Online Vendor Registration
Department of Central Services
State of Oklahoma Website
/ Contact Us
Please visit the State of OK Central Purchasing website to review the Central Purchasing Rules and Statutes, Vendor Registration Procedure Manual and Frequently Asked Questions.
For Online Vendor Registration Technical Support (problems with login or credit card payment) please call 405-521-2444.
For questions regarding Vendor Registration, State Vendor File Information or PeopleSoft E-Supplier User ID and Password, please contact the Office of Management and Enterprise Services (OMES) Help Desk at Phone: 405-521-2444 or 1-866-521-2444 or by Email:
For questions regarding Solicitations or Bidding, please contact the state buyer listed on the Solicitation Event.
For questions regarding Purchase Orders, Payments and Shipments, please contact the state agency directly.
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