Okla. Stat. tit. 61, § 1

A. Prior to an award of a contract exceeding One Hundred Thousand Dollars ($100,000.00) for construction or repair of a public or private building, structure, or improvement on public real property, the person that receives the award shall furnish a bond with good and sufficient sureties payable to the state in a sum not less than the total sum of the contract. B. The bond shall ensure the proper and prompt completion of the work in accordance with the contract and shall ensure that the contractor shall pay all indebtedness the contractor incurs for the contractor's subcontractors and all suppliers of labor, material, rental of machinery or equipment, and repair of and parts for equipment the contract requires the contractor to furnish.