20 Best Energy Companies To Work For In Ohio

IGS Energy, also known as Interstate Gas Supply, Inc.,

Marathon Petroleum Corporation is an American petroleum refining, marketing, and transportation company headquartered in Findlay, Ohio. The company was a wholly owned subsidiary of Marathon Oil until a corporate spin-off in 2011.

FirstEnergy's 10 regulated distribution companies, that serve customers in Ohio, Pennsylvania, New Jersey, West Virginia, Maryland and New York, form one of the nation's largest investor-owned electric systems. Its transmission operations include approximately 24,000 miles of lines and two regional transmission operation centers. Founded in 1970 and headquartered in Akron, OH, FirstEnergy continues to strongly contribute to cleaner energy resources, smarter technology and a more sustainable planet.

Victory Capital Holdings, Inc. was incorporated in 2013 and is headquartered in New York, New York.

MPLX LP is a master limited partnership (MLP) formed by Marathon Petroleum Corporation (MPC) to own, operate, develop and acquire midstream energy infrastructure assets. The Company is engaged in the gathering, processing and transportation of natural ...

CECO Environmental is a company founded in 1966 and now is based in Cincinnati, Ohio. The company provides air pollution control technology, products and services for various industries, including ...

Are you looking for fueling services and assistance with oil varnish removal? At RelaDyne, headquartered in Cincinnati, Ohio, we are pleased to provide services for the commercial, industrial and automotive industries across the United States. In one p...

EDI, INC is a Cincinnati-based controls and energy management company.

NACCO Industries is an American publicly traded holding company, headquartered in Cleveland, Ohio, involved in the coal mining, small appliance and specialty retail industries. Its subsidiaries include the North American Coal Corporation.

Hull & Associates, Inc. is a project development, energy, and engineering consulting firm specializing in the Alternative Energy, Brownfields, Environmental, Shale Oil and Gas, and Waste Management markets. We are located in Cincinnati, Cleveland, Colu...

Columbia Gas Transmission, LLC owns and operates natural gas pipelines. The company also owns natural gas storage systems. Its customers include local gas distribution companies, energy marketers, electric power generating facilities, and industrial and commercial end users. The company was incorporated in 1969 and is based in Houston, Texas. Columbia Gas Transmission, LLC operates as a subsidiary of Columbia Pipeline Group, Inc.

REX American Resources Corp. is an American producer and retailer of ethanol, distillers grains and natural gas as well as a holding company in energy entities. It was founded in 1980 and is headquartered in Dayton, Ohio.

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Ohio Valley Electric Corporation, together with its subsidiary, Indiana-Kentucky Electric Corporation, generates and sells electric power in the United States. It owns two generating stations with a combined electric production capability of approximately 2,256 megawatts located in Ohio and Indiana. The company sells its power to investor-owned utilities or utility holding companies, and affiliates of generation and transmission rural electric cooperatives. Ohio Valley Electric Corporation was founded in 1952 and is based in Piketon, Ohio.

800-572-ROOF Suppliers of roofing material & expertise to the commercial & residential roofing industry. Founded 1983, family run. 12 Locations in Ohio & S. Fla

SDMyers is a leader in transformer maintenance, oil testing, training and field service - providing transformer life-extension services.

SparkBase, LLC was a stored-value and gift card transaction processor located in Cleveland, Ohio, United States from 2004 to 2016.