Michigan Refining Division
Detroit Refinery Office

Contractor Responsibilities

This refinery contractors' website has been developed to provide you with the steps you are required to take to come to enter refinery property and do work for Marathon at Detroit. Before any contract worker will be able to enter the refinery property, all of the steps described on this site must be completed. Please click and review the "Step By Step Requirements " on the left navigation.


Important Refinery Bulletins

  • Vehicle, Property & Personal Searches
    All contractors coming to work at Marathon's Detroit, Michigan, refinery should review this Security Bulletin.

 

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