Top Energy Companies in S&P 500 List by Market Cap as of August 2026

ATMOS ENERGY CORPORATION is Natural gas distribution company with headquarters is in Texas, USA.

As on 2022, ATMOS ENERGY CORPORATION has 4,791 employees.

ATMOS ENERGY CORPORATION annual revenue generated for period ending Sep-2022 was 4,201 million USD.

ATMOS ENERGY CORPORATION annual net income generated for period ending Sep-2022 was 774 million USD.

Halliburton is oil fields services company with headquarters is in Texas, USA.

As on 2022, Halliburton has 42,172 employees.

Halliburton annual revenue generated for period ending Dec-2022 was 20,297 million USD.

Halliburton annual net income generated for period ending Dec-2022 was 1,572 million USD.

Edison International company generates and distributes electricity. Headquarters is in California, USA. Electric Utility company.

As on 2022, Edison International has 13,388 employees.

Edison International annual revenue generated for period ending Dec-2022 was 17,220 million USD.

Edison Internationalannual net loss generated for period ending Dec-2022 was 612 million USD.

Electricity generation and Electricity distribution, Electric Utility company with headquarters is in Ohio, USA.

As on 2022, FIRSTENERGY has 12,335 employees.

FIRSTENERGY annual revenue generated for period ending Dec-2022 was 12,459 million USD.

FIRSTENERGY annual net income generated for period ending Dec-2022 was 406 million USD.

EVERSOURCE ENERGY is Electricity Utility, Gas Utility and Water Utility company with headquarters is in Massachusetts, USA.

As on 2022, EVERSOURCE ENERGY has 9,626 employees.

EVERSOURCE ENERGY annual revenue generated for period ending Dec-2022 was 12,289 million USD.

EVERSOURCE ENERGY annual net income generated for period ending Dec-2022 was 1,404 million USD.

Electricity generation and Electricity utility company with headquarters is in Pennsylvania, USA. They provide essential energy services to more than 10 million customers in the United States and the United Kingdom, and are advancing the future of energy technology and infrastructure.

As on 2022, PPL CORPORATION has 6,700 employees.

PPL CORPORATION annual revenue generated for period ending Dec-2022 was 7,902 million USD.

CENTERPOINT ENERGY is Electric utility and gas utility company with headquarters is in Texas, USA. CenterPoint Energy's primary businesses include: electric transmission and distribution, natural gas distribution and natural gas sales and services. 

CENTERPOINT ENERGY services:

COTERRA ENERGY is Oil and gas exploration and production company. Headquarters is in Texas, USA.

CABOT OIL & GAS CORPORATION renamed to COTERRA ENERGY INC.

CMS ENERGY CORPORATION is Electricity utility and gas utility company with headquarters is in Michigan, USA.Consumers Energy is one of the nation’s largest combination electric and natural gas utilities.CMS Enterprises owns and operates independent power generating plants, natural gas assets.CMS Enterprises Company also engaged in independent power generation in several states.

CMS Energy total number of employees in 2022 was 9,073.

Natural gas utility and electric utility company with headquarters is in Indiana, USA.