TXMAS and Cooperative Agreements: Please provide a bid offering your best pricing. If best pricing utilizes TXMAS or one of the cooperative contracts listed below, please include your TXMAS or cooperative contract number with your bid. Otherwise, provide open market pricing. The University is authorized to use TXMAS contracts and is a member of several purchasing cooperatives (below): Choice Partners Educational and Institutional Cooperative (E&I) First Choice Cooperative (First Choice) National Cooperative Purchasing Alliance (NCPA) OMNIA Partners Provista Purchasing Solutions Alliance (PSA) Sourcewell Southeast Texas Purchasing Coop TASB BuyBoard Purchasing Cooperative The Interlocal Purchasing System (TIPS) The University of Texas Supply Chain Alliance Vizient