Supplier Registration Process
Tesoro utilizes Ariba® Network to register potential supplier inquiries. Registration is simple, easy and there is no cost to suppliers. Click here to register. If you are a current supplier to Tesoro, you do not need to complete the registration process. Click here to login and access or update your current profile.
Potential New Suppliers
Register to have your firm considered for potential future work with Tesoro. Tesoro, at its sole option, may use the information you provide as part of the registration process in future sourcing activities.
Registration does not constitute a commitment to any level of business with Tesoro. We will be in touch only if there are opportunities to meet our business needs, and at our sole option. No contact means that there are no opportunities for products or services in your category at this time.
NOTE: If you have previously registered in Ariba® Network, do not register again. Click here to login