[rodster]

16,000.

One of the largest state trade associations of its kind, this 1,000-member organization represents petroleum marketers and convenience store owners and operators who own, operate, or supply approximately 16,000 convenience stores, service stations, and other retail motor fuel outlets in Texas and the southwest United States. Collectively, these petroleum marketers and convenience store companies supply nearly 9,000,000,000 gallons of fuel and tons of related products annually to Texas motorists. The average TPCA member owns and operates ten convenience stores and supplies twelve more. These businesses provide fuel and lubricants to the vast majority of commercial end-users, including farmers, construction firms, and local and state governments. In addition, TPCA associate members represent all of the diverse fields associated with the petroleum distribution system and convenience store industry.

http://www.tpca.org/display.php?tid=30&pop=2|2