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Some Requests for Proposals or Invitations to Bid may be listed on the Oklahoma Office of Management and Enterprise Services Central Purchasing web page.

The Administrative Services Division is responsible for ensuring that all solicitations and awards adhere to statutes, administrative procedures and agency regulations. Bidders should not contact any OWRB personnel during the open solicitation process.

Bid Event Link Event ID/Name Closing Date
Freshwater Macroinvertebrate sorting and taxonomy EV00000409  4/04/2024
Last Modified on Mar 26, 2024