As of 2015, natural gas companies in Ohio include Dominion East Ohio, Columbia Gas of Ohio and Duke Energy, which are the traditional suppliers within the state. There are also newer, alternative suppliers such as Ohio Natural Gas and Constellation.Continue Reading
Dominion East Ohio is based in Cleveland and serves approximately 1.2 million customers in 400 western and eastern Ohio areas. Columbia Gas of Ohio serves about 1.3 million customers and is headquartered in Columbus. Duke Energy has the largest total customer base at nearly 4 million, but with only about 500,000 customers in Ohio and Kentucky combined.
Ohio Natural Gas and Constellation are newer providers; Ohio Natural Gas has its foundation in the southeast, and Constellation has served customers across 12 states since 1999.Learn more about Industries