Nature of SBE Participation. SBE participation includes contracts (other than employee contracts) with SBEs for any goods or services specifically required for the completion of the work under the contract. An SBE may participate as a prime contractor, subcontractor, joint venture partner with a prime contractor, vendor of material or supplies incorporated or expended in the work, or a supplier of other services such as shipping, transportation, testing, equipment rental, insurance services and other support services necessary to fulfill the requirements of the contract.