Oklahoma
Oklahoma authorizes cooperative purchasing including construction services under 61 O.S. §139, but separately requires under 61 O.S. §103(G) that public construction contracts exceeding $100,000 awarded through purchasing cooperatives must satisfy ALL provisions of the Public Competitive Bidding Act of 1974, including open competitive sealed bidding.
Authority to Enter Cooperative Purchasing Agreements; Public Competitive Bidding Act Compliance 61 O.S. §139 and 61 O.S. §103(G)
"Any local public procurement unit may either participate in, sponsor, conduct or administer a cooperative or piggybacking purchasing agreement for the acquisition of any commodities or services, including construction services, with one (1) or more public procurement units or external procurement units in accordance with an agreement entered into between the participants."
— 61 O.S. §139 and 61 O.S. §103(G), Authority to Enter Cooperative Purchasing Agreements; Public Competitive Bidding Act Compliance
Plain-language summary
Oklahoma's cooperative purchasing framework is layered. The Interlocal Cooperation Act (Title 74, §§ 1001 et seq.) provides general authority for public agencies to cooperate, and 61 O.S. §139 explicitly authorizes local public procurement units to enter cooperative or piggybacking purchasing agreements for commodities or services 'including construction services.' Local agencies must still satisfy applicable procurement regulations including the Central Purchasing Act, the Public Competitive Bidding Act, the Finance Act, and any federal regulations applicable to the funding source. The critical caveat is in 61 O.S. §103(G): a public agency shall NOT let or award a public construction contract exceeding $100,000 (or a construction management trade contract exceeding $50,000) to any contractor affiliated with a purchasing cooperative unless the purchasing cooperative AND the contractor have complied with ALL provisions of the Public Competitive Bidding Act of 1974 — including open competitive bidding after solicitation for sealed bids. The same requirement applies to construction contracts from $10,000 to $100,000. The practical effect: cooperative purchasing organizations and their affiliated contractors must run a procurement that satisfies the same competitive bidding standards as a direct Oklahoma public agency solicitation.
Key requirements
- →For commodities and non-construction services under 61 O.S. §139: cooperative or piggybacking agreements between public procurement units are broadly permitted.
- →Cooperative purchases must satisfy the Central Purchasing Act, Public Competitive Bidding Act, Finance Act, related rules, and federal funding regulations as applicable.
- →For public construction contracts exceeding $100,000 (or construction management trade contracts/subcontracts exceeding $50,000): the purchasing cooperative AND its affiliated contractor must comply with ALL provisions of the Public Competitive Bidding Act of 1974.
- →Compliance with the Public Competitive Bidding Act includes open competitive bidding after solicitation for sealed bids — the cooperative's original procurement process must satisfy Oklahoma's bidding standards.
- →For construction contracts between $10,000 and $100,000: the same Public Competitive Bidding Act compliance requirement applies.
- →Public construction contracts at $5,000 or below: no Public Competitive Bidding Act constraints on cooperative purchasing.
- →Interlocal cooperative agreements under Title 74, §§ 1001 et seq. provide a separate authority pathway between Oklahoma public agencies.
Construction services
Oklahoma takes a structurally different approach to cooperative construction procurement than most states. Rather than prohibiting it (like Virginia) or excluding out-of-state cooperatives (like Tennessee), Oklahoma requires that any purchasing cooperative used for construction contracts over $10,000 must have run a procurement process that fully complies with the Public Competitive Bidding Act of 1974 — including competitive sealed bidding. This means cooperatives like OMNIA Partners and Region 14 ESC Texas can be used for Oklahoma public construction, but only if their underlying solicitation and award process satisfies Oklahoma's full competitive bidding standards. Oklahoma agencies should verify, with counsel, that the specific cooperative contract being used was awarded through a process that meets the Public Competitive Bidding Act requirements — not just the cooperative's own internal standards. This compliance verification is more demanding than what other states require.
How Oklahoma agencies access our contracts.
LNC holds multiple cooperative purchasing contracts through OMNIA Partners and Region 14 ESC Texas, all of which are available to public agencies in Oklahoma under 61 O.S. §139 and 61 O.S. §103(G).
Your agency can use our contracts to procure construction services through certified Affiliate Vendors. Every Affiliate proposal is audited and certified by LNC before reaching you.
Talk to LNC About Your Project →This summary is provided for general informational purposes only and is not legal advice. Oklahoma's procurement code may have been amended since this content was prepared. Confirm the current text of 61 O.S. §139 and 61 O.S. §103(G) and consult your jurisdiction's legal counsel before relying on this authority for a specific procurement.