Organization Services

Founded in 1989, IGS Energy (Interstate Gas Supply, Inc.) is a U.S.-based independent energy retailer headquartered in Dublin, Ohio. Serving over one million residential, commercial, and industrial customers across multiple states—including Ohio, Michigan, Illinois, Pennsylvania, New York, Indiana, Virginia, and California—the company offers natural gas, electricity, solar solutions, community solar, and compressed natural gas (CNG) fueling services.IGS combines customer-centric consultative service with deep industry expertise, providing energy procurement, asset management, alternative fuel sourcing, and demand-side efficiency tools tailored to diverse client needs.. Since 2015, solar offerings under the IGS Solar brand have expanded to residential, commercial, and community installations .