Columbia Gas of Kentucky
Headquartered in Lexington, Kentucky, Columbia Gas of Kentucky delivers clean, affordable and efficient natural gas to more than 138,000 customers across the state.
Columbia Gas of Maryland
Headquartered in Canonsburg, Pennsylvania, Columbia Gas of Maryland delivers clean, affordable and efficient natural gas to approximately 34,000 customers.
Columbia Gas of Ohio
Headquartered in Columbus, Ohio, Columbia Gas of Ohio delivers clean, affordable and efficient natural gas to approximately 1.5 million customers across the state.
Columbia Gas of Pennsylvania
Headquartered in Canonsburg, Pennsylvania, Columbia Gas of Pennsylvania delivers clean, affordable and efficient natural gas to more than 446,000 customers.
Columbia Gas of Virginia
Headquartered in Chesterfield County, Columbia Gas of Virginia delivers clean, affordable and efficient natural gas to more than 290,000 customers in portions of Northern Virginia, Hampton Roads, suburban Richmond, Central Virginia, the Shenandoah Valley, the Lynchburg region and parts of Western Virginia.
Northern Indiana Public Service Co. (NIPSCO)
Headquartered in Merrillville, Indiana, Northern Indiana Public Service Co. (NIPSCO) is Indiana’s largest natural gas distribution company and the second largest electric distribution company, serving approximately 1.3 million natural gas and electric customers across 32 counties.