Purchasing Cooperatives
- 1Government Procurement Alliance (1GPA)
- 2013 Purchasing COOP (Region 13/20 & PACE)
- 791 Co-op
- Buyboard (Login Required)
- Choice Partners
- Department of Information Resources (DIR)
- Equlis Group
- Goodbuy
- OMNIA Partners (National IPA/US Communities)
- Region 10
- Region 19
- Sourcewell
- The Interlocal Purchasing System (TIPS)
- TXMAS
- TXSmartBuy