Invoicing Methods

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Invoicing Methods

Electronic Invoices

Tesoro’s preference is for all supplier invoices to be electronically transmitted along with the appropriate backup to the following e-mail address:

Email Address
apayable@tsocorp.com

Paper Invoices

In the event you cannot transmit your invoices electronically, please send paper invoices to the following address:

Mailing Address
Tesoro Companies, Inc.
P.O. Box 599701
San Antonio, TX 78259

* Tesoro has rolled out the Track system as our contractor management system for selected suppliers. If you are currently using the Track system at one of our locations, please use the address indicated on your purchase order.