Tesoro’s Procure to Pay Process (P2P) streamlines procurement processes and procedures, improving overall efficiency and relationships with our suppliers. We are always searching for ways to ensure accurate, on-time payments, and to respond promptly to any questions you may have about our processes.

This site provides the information needed to conduct business with Tesoro, including:

• Payment Methods
• Invoicing Methods
• Supplier Information Forms
• Frequently Asked Questions
• Contact Information

Planned future enhancements include Electronic Data Interchange (EDI) capability and a Supplier Self Service Portal.