Houston is home to 44 of the nation’s 128 publicly traded oil and gas exploration and production firms, including eight of the top 25 as ranked by 2017 total assets. Seven more among the top 25 have subsidiaries, major divisions or other significant operations in Houston, including ExxonMobil, Chevron, Hess and Murphy Oil.
International oil and gas companies with significant Houston operations include Shell, BP, BHP Billiton and CITGO.
Patrick Jankowski, CERP
Senior Vice President, Research
Melissa Verhoef, PhD
U.S. publicly traded oil and gas companies are located in Houston