
NDSC Members
The North Dakota Safety Council’s ability to offer numerous safety services is due to the generous support of nearly 900 safety conscious companies throughout the region. We are proud to work with these organizations to prevent injuries and save lives in North Dakota. We appreciate the support of each and every one of our members!
The North Dakota Safety Council does not sell membership or conference attendee information to anyone, ever.
Membership data below is updated at the beginning of every month
Dakine Services LLC Dba All Pest Control
PWS Construction
Sawyer Public School
Technology Applications Group, Inc.
Acme Tools
Acrotech Services, Inc
Airgas Specialty Products
Alimak Group USA Inc
American Crystal Sugar – Crookston
American Crystal Sugar – Drayton
American Crystal Sugar – East Grand Forks
American Crystal Sugar – Hillsboro
American Crystal Sugar – Moorhead
American Well Services Inc
Associated Builders & Contractors of MN/ND
B & G Oilfield Services
Badlands Aggregate
Bakken Transload
Basin Electric- Bismarck
Basin Electric Power Co-op – AVS
Basin Electric Power Co-op – DFS
Basin Electric Power Co-op – Laramie River
Basin Electric Power Co-op – Leland Olds – Stanton
Basin Electric Power Co-op – Menoken
Basin Electric Power Co-op – Spirit Mound Station
Belfield Public Schools
Burleigh County
C L Smith Industrial
Cass County Electric Cooperative
Central Valley Bean Co-Op
Centric Elevator Corporation
City of West Fargo
Consolidated Telcom
Cypress Rail Solutions, LLC
Dacotah West Crane Service Inc.
Dakota Fence Company
Devils Lake Public Schools
Dickinson Ready Mix
DMVWRR
Double EE Service, Inc.
EasTex Tower Inc
Ellingson Companies
Enbridge Pipelines LLC
Energy Tech Systems, Inc.
Environmental Plant Services, Inc
Expanse Electrical Company, LLC
FB Timberline Construction
Fessenden-Bowdon Public School
Fisher Industries
Food Management Investors
General Security Services
Goodnight Midstream
GTUIT
Harlow’s School Bus Service
Heitkamp Construction Co Inc.
Heritage Homes
Industrial Builders, Inc.
Innovative Energy Alliance (IEA)
Interstate Companies Inc (Interstate Power Systems
KAYD Home Care, LLC
Lamoure County
Loenbro
Magnum Contracting, Inc
Maviro, Inc. dba RMIS
Mayer Truck Line, Inc.
MDM Construction LLC
Metro Area Ambulance Service
MinKo Construction
Minot Automotive Center
Mon-Dak Tank, Inc.
ND DOT – Bismarck District
ND DOT – Central Office
ND DOT – Devils Lake District
ND DOT – Dickinson District
ND DOT – Fargo District
ND DOT – Grand Forks District
ND DOT – Minot District
ND DOT – Valley City District
ND DOT – Williston District
Newkota Services and Rentals
North Plains Utility Contracting LLC
Northwest Contracting, Inc.
Opp Construction Company
PCL Construction
Plains Grain and Agronomy, LLC
Powder River Heating and AC
Precision Underground
Providence Home Care, LLC
Rainbow Energy Center
Red E, LLC
RPT Industries LLC
Skeels Electric
SpartanNash
Sundre Sand & Gravel, Inc.
Swanson & Youngdale, Inc.
Three Affiliated Tribes – Maintenance Department
Tobias Marman Construction L.L.C
Train ND (Williston State College)
TrueNorth Steel
Vadakin, Inc.
Wade Works LLC
Walsh County (Safety Program)
Water Resource Group – Rice Lake Construction
Western Well Service
Winn Construction Inc.
Workforce Safety and Insurance
Yellowstone Environmental Contracting, LLC
| Company Name | Primary Contact City | Primary Contact State |
| 3c Construction | Mandan | ND |
| 413 Mechanical,LLC | Grand Forks | ND |
| A&B Welding & Construction Inc. | Elk River | MN |
| Aaction Movers | Bismarck | ND |
| ABC Fencing & Oil Field Services, LLC | Belfield | ND |
| ABLE, Inc. | Dickinson | ND |
| ABM – Advanced Business Methods | Bismarck | ND |
| Acme Tools | Grand Forks | ND |
| Acrotech Services, Inc | Bismarck | ND |
| Addison Construction Company | Cheyenne | WY |
| Adolfson and Peterson Construction | Minneapolis | MN |
| Advanced Mechanical | Bismarck | ND |
| Advanced Welding Solutions | Dickinson | ND |
| Agri Industries | Williston | ND |
| Agri-Cover, Inc. | Jamestown | ND |
| AGT Foods | Minot | ND |
| Air Cure Inc | Minneapolis | MN |
| Airgas Specialty Products | South Saint Paul | MN |
| Aldevron | Fargo | ND |
| Alexander Construction Co | Wheatland | WY |
| Alimak Group USA Inc | Webster | TX |
| All Finish Concrete | West Fargo | ND |
| ALLETE Renewable Resources, Inc. | Duluth | MN |
| Alliance Safety Council | Baton Rouge | LA |
| Allied Agronomy | Edgeley | ND |
| Allied Valve, Inc. | Appleton | WI |
| Altru Health Systems | Grand Forks | ND |
| Amber Waves Inc | Richardton | ND |
| American Crystal Sugar – Crookston | Crookston | MN |
| American Crystal Sugar – Drayton | Drayton | ND |
| American Crystal Sugar – East Grand Forks | East Grand Forks | MN |
| American Crystal Sugar – Hillsboro | Hillsboro | ND |
| American Crystal Sugar – Moorhead | Moorhead | MN |
| American Engineering Testing | Williston | ND |
| American Well Services Inc | Tioga | ND |
| Ames Construction | Burnsville | MN |
| Amrize | Bismarck | ND |
| Analytic Stress Relieving, Inc. | Lafayette | LA |
| Anchor Ingredients | West Fargo | ND |
| Anderson Steel Erection & Crane | Grand Forks | ND |
| Anderson Western, Inc. | Bismarck | ND |
| Anytime Hydro Excavation | Alexander | ND |
| Apache Industrial Services | Mandan | ND |
| Apex Engineering Group, Inc. | Fargo | ND |
| API Construction Company | Saint Paul | MN |
| Applied Control Equipment LLLP | Denver | CO |
| Ardent Services | Alexander | ND |
| Arthur Companies | Arthur | ND |
| ASN Constructors | Fargo | ND |
| Associated Builders & Contractors of MN/ND | Eden Prairie | MN |
| Associated General Contractors of ND | Bismarck | ND |
| Atlas Foundation Company | Osseo | MN |
| Azco, Inc. | Appleton | WI |
| B & G Oilfield Services | Williston | ND |
| Babcock & Wilcox | Akron | OH |
| Badlands Aggregate | Starbuck | MN |
| Baker Boy Bake Shop, Inc. | Dickinson | ND |
| Baker Consulting | Mandaree | ND |
| Bakken Transload | Ross | ND |
| Baptist Health Care Center | Bismarck | ND |
| Baranko Brothers, Inc. | Dickinson | ND |
| Barmoen Integrity Services, Inc. | Beulah | ND |
| Barnes County North School | Wimbledon | ND |
| Barnhart Crane and Rigging | Mandan | ND |
| Barr Engineering Company | Minneapolis | MN |
| Bartlett & West, Inc | Topeka | KS |
| Basaraba Excavating & Dirt Works LLC | Wilton | ND |
| Baseload Power Generation Parts & Services, LLC | Corpus Christi | TX |
| Basin Electric- Bismarck | Bismarck | ND |
| Basin Electric Power Co-op – AVS | Beulah | ND |
| Basin Electric Power Co-op – DFS | Gillette | WY |
| Basin Electric Power Co-op – Laramie River | Wheatland | WY |
| Basin Electric Power Co-op – Leland Olds – Stanton | Stanton | ND |
| Basin Electric Power Co-op – Menoken | Menoken | ND |
| Basin Electric Power Co-op – Spirit Mound Station | Vermillion | SD |
| Basin Safety | Williston | ND |
| BDT Mechanical | Fargo | ND |
| BEK Consulting | Dickinson | ND |
| Belcourt School District #7 | Belcourt | ND |
| Belfield Public Schools | Belfield | ND |
| Benson County | Minnewaukan | ND |
| Benz Oil Co | Killdeer | ND |
| Bergstrom Electric, Inc. | Grand Forks | ND |
| Beverage Wholesalers | Fargo | ND |
| Bismarck Parks & Recreation | Bismarck | ND |
| Bismarck State College | Bismarck | ND |
| Bismarck Transition Center | Bismarck | ND |
| Bismarck-Mandan Security, Inc | Bismarck | ND |
| Bituminous Paving Inc. | Ortonville | MN |
| BNC National Bank | Bismarck | ND |
| BNI Coal LTD | Bismarck | ND |
| Bobcat | Gwinner | ND |
| Bob’s Oilfield Service | Belfield | ND |
| Border Construction LLC | Fargo | ND |
| Border States Electric | Alexandria | MN |
| Border States Paving | Fargo | ND |
| Borsheim Crane | West Fargo | ND |
| Bosch Lumber | Dickinson | ND |
| Bottineau Public School District | Bottineau | ND |
| Bourgault Industries | Minot | ND |
| Bowers Excavating LLC | Mandan | ND |
| Brady, Martz & Associates | Bismarck | ND |
| Branick Industries, Inc. | Fargo | ND |
| Braun Electric | Minot | ND |
| Braun Intertec Corporation | Minneapolis | MN |
| Braun Trucking, Inc | Tioga | ND |
| Bravera | Dickinson | ND |
| Brian J Roehrich Construction | Dazey | ND |
| Bridger Pipeline LLC | Belfield | ND |
| Brinderson | Compton | CA |
| Brink Constructors, Inc | Rapid City | SD |
| Brock Services LLC | Fort Collins | CO |
| Bryan Construction | Colorado Springs | CO |
| Burleigh County | Bismarck | ND |
| Busy Bee’s Hot Oil. Inc | Williston | ND |
| Butler Machinery Company – Fargo | Fargo | ND |
| C & D Energy Services, Inc dba Colorado Scaffoldin | Commerce City | CO |
| C & H Glass | Bismarck | ND |
| C L Smith Industrial | Arnold | MO |
| C.L. Linfoot Company | Grand Forks | ND |
| Caliber Midstream | Littleton | CO |
| Camrud-Foss Concrete Const, Inc. | Moorhead | MN |
| Cankdeska Cikana Community College | Fort Totten | ND |
| Capital City Construction | Bismarck | ND |
| Captain Clean | Wahpeton | ND |
| Cargill | West Fargo | ND |
| Carrington School District | Carrington | ND |
| Cascade Drilling | Bothell | WA |
| Cass County Electric Cooperative | Fargo | ND |
| Cass Rural Water District | Kindred | ND |
| Cavendish Farms | Jamestown | ND |
| CEMSource | Wayzata | MN |
| CenDak Coop | Leeds | ND |
| Center-Stanton Public School | Center | ND |
| Central Cass School Dist 17 | Casselton | ND |
| Central Confinement Service LLC | Columbus | NE |
| Central Door & Hardware, Inc. | Fargo | ND |
| Central Machining & Pump Repair | Minot | ND |
| Central Mechanical, Inc. | Mandan | ND |
| Central Power Electric Coop | Minot | ND |
| Central Specialties, Inc | Alexandria | MN |
| Central Trenching Incorporated | Minot | ND |
| Central Valley Bean Co-Op | Buxton | ND |
| Central West Services | Mandan | ND |
| Centric Elevator Corporation | Denver | CO |
| CF Industries Distribution Facilities LLC – GF | Grand Forks | ND |
| CF Industries Distribution Facilities LLC – Velva | Grand Forks | ND |
| CHI St. Alexius | Bismarck | ND |
| Chiller Systems Inc | Fargo | ND |
| CHS Pipeline Terminals | Laurel | MT |
| Cintas Corporation | Osseo | MN |
| Circle Sanitation | Minot | ND |
| Cirrus Aircraft | Grand Forks | ND |
| City Air Mechanical | Bismarck | ND |
| City of Bismarck Public Works | Bismarck | ND |
| City of Bismarck-Human Resources | Bismarck | ND |
| City of Dickinson | Dickinson | ND |
| City of Fargo – Human Resources | Fargo | ND |
| City of Grafton-Municipal Utilities | Grafton | ND |
| City of Grand Forks | Grand Forks | ND |
| City of Hazen | Hazen | ND |
| City of Mandan | Mandan | ND |
| City of Minot | Minot | ND |
| City of Watford City | Watford City | ND |
| City of West Fargo | West Fargo | ND |
| City of Williston- Public Works | Williston | ND |
| Clean Air Engineering | Palatine | IL |
| Clean Harbors Environmental Services | Saint Paul | MN |
| Close Construction Company | Milton | ND |
| Cloverdale Foods | Mandan | ND |
| CNH Industrial | Fargo | ND |
| Coal Creek Construction | Underwood | ND |
| Coatings Unlimited, Inc | Bridgeton | MO |
| Coffman Engineers | Bozeman | MT |
| Cole Papers Inc | Fargo | ND |
| COLT Services LLC | Pasadena | TX |
| Colter Energy | Minot | ND |
| ComDel Innovation | Wahpeton | ND |
| Community Action – Bismarck | Bismarck | ND |
| Community Action Partnership – Minot | Minot | ND |
| Community Contractors, Inc | Grand Forks | ND |
| Complete Concrete, Inc. | Rapid City | SD |
| Comstock Construction | Wahpeton | ND |
| Conco Services | Verona | PA |
| Connole & Somerville Plumbing Heating & AC Inc | Minot | ND |
| Consolidated Construction | Appleton | WI |
| Consolidated Telcom | Dickinson | ND |
| Construction Engineers, Inc. | Grand Forks | ND |
| Continental Metal Products | Minot | ND |
| Continental Resources, Inc. | Baker | MT |
| Core Services Inc. | Williston | ND |
| Corval Group/Corval Constructors | Beulah | ND |
| Coteau Properties Company (NA Coal) | Beulah | ND |
| Cottingham Insurance Agency DDC Inc | Underwood | ND |
| Craft Builders, Inc. | Minot | ND |
| Cranes Conveyor & Storage Systems | Fargo | ND |
| Crary Industries | West Fargo | ND |
| Creative Wood Designs | Bismarck | ND |
| Creedence Energy Services | Williston | ND |
| Creek Energy Services, LLC | Bismarck | ND |
| CrossCountry Freight Solutions | Bismarck | ND |
| Cummins Inc. | Minot | ND |
| Cust-O-Fab Specialty Services | Sand Springs | OK |
| Custom Aire, Inc. | Grand Forks | ND |
| Cypress Rail Solutions, LLC | Grand Forks | ND |
| D & E Supply Co. | Bismarck | ND |
| Dacotah West Crane Service Inc. | Williston | ND |
| Dakine Services LLC Dba All Pest Control | Mobridge | SD |
| Dakota Caulking, Inc | Mandan | ND |
| Dakota Dry Bean, LLC | Grand Forks | ND |
| Dakota Fence Company | Fargo | ND |
| Dakota Fire Extinguisher | Minot | ND |
| Dakota Gasification Company (DGC) | Beulah | ND |
| Dakota Growers Pasta Company | Carrington | ND |
| Dakota Medical Foundation | Fargo | ND |
| Dakota Petroleum Services, LLC | Killdeer | ND |
| Dakota Prairie Grasslands (USFS) | Bismarck | ND |
| Dakota Staffing Solutions | Bismarck | ND |
| Dakota Supply Group | Bismarck | ND |
| Dakota Underground Company | Fargo | ND |
| Dakota Zoo | Bismarck | ND |
| Dakotas JATC (Dakotas & Western Minnesota Electric | Fargo | ND |
| Dean’s Bulk Service, Inc | Barnesville | MN |
| DEI LLC – Dennys Electric/Extreme Underground LLC | Dickinson | ND |
| Dell-Comm, Inc. | Bismarck | ND |
| Delta Waterfowl Foundation | Bismarck | ND |
| Devils Lake Public Schools | Devils Lake | ND |
| Devon Energy | Killdeer | ND |
| Diamond B Technology Solutions | Billings | MT |
| Dickinson Ready Mix | Dickinson | ND |
| Dicks Vacuum Service | Bismarck | ND |
| DigiKey | Fargo | ND |
| Ditch Witch of North Dakota | Mandan | ND |
| DMVWRR | Bismarck | ND |
| DMVWRR LLC dba CJ Crane Service | Bismarck | ND |
| DNOW | Williston | ND |
| Doerfer Field Services | Waverly | IA |
| Double EE Service, Inc. | Williston | ND |
| Dowco Valve Co Inc. | Hastings | MN |
| Drug Plastics & Glass Company | Valley City | ND |
| Dryland Enterprises LLC | Belfield | ND |
| DS Safety Consulting | Bismarck | ND |
| Dunseith Day School | Dunseith | ND |
| Dunseith Public School | Dunseith | ND |
| Dynamic Sawing & Coring, LLC | Burlington | ND |
| Dynamic Well Service | Williston | ND |
| E & J Rebar, Inc. | Anoka | MN |
| E & M Services LLC | Watford City | ND |
| EAPC Architects Engineers | Grand Forks | ND |
| Earth Systems | Bismarck | ND |
| Earth Work Solutions | Gillette | WY |
| Earthwork Services, Inc. | West Fargo | ND |
| EasTex Tower Inc | Colorado Springs | CO |
| ECCS Training | Bismarck | ND |
| Eco Material Technologies Inc. | Underwood | ND |
| Edling Electric, Inc | Bismarck | ND |
| Edward H. Schwartz Construction | New England | ND |
| Eid-Co Buildings, Inc. | Fargo | ND |
| Electrical Services | Bismarck | ND |
| Electrical Technologies & Supply, Inc | Golden | CO |
| Elgin/New Leipzig Public School | Elgin | ND |
| Elite Refractory, LLC | Waxahachie | TX |
| Elkan Energy Services | Watford City | ND |
| Ellendale Public School | Ellendale | ND |
| Ellingson Companies | West Concord | MN |
| Enbridge Pipelines LLC | Minot | ND |
| Enderlin High School | Enderlin | ND |
| Endless Tubing, LLP | Bismarck | ND |
| Energy Tech Systems, Inc. | Bismarck | ND |
| Engineered Pump Services, Inc. | Mukwonago | WI |
| Environmental Plant Services, Inc | Saint Paul | MN |
| Envision | Rugby | ND |
| Erosion Control Applications, Inc. | Anaheim | CA |
| Essentia Health | Fargo | ND |
| Ethica Solutions LLC | Glenburn | ND |
| Everus Construction Group | Bismarck | ND |
| Evolution Completions, Inc | Williston | ND |
| Excavating, Inc. | Minot | ND |
| Excavating, Inc. – Fargo | West Fargo | ND |
| Expanse Electrical Company, LLC | Houston | TX |
| Extreme Cleaning Inc | Mandan | ND |
| Falkirk Mining Company | Underwood | ND |
| Farden Construction | Maxbass | ND |
| Fargo Freightliner | Fargo | ND |
| Fargo Glass & Paint | Fargo | ND |
| Fargo Jet Center | Fargo | ND |
| Fargo Parks & Recreation | Fargo | ND |
| Farmers Union Oil Company of Kenmare | Kenmare | ND |
| Farmers Union Oil Company of Westhope/Souris/Botti | Westhope | ND |
| Farmers Union Oil of Southern Valley | Fairmount | ND |
| Fastenal | Bismarck | ND |
| FB Timberline Construction | Rapid City | SD |
| FCI Constructors, Inc | Grand Junction | CO |
| Fessenden-Bowdon Public School | Fessenden | ND |
| Finley Farmers Grain & Elevator Co. | Finley | ND |
| First International Bank & Trust | Minot | ND |
| First State Insurance of Cando | Cando | ND |
| Fisher Industries | Dickinson | ND |
| FL Smidth Inc | Sioux City | IA |
| Fladeland Mechanical, Inc. | Bismarck | ND |
| Flasher Public Schools District #39 | Flasher | ND |
| Flickertail Paving & Supply | Cavalier | ND |
| Flow Tech Fueling | Moorcroft | WY |
| Food Management Investors | Minot | ND |
| Foremost Well Service | Dickinson | ND |
| Forks Lath and Plaster, Inc. | Emerado | ND |
| Fort Berthold Rural Water | New Town | ND |
| Four Winds Elementary | Fort Totten | ND |
| Freedom Oilfield Services | Reliance | WY |
| Front Street Millwork & Lumber | Bismarck | ND |
| Ft. Berthold Services, LLC | Killdeer | ND |
| Fuchs North America | Grand Forks | ND |
| Gagnon, Inc | Saint Paul | MN |
| GammaTech Industrial, LLC | Houston | TX |
| Garon Corporation | Thompson | ND |
| Garrett Brothers Construction | Stanton | ND |
| Garrison Diversion Conservancy Dist. | Carrington | ND |
| Gateway Building Systems Inc | West Fargo | ND |
| GEA Systems North America LLC | Pasadena | TX |
| Gehrtz Construction Services | Fargo | ND |
| General Equipment & Supplies | Fargo | ND |
| General Security Services | Saint Cloud | MN |
| Geostock Sandia | Houston | TX |
| Gerace Construction | Midland | MI |
| Gevo | Richardton | ND |
| GMHR | Dickinson | ND |
| GO Wireline LLC | Williston | ND |
| Good Samaritan Hospital Association | Rugby | ND |
| Good Samaritan Society Oakes | Oakes | ND |
| Goodnight Midstream | Dallas | TX |
| GPK Products, Inc | Fargo | ND |
| Grace Consulting | Wellington | OH |
| Grand Forks Park District | Grand Forks | ND |
| Grand Forks Public Schools | Grand Forks | ND |
| Grand Forks Regional Airport Authority | Grand Forks | ND |
| Grand Forks Welding & Machine | Grand Forks | ND |
| Gratech Company, LLC | Berthold | ND |
| Great Plains Technical Services | Mandan | ND |
| Great River Energy of North Dakota | Spiritwood | ND |
| Green Food 2 Go, Inc. | Bismarck | ND |
| Groome Industrial Services, LLC | Denville | NJ |
| Grotberg Electric | Valley City | ND |
| GTUIT | Billings | MT |
| GW & Sons Construction, Inc. | Grand Forks | ND |
| H A Thompson & Sons | Bismarck | ND |
| Hall Trucking Inc | Belfield | ND |
| Hams Well Service | Westhope | ND |
| Harlow’s School Bus Service | Bismarck | ND |
| Harvestone Low Carbon Partners | Underwood | ND |
| Harvey Public Schools | Harvey | ND |
| Hazelton-Moffit-Braddock Public School | Hazelton | ND |
| Hebron Brick Supply | West Fargo | ND |
| Hefty Seed Mohall | Mohall | ND |
| Heitkamp Construction Co Inc. | Wahpeton | ND |
| Helicor, LLC. | Weatherford | OK |
| Heritage Homes | Fargo | ND |
| High Voltage Inc | Vernal | UT |
| Highlands Engineering & Surveying | Dickinson | ND |
| Hight Construction | Minot | ND |
| Hill Top Home of Comfort | Killdeer | ND |
| Hillerud Construction, Inc. | Jamestown | ND |
| HireQuest Direct | Bismarck | ND |
| HIT, Inc. | Mandan | ND |
| Hladky Construction Inc | Gillette | WY |
| Hlebechuk Construction, Inc. | Belfield | ND |
| Holloman Corporation | Williston | ND |
| Holm Construction, Inc | Minot | ND |
| Home on The Range | Sentinel Butte | ND |
| Horizon Resources | Williston | ND |
| Hoss Rentals Inc. | Watford City | ND |
| HPC Industrial Services LLC | Deer Park | TX |
| Hurley Enterprises Inc | Fairview | MT |
| Hydratight | Red Wing | MN |
| Hydrohotshots | Beulah | ND |
| ICS, Inc. | Grand Forks | ND |
| Image Printing Inc | Bismarck | ND |
| Impact Dakota | Bismarck | ND |
| InDemand Industrial Services, LLC | Bismarck | ND |
| Indoor Services, Inc. | Bismarck | ND |
| Industrial Builders, Inc. | Fargo | ND |
| Industrial Contractors, Inc. | Bismarck | ND |
| Industrial Lubricant Company | Washburn | ND |
| Industrial Service Solutions LLC | Seattle | WA |
| Industrial Thermal Services, LLC | Baytown | TX |
| Innovative Energy Alliance (IEA) | Bismarck | ND |
| Integrated Global Services | Richmond | VA |
| Integrity Windows & Doors | West Fargo | ND |
| Interiors by Design | Bismarck | ND |
| International Cooling Tower USA, Inc. | Deer Park | TX |
| Interstate Companies Inc (Interstate Power Systems | Saint Paul | MN |
| Interstate Engineering Inc. | Jamestown | ND |
| Ion Field Services, LLC | Dickinson | ND |
| IRISNDT, Inc. | Bismarck | ND |
| Iron & Oak Design | Bismarck | ND |
| IronWorks Welding, Inc | Dickinson | ND |
| Iseler Demolition Inc | Port Hope | MI |
| ITC Electrical Technologies | Mills | WY |
| IXOM Watercare | Dickinson | ND |
| J2ML Industrial Inc | Gillette | WY |
| James Oilwell Services | Dickinson | ND |
| James River Correctional Center | Jamestown | ND |
| Jamestown Parks & Recreation Department | Jamestown | ND |
| JDI Contracts | Grand Rapids | MN |
| JDP Electric, Inc. | Fargo | ND |
| Jensen Brothers Construction | Fargo | ND |
| Jerry’s Services, Inc. | Williston | ND |
| Jessen Roofing Inc. | Minot | ND |
| Jessup Diesel Inc. | Beresford | SD |
| JK Lube, Inc, DBA Jiffy Lube | Fargo | ND |
| JMAC Resources | Williston | ND |
| Job Erection & Engineering, Inc. | Gwinner | ND |
| John Deere Intelligent Solutions Group | Fargo | ND |
| John Deere Seeding Group | Valley City | ND |
| Johnson Controls, Inc. | Fargo | ND |
| Johnson’s Wrecking | Mandan | ND |
| JR Simplot Company – ND | Grand Forks | ND |
| JT Lawn Services & Landscaping Inc. | Moorhead | MN |
| Kaelberer Construction | Mandan | ND |
| Kalix | Minot | ND |
| KAYD Home Care, LLC | Mandan | ND |
| Keller Paving & Landscaping, Inc | Minot | ND |
| KEM Electric Cooperative | Linton | ND |
| Kemper Construction | Minot | ND |
| Kidder County Public School District | Steele | ND |
| Kind Staffing DBA Star Bright Professional Cleanin | Bismarck | ND |
| KLJ Engineering LLC | Bismarck | ND |
| Knife River Corp – ND Division | Bismarck | ND |
| Knife River Materials-NMN | Bemidji | MN |
| KO Safety Services LLC | Williston | ND |
| Koch Specialty Plant Services, Inc | Houston | TX |
| Kolling & Kolling, Inc. | Dickinson | ND |
| Konecranes, Inc. | Bismarck | ND |
| KPH, Inc. | Fargo | ND |
| Kraus-Anderson Construction Company | Bismarck | ND |
| Kringstad Ironworks | Park River | ND |
| KS Industries, LLC | Tioga | ND |
| Kustom Machine, Inc. | Oakes | ND |
| L & S Electric Inc | Minneapolis | MN |
| Labor Masters | Fargo | ND |
| Lake View Services, LLC | Beulah | ND |
| Lamoure County | Lamoure | ND |
| Landwehr Construction | Saint Cloud | MN |
| Langdon High School | Langdon | ND |
| Leading Edge Equipment | Michigan | ND |
| Legacy Cooperative | Bisbee | ND |
| Leonardite Products | Williston | ND |
| Levi Braach Trucking Inc | Minot | ND |
| Liberty Lift Solutions | Williston | ND |
| Lignite Energy Council | Williston | ND |
| Linton Public School | Linton | ND |
| LiquidMetal Coating Solutions, LLC | Chattanooga | TN |
| Local 512 | Bismarck | ND |
| Lochend Energy Services Inc | Williston | ND |
| Loenbro | Black Eagle | MT |
| Lunseth Plumbing & Heating Co. | Grand Forks | ND |
| Luther Memorial Home | Mayville | ND |
| M J Dalsin Company, Inc. | West Fargo | ND |
| M J Electric LLC – Industrial | Iron Mountain | MI |
| M J Electric, LLC | Iron Mountain | MI |
| Mactech Onsite | Red Wing | MN |
| Maertens-Brenny Construction Co. | Minneapolis | MN |
| Magnum Contracting, Inc | Fargo | ND |
| Magnum Electric Inc | West Fargo | ND |
| Maintenance Plus, Inc. | Minot | ND |
| Mann Enterprises LLC | Bismarck | ND |
| MAP General Mechanical Contractors, Inc. | Sanford | MI |
| Marathon North Dakota Refineries | Mandan | ND |
| Mark’s Heating & Cooling, Inc. | Mandan | ND |
| Martin Construction, Inc. | Dickinson | ND |
| Marvin | Grafton | ND |
| Marvin Composites | Fargo | ND |
| Master Construction Co. Inc. | Fargo | ND |
| Maviro Catalyst Inc. | Deer Park | TX |
| Maviro, Inc. dba RMIS | Deer Park | TX |
| Mayer Truck Line, Inc. | Jamestown | ND |
| Mayo Construction Co. | Cavalier | ND |
| May-Port CG School District | Mayville | ND |
| McCody Concrete Products, Inc. | Williston | ND |
| McGough Construction | Saint Paul | MN |
| McKenzie County Emergency Management | Watford City | ND |
| McKenzie Electric Cooperative | Watford City | ND |
| McLean County | Washburn | ND |
| McQuade Distributing Company | Bismarck | ND |
| MDM Construction LLC | West Fargo | ND |
| Mechanical Dynamics & Analysis, Ltd | Latham | NY |
| Metro Area Ambulance Service | Mandan | ND |
| Metropolitan Mechanical Contractors | Eden Prairie | MN |
| Meyer Contracting Inc. | Osseo | MN |
| MHA Emergency Operations Center | New Town | ND |
| Mid-America Aerotech, LLC | West Fargo | ND |
| Mid-America Steel, Inc. | Fargo | ND |
| Midco Diving & Marine Services, Inc. | Rapid City | SD |
| Midland Garage Door Mfg | Fargo | ND |
| Midway Machining | Mandan | ND |
| Midwest Steeplejacks, Inc. | Arthur | ND |
| Midwest Turbine Inspection, Inc. | Claremore | OK |
| Miller Insulation | Bismarck | ND |
| MinKo Construction | Moorhead | MN |
| Minn-Dak Farmers Co-op | Wahpeton | ND |
| Minnesota Valley Testing Lab – MVTL | Bismarck | ND |
| Minnkota Power Cooperative | Grand Forks | ND |
| Minot Automotive Center | Minot | ND |
| Minot Milling | Minot | ND |
| Minot Park District | Minot | ND |
| Minot Plumbing & Heating | Minot | ND |
| Minot Public Schools-Drivers Ed. | Minot | ND |
| Missouri River Contracting | Bismarck | ND |
| Missouri Slope Lutheran Care Center | Bismarck | ND |
| Missouri West Water System | Mandan | ND |
| MMI Excavation | Bismarck | ND |
| Modern Auto Body, Inc. | Grand Forks | ND |
| Mohl Drilling, Inc. | Beulah | ND |
| Mon-Dak Tank, Inc. | Williston | ND |
| Mongoose Trucking & Hot Shot | Parshall | ND |
| Montana Dakota Utilities Co. | Bismarck | ND |
| Moorhead Area Public Schools | Moorhead | MN |
| Mor-Gran-Sou (MGS) Electric Cooperative | Mandan | ND |
| Mountain States Environmental Services | Billings | MT |
| Mowbray & Son Inc DBA M&S Sheet Metal | Minot | ND |
| Mudd Worx Drywall Finishing, Inc | Bismarck | ND |
| N.B. Harty General Contractors, Inc | Dexter | MO |
| Naastad Brothers, Inc. | Hatton | ND |
| Nabors Drilling Technologies, USA, Inc. | Houston | TX |
| National Conductor Constructors LLC | Brainerd | MN |
| National Tower Controls DBA Anco Wireless | Hartford | SD |
| ND Assoc. of Rural Electric Co-ops | Mandan | ND |
| ND Association of Counties | Bismarck | ND |
| ND Department of Corrections | Bismarck | ND |
| ND Department of Water Resources | Bismarck | ND |
| ND DOT – Bismarck District | Bismarck | ND |
| ND DOT – Central Office | Bismarck | ND |
| ND DOT – Devils Lake District | Devils Lake | ND |
| ND DOT – Dickinson District | Dickinson | ND |
| ND DOT – Fargo District | Fargo | ND |
| ND DOT – Grand Forks District | Grand Forks | ND |
| ND DOT – Minot District | Minot | ND |
| ND DOT – Valley City District | Valley City | ND |
| ND DOT – Williston District | Williston | ND |
| ND Information Technology | Bismarck | ND |
| ND Insurance Reserve Fund | Bismarck | ND |
| ND Petroleum Marketers Association | Bismarck | ND |
| ND Small Organized Schools | Bismarck | ND |
| ND State Electrical Board | Bismarck | ND |
| ND Telephone Company | Devils Lake | ND |
| Neset Consulting Service | Tioga | ND |
| Network Center Technologies | West Fargo | ND |
| Neundorfer, Inc. | Willoughby | OH |
| New England Public School | New England | ND |
| New Rockford Sheyenne School District | New Rockford | ND |
| New Salem Almont Public School | New Salem | ND |
| New Town Public School District | New Town | ND |
| Newkota Services and Rentals | Minot | ND |
| Newman Signs, Inc. | Jamestown | ND |
| NewVision Security, LLC | Bismarck | ND |
| Noble Casing Inc | Williston | ND |
| Nodak Electric Cooperative | Grand Forks | ND |
| Nooter Construction Company | Saint Louis | MO |
| Norb Olind Construction | Wheatland | WY |
| North Central International | Bismarck | ND |
| North Country Oil | Parshall | ND |
| North Dakota Department of Health and Human Servic | Bismarck | ND |
| North Dakota Parks and Recreation | Bismarck | ND |
| North Dakota Petroleum Council | Bismarck | ND |
| North Dakota Safety Council | Bismarck | ND |
| North Dakota Soybean Processors | Casselton | ND |
| North Dakota’s Gateway to Science | Bismarck | ND |
| North Plains Utility Contracting LLC | Devils Lake | ND |
| North Prairie Rural Water District | Minot | ND |
| North Sargent Public Schools | Gwinner | ND |
| North Sky Construction | Grand Forks | ND |
| Northern Bottling Company | Minot | ND |
| Northern Coatings, Inc. | Bismarck | ND |
| Northern Crane & Rail Services | Bismarck | ND |
| Northern Dewatering Inc | Rogers | MN |
| Northern Horizons Solway Inc. | Solway | MN |
| Northern Improvement Company | Fargo | ND |
| Northern Plains Heating and Air | Bismarck | ND |
| Northern Plains Railroad, Inc. | Fordville | ND |
| Northern Plains Steel | Carter Lake | IA |
| Northern Valley Electrical Service | Williston | ND |
| Northland Truss Systems, Inc. | Fargo | ND |
| Northridge Construction, Inc | Grand Forks | ND |
| NorthStar Safety, Inc. | West Fargo | ND |
| Northwest Communications Co-op | Ray | ND |
| Northwest Contracting, Inc. | Bismarck | ND |
| Novaspect | Schaumburg | IL |
| Nutrien Ag Solutions | Mapleton | ND |
| Oilfield Specialty Partners LLC | Early | TX |
| Oilfield Support Services | New Town | ND |
| OK Tire, Inc | Fargo | ND |
| Olaf Anderson Construction | Fargo | ND |
| ONEOK Rockies Midstream LLC | Sidney | MT |
| Opatril Concrete Construction Inc. | Moorhead | MN |
| Opp Construction Company | Grand Forks | ND |
| Opportunity Foundation | Stanley | ND |
| Optimum Therapies of North Dakota, Inc | Bismarck | ND |
| Otis Elevator | West Fargo | ND |
| Otter Tail Corporation | Fargo | ND |
| Oxentenko, Inc. | Bismarck | ND |
| Pahlke Steel | Bismarck | ND |
| Paradigm Enterprises, Inc. | Moorhead | MN |
| Park Construction | Grand Forks | ND |
| Pastorek Construction | Grafton | ND |
| PCL Construction | Minneapolis | MN |
| Pennsylvania Perlite Corp | Bethlehem | PA |
| Peterson Farms Seed | Harwood | ND |
| Petro-Hunt, LLC | Williston | ND |
| Philadelphia Macaroni Company | Grand Forks | ND |
| Phoenix Operating LLC | Denver | CO |
| Pingree-Buchanan Public Schools | Pingree | ND |
| PKG Contracting, Inc. | Fargo | ND |
| PLAINS AG | Williston | ND |
| Plains Grain and Agronomy, LLC | Enderlin | ND |
| Plastocor, Inc. | Hingham | MA |
| Poppy’s Promise | Bismarck | ND |
| Post Acute Medical | Fargo | ND |
| Powder River Heating and AC | Gillette | WY |
| Power Product Services, Inc. | Aurora | CO |
| Power Services Company | Greeley | CO |
| Power Source Services Inc. | Craig | CO |
| Powers Lake School District | Powers Lake | ND |
| Prairie Knights Casino & Resort | Fort Yates | ND |
| Prairie Scale Systems Inc. | Horace | ND |
| Precision Machine & Welding | Dickinson | ND |
| Precision Underground | Bismarck | ND |
| Presort Plus LLC | Bismarck | ND |
| Prinsco | Fargo | ND |
| Pro Landscapers | Fargo | ND |
| Pro Safe Services | Williston | ND |
| ProLift Rigging Company, LLC | Dickinson | ND |
| Providence Home Care, LLC | West Fargo | ND |
| PS Garage Doors | Grand Forks | ND |
| PS Industries Inc | Grand Forks | ND |
| PSV Enterprises | Horace | ND |
| Puklich Chevrolet, Inc. | Bismarck | ND |
| Pump Systems LLC | Dickinson | ND |
| PWS Construction | Minneapolis | MN |
| Pye Barker Fire Equipment of ND | Fargo | ND |
| Quality Mat Company of ND, LLC | Beaumont | TX |
| R J Zavoral & Sons, Inc. | East Grand Forks | MN |
| Rain for Rent | Minot | ND |
| Rainbow Energy Center | Underwood | ND |
| Rainbow Inc. | Minneapolis | MN |
| Ranger Energy Services | Williston | ND |
| Rapid Fire Protection Inc | Rapid City | SD |
| Reach Right LLC | Fargo | ND |
| Red E, LLC | Fargo | ND |
| Red River Commodities | Fargo | ND |
| Red River Valley & Western Railroad Company | Breckenridge | MN |
| Refcon Specialist Group LLC | Tomball | TX |
| Renville County | Mohall | ND |
| Retrax Holdings, LLC | Grand Forks | ND |
| Richardton Health Center | Richardton | ND |
| Richardton Taylor School | Richardton | ND |
| Right Choice Electric Inc | Grand Forks | ND |
| Robert Gibb & Sons, Inc. | Fargo | ND |
| ROBINSON GRINDING & PROFILING, LLC | Gillette | WY |
| Rock Solid Express | Dickinson | ND |
| Roco Rescue | Baton Rouge | LA |
| Roers | Fargo | ND |
| Rolac Contracting, Inc. | Minot | ND |
| Rolette Public School | Rolette | ND |
| Rossco Crane & Rigging, Inc. | Minot | ND |
| Rough Rider Industries | Bismarck | ND |
| Roughrider Electric Coop | Hazen | ND |
| RPS Composites | North Salt Lake | UT |
| RPT Industries LLC | Bismarck | ND |
| RTC Networks | Parshall | ND |
| RTS Shearing LLC | Jamestown | ND |
| Ruach Resources, LLC | Tioga | ND |
| Rud Oil Company | Center | ND |
| Rugby Manufacturing Company | Rugby | ND |
| Rugby Public School Dist #5 | Rugby | ND |
| RV Enterprises | Balfour | ND |
| Ryan Family Dealerships | Minot | ND |
| Sabin Metal West Corp | Williston | ND |
| Safety Works | Dickinson | ND |
| Sands Wall Systems Inc. | Sioux Falls | SD |
| Sanford Health – Bismarck | Bismarck | ND |
| Sanford Health OCCMED | Bismarck | ND |
| Sanford Medical Center Fargo | Fargo | ND |
| Saulsbury Industries | Bismarck | ND |
| Savanna Well Servicing | Dickinson | ND |
| Sawyer Public School | Sawyer | ND |
| Scheresky Ag Service, Inc. | Max | ND |
| Scherr’s Cabinet & Doors, Inc. | Minot | ND |
| Scott’s Electric, Inc. | Wahpeton | ND |
| Scranton Equity Exchange | Scranton | ND |
| Secure Waste Infrastructure Corp. | Williston | ND |
| Select Water Solutions | Watford City | ND |
| Selfridge Public School | Selfridge | ND |
| Selina’s Rebar LLC | Horace | ND |
| Semtech | Colorado Springs | CO |
| SENDCAA Head Start | Fargo | ND |
| Sideworx Connect US | Williston | ND |
| Sioux Falls Tower and Communications | Sioux Falls | SD |
| Sioux Manufacturing Corporation | Fort Totten | ND |
| SiteWorx Excavation & Development Co. | Bismarck | ND |
| Sitting Bull College | Fort Yates | ND |
| Skeels Electric | Bismarck | ND |
| Skinner Roofing | Grand Forks | ND |
| SLB | Dickinson | ND |
| Slope Electric Cooperative | New England | ND |
| SLS West, Inc. | Gillette | WY |
| SMP Health-St. Aloisius | Harvey | ND |
| Smurfit Westrock | Fargo | ND |
| Solen School District | Solen | ND |
| Son Oilfield Services LLC | Watford City | ND |
| Sonus Consulting LLC | Houston | TX |
| Souris Basin Transportation | Minot | ND |
| Souris Valley Care Center | Velva | ND |
| South Central Regional Water District | Bismarck | ND |
| South East Education Cooperative | Fargo | ND |
| Southern Environmental and Southern Erectors, Inc | Pensacola | FL |
| Southwest Healthcare Services | Bowman | ND |
| Southwest Water Authority | Dickinson | ND |
| Spartan Alert | Williston | ND |
| SpartanNash | Fargo | ND |
| Spectrum Industries Rental LLP | Minot | ND |
| Spiffy Biffs | Bismarck | ND |
| Spirit Lake Casino & Resort | Saint Michael | ND |
| SRT Communications, Inc. | Minot | ND |
| St John Public School | Saint John | ND |
| Stanley Community School | Stanley | ND |
| Starion Bank | Bismarck | ND |
| Steel Energy Services | Williston | ND |
| Steele County | Finley | ND |
| Steffes Solutions LLC | Dickinson | ND |
| Stein Construction, Inc | Minot | ND |
| Stelter Repair, Inc. | New Leipzig | ND |
| Stone Ridge Contracting, LLC. | Pocatello | ID |
| Stoneham Drilling | Denver | CO |
| Straightway Construction, Inc | Bismarck | ND |
| Strasburg Public School | Strasburg | ND |
| Streamline Water Services, LLC | Watford City | ND |
| Stress Engineering Services | Houston | TX |
| Structures, Inc. | Grand Forks | ND |
| Stueve Construction LLC | Algona | IA |
| Stutsman County | Jamestown | ND |
| Sulzer Tower Field Service (US) Inc. | Humble | TX |
| Sulzer Turbo Services | Belle Chasse | LA |
| Summers Manufacturing Company | Devils Lake | ND |
| Summit Midstream | Houston | TX |
| Sun Electric | Fargo | ND |
| Sund Manufacturing | Newburg | ND |
| Sundre Sand & Gravel, Inc. | Minot | ND |
| Superheat FGH Services, Inc. | New Lenox | IL |
| Superior Contracting LLC | Wheatland | WY |
| Superior Electric of Fargo, LLC | Fargo | ND |
| Superior Insulation LLC | Bismarck | ND |
| Susag Sand & Gravel, Inc. | Harvey | ND |
| Swanberg Construction, Inc. | Valley City | ND |
| Swanson & Youngdale, Inc. | Minneapolis | MN |
| Swingen Construction Co | Grand Forks | ND |
| T & T Transport | Crosby | ND |
| T F Powers Construction Company | Fargo | ND |
| T.C. Edwards | Wheatland | WY |
| Targa Resources | Watford City | ND |
| TDW (US), Inc. | Salt Lake City | UT |
| Team Industrial Services, Inc. | South Saint Paul | MN |
| Technology Applications Group, Inc. | Grand Forks | ND |
| Tecta America Dakotas, LLC | Fargo | ND |
| TEK Energy Services | Mandaree | ND |
| Temple Construction Company | Fort Collins | CO |
| Terracon Consultants, Inc | Olathe | KS |
| Tharaldson Ethanol Plant | Casselton | ND |
| Theodore Roosevelt Medora Found. | Medora | ND |
| Thompson Lightning Protection | Saint Paul | MN |
| Thorpe Plant Services | Houston | TX |
| Three Affiliated Tribes – Maintenance Department | New Town | ND |
| Timken Motor & Crane Services LLC | Santa Fe Springs | CA |
| Titan Machinery Inc. | West Fargo | ND |
| TLT-Turbo Inc. | Akron | OH |
| TMI Systems Corp. | Dickinson | ND |
| Tobias Marman Construction L.L.C | Bismarck | ND |
| Tooz Construction | Dickinson | ND |
| Total Control Inc. | Dickinson | ND |
| Total Safety | Dickinson | ND |
| Total Tool Supply – Crane and Hoist Division | Saint Paul | MN |
| Trade Wind Ranch and Scoria | Tioga | ND |
| Trail King Industries | West Fargo | ND |
| Train ND (Williston State College) | Williston | ND |
| Transystems, Inc. | Grand Forks | ND |
| Traut Companies | Saint Joseph | MN |
| Triangle Electric | Williston | ND |
| Trinity Health WIN | Minot | ND |
| Tri-State Drilling, LLC | Minneapolis | MN |
| Trotter Construction | Grassy Butte | ND |
| True North Equipment | Grand Forks | ND |
| True North Surveys, P.A. | Spicer | MN |
| TrueNorth Steel | Fargo | ND |
| Turbine Master, Inc. | Tahlequah | OK |
| Turf Tamers LLC | Fargo | ND |
| Turtle Mountain Community College | Belcourt | ND |
| Twin City Garage Door | West Fargo | ND |
| Twin City Roofing, LLC | Mandan | ND |
| U S Coating Applicators LLC | Burnsville | MN |
| UELS, LLC | Vernal | UT |
| Ulland Brothers, Inc. | Virginia | MN |
| Ulteig Engineers, Inc. | Saint Paul | MN |
| UND Energy & Research | Grand Forks | ND |
| Underwood Public School | Underwood | ND |
| United Printing, Inc. | Bismarck | ND |
| United Quality Coop | New Town | ND |
| United Rentals | Bismarck | ND |
| United Tribes Technical College | Bismarck | ND |
| Unity Medical Center | Grafton | ND |
| Universal Plant Services, Inc | Deer Park | TX |
| University of North Dakota | Grand Forks | ND |
| US Army Corps of Engineers | Riverdale | ND |
| US Bureau of Reclamation | Rapid City | SD |
| US Sitework | Elk River | MN |
| USDA-ARS, Northern Great Plains | Mandan | ND |
| Vadakin, Inc. | Marietta | OH |
| Valley Bus | Fargo | ND |
| Valley Petroleum Equipment, Inc. | Grand Forks | ND |
| Valley Senior Living | Grand Forks | ND |
| Valley Truck Parts & Service Inc. | East Grand Forks | MN |
| Valley United Co-op | Reynolds | ND |
| Veit & Company | Rogers | MN |
| Verendrye Electric Cooperative | Velva | ND |
| Veritas Crane | Fargo | ND |
| Vestis | Bismarck | ND |
| Vigen Construction | East Grand Forks | MN |
| Viking Automatic Sprinklers | Bismarck | ND |
| Vocational Training Center | Fargo | ND |
| VRC Protx, LLC | Henderson | CO |
| V-TIC Services Inc. | Williston | ND |
| Wade Works LLC | Buffalo | SD |
| Wagner Construction, Inc. | Minot | ND |
| Wald Family Foods | Fargo | ND |
| Wallwork Inc. | Bismarck | ND |
| Walsh County (Safety Program) | Grafton | ND |
| Walsh-Pembina Administrators | Grafton | ND |
| Wanzek Construction, Inc. | Fargo | ND |
| Warrior Energy, LLC | Devils Lake | ND |
| Water Resource Group – Rice Lake Construction | Deerwood | MN |
| Waterson Electrical Services Inc. | Bostic | NC |
| Watson Well Solutions LLC | Watford City | ND |
| Wazee Crane LLC | Broomfield | CO |
| WBI Energy | Bismarck | ND |
| Weisz & Sons, Inc. | Bismarck | ND |
| Well Werks Energy, LLC | Williston | ND |
| Wescom, Inc | Duluth | MN |
| West Dakota Utility Services | Mandan | ND |
| West Fargo Public Schools | West Fargo | ND |
| Western Area Water Supply Authority | Williston | ND |
| Western Education Regional Cooperative | Williston | ND |
| Western Excavation LLC | Bismarck | ND |
| Western Steel Builders | Hazen | ND |
| Western Well Service | Williston | ND |
| Westmoreland Beulah Mining LLC | Beulah | ND |
| Whitehead Construction Inc | Elizabethton | TN |
| Wilbur-Ellis | Minot | ND |
| Williams County Highway Dept. | Williston | ND |
| Wilson Construction, Inc. | Scranton | ND |
| Winn Construction Inc. | Dickinson | ND |
| Wisco Inc. | Williston | ND |
| Wolf Steel Construction, Inc. | Fargo | ND |
| Woodstone Inc. | Saint Paul | MN |
| Woody’s Rebar Company, Inc | Saint Paul | MN |
| Workforce Safety and Insurance | Bismarck | ND |
| Wrigley Mechanical, Inc. | Fargo | ND |
| Wyoming Casing Service, Inc. | Dickinson | ND |
| Yellowstone Environmental Contracting, LLC | Miles City | MT |
| Ystaas Electrical Service dba YES, LLC | Dickinson | ND |

