Texas Top Companies List by Market Cap as of August 2026

Exxon Mobil is the publicly traded international oil and gas company, uses technology and innovation to help meet the world’s growing energy needs. They are one of the integrated refiners, marketers of petroleum products and chemical manufacturers. Exxon Mobil produces Petrochemicals, Diesel, Plastics and Gasoline. Headquarters is in USA. Exxon Mobil brands are Exxon, Esso and Mobil.

Dell Technologies manufactures laptops, desktops, servers, smartphones, software. Headquarters is in Texas, USA. It operates globally in approximately 180 countries across key functional areas, including technology and product development, marketing, sales, financial services, and services. Their go-to-market engine includes a 32,000-person sales force and a global network of over 200,000 channel partners.

As on 2022, Dell Technologies has 133,000 employees.

Texas Instruments is a global semiconductor design & manufacturing company. Innovate with 80,000+ analog ICs & embedded processors, software & largest sales/support staff. Headquarters is in USA.

Texas Instruments Company works on analog and embedded processing products power electronics across every industry and help to make the world smarter, safer, greener, healthier and more fun.

AT&T Inc is USA Based Multi-National Telecommunications Service Provider Company. Products and Services Provided by AT&T are Wired and wireless voice and data, broadband Internet, TV and messaging services, as well as many of the innovative devices. Headquarters is in USA.

Conocophillips is oil and gas sector company with headquarters is in Texas, USA.

Quanta Services provides fully integrated solutions for the electric power, pipeline, industrial and communications industries. The headquarters is in USA.

As on 2022, Quanta Services has 47,300 employees.

Quanta Services annual revenue generated for period ending Dec-2022 was 17,073 million USD.

Quanta Services annual net income generated for period ending Dec-2022 was 491 million USD.

Valero is the independent petroleum refiner, and a marketer, ethanol producer. Headquarters is in Texas, USA.

PHILLIPS 66 is Oil and Gas involved in refining and producing Petroleum, PetroChemicals, Natural Gas, Lubricants, Fuels. Headquarters is in USA.

As on 2022, PHILLIPS 66 has 13,000 employees.

PHILLIPS 66 annual revenue generated for period ending Dec-2022 was 169,990 million USD.

PHILLIPS 66 annual net income generated for period ending Dec-2022 was 11,024 million USD.

WASTE MANAGEMENT is Waste and Trash Management Company with headquarters is in USA. They pickup waste materials and recycle waste materials. They have recycling plants and huge trucks fleet to provide waste management services effectively.

It is the provider of comprehensive waste management services in North America, providing services that range from collection and disposal to recycling and renewable energy generation.

As on 2022, WASTE MANAGEMENT has 49,500 employees.

ENTERPRISE PRODUCTS PARTNERS is Oil and Gas Company with headquarters is in Texas of USA. Enterprise Products Partners L.P. provides midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, refined products, and petrochemicals in the United States, Canada, and Gulf of Mexico.

As on 2021, ENTERPRISE PRODUCTS PARTNERS has 7,130 employees.

ENTERPRISE PRODUCTS PARTNERS annual revenue generated for period ending Dec-2022 was 58,186 million USD.