Texas Top Companies List by Market Cap as of August 2026

National Oilwell Varco is an Oilfield Services and Technology Provider company. It provides mud pumps, designs, manufactures, rents, centrifugal pump, fluid transmission tools, land rigs, offshore drilling equipment packages and oilfield drilling rigs. The headquarters is in USA.

Chord Energy Corporation operates as an independent exploration and production company. It acquires, exploits, develops, and explores for crude oil, natural gas, and natural gas liquids in the Williston Basin. The company was founded in 2007 and is headquartered in Houston, Texas.

Marine transportation company with headquarters is in Texas, USA. Transports petrochemicals, oils, chemicals and refined petrol products across Mississippi river.

Semiconductor company with headquarters is in Texas, USA.

Noble Corporation is the offshore drilling industries company. The headquarters is in USA.

Engineering, Construction and Infrastructure company with headquarters is in Texas, USA.

Weatherford International plc is the leading wellbore and production solutions company providing integrated solutions across well stages and customer domains to the oil and gas industry. The service are provide to the company which are working in the sector of digitalization and automation solutions, mature field solutions, offshore solutions, unconventional assets solutions and integrated services. The headquarters is in USA.

Matador Resources Company is an Independent Energy company engaged in the Exploration, Development, Production and Acquisition of Oil and Natural Gas company. It provide natural gas processing, oil transportation services, natural gas, oil and produced water gathering services and produced water disposal services to third parties. The headquarters is in USA.

Eagle Materials is a manufacturer of basic construction materials that are used in residential, commercial, industrial, infrastructure and energy applications. It operations are segmented by product group and include cement, gypsum wallboard, recycled paperboard, concrete and aggregates and oil and gas proppants divisions. The headquarters is in USA.

Magnolia Oil & Gas Corporation is a Publicly Traded Oil and Gas Exploration and Production company. The headquarters is in USA.