Frequently Asked Questions

A. Marathon uses the Occupational Safety Councils of America (OSCA) for all its contractor training. As a contractor, you will need to set up an account with OSCA and utilize their system for your employees. You will need to meet the following criteria to gain access to the Refinery:

  • Complete the Marathon OSCA background check.
  • Have an “Active” status in OSCA’s Drug & Alcohol Program or DISA Solutions.
  • Complete Refinery Safety Overview (RSO) training.
  • Complete the Marathon Mandan, ND or Dickinson, ND Contractor Site Specific Orientation training.

A. Contact Angelica Subia and she will assist you in setting up an account for Training and Background checks. Angelica can be reached at or (925) 335-5026. Once your OSCA account is set up, you will be scheduled for a training session on how to manage your account and set up employees for training.

A. Testing can be completed by any of the following collection sites:

Preble Medical Services
107 Collins Avenue Mandan, ND 58554
(701) 663-6021

Sanford Health Occupational Medicine Clinic
2603 East Broadway Bismarck, ND 58501
(701) 323-5222

Drug and Alcohol Testing Network
723 Memorial Highway, Bismarck, ND 58504
(701) 527-8441

A. The following courses are available:

Classroom Course

  • Refinery Safety Overview (RSO)

Computer-Based Training 

  • Marathon Mandan Contractor Site Specific Orientation
  • Marathon Dickinson Contractor Site Specific Orientation
  • Marathon Mandan Contractor Alky Orientation
  • Marathon Mandan Visitor Site Specific Orientation
  • Marathon Dickinson Visitor Site Specific Orientation
  • Marathon North Dakota Refineries Fire Watch Orientation
  • Marathon North Dakota Refineries Permit to Work
  • Marathon North Dakota Refineries Confined Space
  • Marathon Logistics MidCon Gathering & Processing Site Specific Orientation

Before you can attend any of these trainings, you must have your account set up with OSCA. Once your account is active, you will be able to see a schedule of available training times and register your employees.

A. The Contractor Site Specific Training’s are computer-based training. If your employees are in North Dakota, an OSCA computer lab is set up at the North Dakota Safety Council located at 1710 Canary Avenue in Bismarck. Employees MUST be pre-registered for the training.

Contractor Site Orientation Training can also be completed at other locations in the United States. Please contact OSCA for locations offered.

A. Marathon accepts both RSO and OSHA 10-Hour training, but you only need to complete one.

A. Work with your company representative or your refinery contact to determine the next steps to receive your access badge.

A. Contact your company representative or your refinery contact for the onboarding guide.

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