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Big business thrives deep in the heart of Texas

Texas is home to some of the biggest companies on the planet. And the vast majority of the more than 100 Fortune 1000 companies are concentrated in the Texas Triangle. Below is a list of 22 firms that fall within 200 largest public companies in the U.S. (Clicking on a company will take you to a list of their annual reports filed with the SEC going as far back as 1994.)

#2 Exxon Mobil [Irving]
#5 ConocoPhillips [Houston]
#16 Valero Energy Corp [San Antonio]
#27 AT&T [San Antonio]
#30 Marathon Oil [Houston]
#34 Dell Inc. [Round Rock]
#65 Sysco Corp [Houston]
#101 AMR Corp [Fort Worth]
#103 Plains All American Pipeline [Houston]
#106 Lyondell Chemical [Houston]
#111 Electronic Data Systems [Plano]
#116 J.C. Penney [Plano]
#128 Tesoro [San Antonio]
#137 Kimberly-Clark [Irving]
#155 D.R. Horton [Fort Worth]
#157 Burlington Northern Santa Fe [Fort Worth]
#162 Texas Instruments [Dallas]
#174 Fluor [Irving]
#177 Enterprise GP Holdings [Houston]
#180 USAA [San Antonio]
#181 Waste Management [Houston]
#186 Continental Airlines [Houston]

In addition to these, there are scores of other giant companies in the Texas Triangle. In fact, 79 other Fortune 1000 firms are at home inside the Texas Three-Step. .:.