10 companies

Consumers Energy Company

Consumers Energy is one of the largest combination electric and natural gas utilities in the US, serving approximately 6.8 million residents across Michigan's Lower Peninsula.

Greenville Utilities Commission

Community-owned, not-for-profit utility providing electric, water, sewer and natural gas services to Greenville and Pitt County, North Carolina, since 1905.

Pacific Gas And Electric Company

Pacific Gas and Electric Company is a combined natural gas and electric utility serving approximately 16 million people across a 70,000-square-mile service area in Northern and Central California.

Liberty Utilities (Canada) Corp.

Liberty Utilities (Canada) Corp. delivers rate-regulated electric, natural gas, water, and wastewater treatment services to communities across North America, Bermuda, and Chile.

Citizens Energy Group

Citizens Energy Group is a public charitable trust providing natural gas, thermal energy, water, and wastewater services to the Indianapolis area.

DTE Electric Company

DTE Electric Company is a Michigan-based utility providing electric and natural gas service to millions of customers, with additional non-utility energy operations across 19 states.

Kodiak Gas Services LLC

Kodiak Gas Services LLC is the largest privately-owned U.S. contract compression provider, supplying natural gas compression services to oil and gas producers and midstream companies.

Madison Gas and Electric Company

Dominion Energy

Dominion Energy is a US utility providing electricity and natural gas to over 7 million customer accounts across 20 states, with operations in solar, nuclear, and wind power.

Ameren

Ameren is a utility company providing electric and natural gas service to approximately 3.4 million customers in Missouri and Illinois.