World Top 100 Gas Utilities Companies List by Market Cap as of August 2026

TC Energy Corporation business is supply of natural gas and crude oil through pipelines and generates electricity. Headquarters is in Calgary, Canada.

DOMINION ENERGY is Energy company and Electricity Utility company with businesses in electricity and natural gas supply.

As on 2022, DOMINION ENERGY has 17,200 employees.

DOMINION ENERGY annual revenue generated for period ending Dec-2022 was 17,174 million USD.

DOMINION ENERGY annual net income generated for period ending Dec-2022 was 901 million USD.

MPLX owns and operates midstream energy infrastructure and logistics assets, and provides fuels distribution services. MPLX's assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and NGL processing and fractionation facilities in key U.S. supply basins.

ONEOK is Natural Gas Processing, transmission and Distribution ( Gas Utility ) company with headquarters is in Oklahoma, USA.

As on 2022, ONEOK has 2,966 employees.

ONEOK annual revenue generated for period ending Dec-2022 was 22,386 million USD.

ONEOK annual net income generated for period ending Dec-2022 was 1,721 million USD.

Targa Resources is a Midstream Energy Infrastructure company. The company own, operate, acquire, gathering, compressing, treating, processing and selling natural gas. Gathering, storing, terminaling and selling crude oil.
The headquarters is in USA.

As on 2022, Targa Resources has 2,850 employees.

Targa Resources annual revenue generated for period ending Dec-2022 was 20,929 million USD.

SEMPRA ENERGY is Electric Utility and Gas Utility company with headquarters is in California, USA.It is an energy infrastructure company focused on connecting millions through the power of people, developing, building, operating and investing in clean power, energy networks, ideas and innovation. Sempra’s mission is to be North America’s premier energy infrastructure company. The Sempra family of companies have 20,000 talented employees who deliver energy with purpose to nearly 40 million consumers.

Xcel Energy is Electric Utility and Gas Utility company with headquarters is in USA.

PACIFIC GAS & ELECTRIC CORPORATION is Gas utility and electric utility company with headquarters is in California, USA.

As on 2022, PACIFIC GAS & ELECTRIC CORPORATION has 26,000 employees.

PACIFIC GAS & ELECTRIC CORPORATION annual revenue generated for period ending Dec-2022 was 21,680 million USD.

PACIFIC GAS & ELECTRIC CORPORATION annual net income generated for period ending Dec-2022 was 1,800 million USD.

CONSOLIDATED EDISON is Electricity Utility and Gas Utility company with headquarters is in USA.

As on 2022, CONSOLIDATED EDISON has 14,319 employees.

CONSOLIDATED EDISON annual revenue generated for period ending Dec-2022 was 15,670 million USD.

CONSOLIDATED EDISON annual net income generated for period ending Dec-2022 was 1,660 million USD.

SSE PLC is a Electricity generation and distribution company. SSE Energy Services was acquired by OVO Energy from SSE plc. SSE Energy Services is now owned and operated by OVO Energy. SSE's vision is to be a leading energy company in a low carbon world. Headquarters is in UK.

SSE PLC Business Segments:

• SSE Renewables
• SSEN Distribution
• SSEN Transmission
• SSE Thermal
• SSE Energy Solutions
• SSE Airtricity