Contact Information

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Contact Information

All supplier-related questions or inquiries should be directed to:

Department Phone Numbers Email Address
Business Service Center
(open 8 a.m. to 7 p.m. CST)
(877) TSO-PAYS
(877) 876-7297
(210) 579-4574 Fax
TSOlutions@tsocorp.com

To submit invoice information please refer to Invoicing Methods page.