Working Together
Suppliers
Working with Marathon Oil
Shared Values
Our Global Supply Chain organization obtains goods and services from outside vendors that align with our Code of Business Conduct, and demonstrate compliance with applicable safety, environmental and transportation laws and regulations.
Successful supplier candidates should:
- Be financially viable
- Be competitive and have “value added” technical, cost or service advantages
- Be ethical, with high health, environment, safety and security standards
- Understand Marathon Oil’s business
- Follow ISO or others appropriate industry procedures and processes
- Have timely and accurate electronic invoice submission processes
Email Support
Contact us with any questions.
New to Working With MRO?
Required Supplier Onboarding
All new Marathon Oil suppliers are required to complete the Supplier Training Registration Form and associated video:
Supplier Hotline
Have questions? We have the answers.
Please direct questions regarding your registration or invoice status to the Marathon Oil Supplier Hotline:
Phone: 866-323-1836
Email: openinvoicesupport@marathonoil.com
From the U.K., dial: 808-234-2552 (BT) or 800-068-9831 (MCL)
Supplier Resources
Helpful References and Guides
Video
Creating Departments & Roles for Pricing Agreements
PDF
Pricing Agreement Departments and Roles QRG
Video
Pricing Agreement: Updating Items & Pricing
Video
Pricing Agreement: Supplier Training
Video
How to: Find Purchase Orders and Buyer Site
PDF
Quick Reference for Marathon Oil Invoicing
PDF
B2B Supplier Integration Guidelines
PDF
Pricebook Collaboration Quick Reference Guide
PDF
Supplier Collaboration Quick Reference Guide
PDF
Standard Purchase Order Terms & Conditions
PDF
Invoice Creation against 45 PO’s
PDF
Invoice Creation against 482 PO’s
PDF
Transportation Management System Requirements
PDF
Marathon Oil Invoicing Requirements
Video
How to Search for Pricing Agreements
PDF
Searching for Invoices & Invoice Status in OpenInvoice