TexiCorp

Oil, gas and Oil engineering industry
BP North American Headquarters (Houston), ConocoPhillips US Headquarters (Houston), Dynegy (Houston), Exxon Mobile Corporation (Irving), Pennzoil (owned by Shell) (Houston), Schlumberger (Houston), Valero Energy Corp (San Antonio).

Retail companies
7-Eleven (Dallas), Blockbuster Video (McKinney), CiCi's Pizza (Coppell), CompUSA (Dallas), Dr Pepper (Plano), Fiesta Mart (Houston), Fit Couture Frito-Lay (owned by PepsiCo, Inc.) (Plano), Group 1 Automotive (Houston), JC Penney (Plano), Landry's Restaurants, Inc. (Houston), Mary Kay Inc. (Dallas), Metromedia Restaurant Group (Plano), Michael's Stores (Irving), Neiman Marcus (Dallas), Pier 1 Imports (Fort Worth), Pizza Hut (owned by Yum! Brands, Inc.) (Dallas), Radio Shack (Fort Worth), Randall's Food Markets (Houston), Zale Corporation (Irving).

Banking
AmeriCredit Corp (Fort Worth), USAA (San Antonio)

Other important companies
Kimberly-Clark (Irving), Halliburton Energy Services (Houston), Hoover's, Inc. (Austin), Minute Maid (owned by Coca-Cola) (Houston).