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We Deliver... Service for your community.
Columbia Gas of Pennsylvania and Columbia Gas of Maryland are subsidiaries of NiSource Inc., the second largest natural gas distributor in the U.S. Nearly 900 Columbia Gas employees comprise our growing network. We serve more than 410,000 customers in 27 counties in the Commonwealth of Pennsylvania and 3 counties in Maryland.
In the near future, you will be able to select your county to see information regarding your specific service area to see where Columbia Gas delivers fuel for a better way of living. Until then, you can check the availability of service by calling our customer satisfaction center at: 1-888-460-4332.
