Illinois Energy Companies
330 companies listed

Terrace Supply Company began in 1947 as Elmhurst Welding Supply when James A. Myers began selling compressed gases and welding supplies out of his house in Elmhurst, Illinois. He and his wife Gertrude moved into a small storefront in 1949, and with the expanding business came the need for a counterman…

Overpeck Gas Company was founded in 1954 by brothers, Kenneth P. Overpeck and Lawrence Overpeck Jr. in Marshall Indiana. Overpeck Gas expanded their propane delivery service in 1977 when it purchased Bryant and Sons LP Gas in Wallace Indiana and then again in 1984 with the purchase of Covington Service…

Stenstrom was founded in 1953 by Robert R. Stenstrom, who built his company from the ground up with the help of handpicked, highly qualified people who shared his dedication and standards. Under his leadership, our employees were known for their pride and dedication to the job. This tradition continues…

Laboratory Technologies, Inc. was established in 1983 as a manufacturer of multi-well gamma counters. Over the years, we have worked closely with many leading diagnostic companies and have become widely regarded as a leading worldwide supplier.  Our experience in designing nuclear instrumentation…

Welcome to SUMA, your provider for agitators and mixers, specifically designed for biogas plants and liquid manure tanks or lagoons. We've been delivering agitaton solutions for nearly 60 years in the biogas, manure and waste water industry. Our Knowledge and exclusive technology combined with our field-related…

Texor is one of the largest petroleum marketers in the United States, providing petroleum marketing to customers across the Midwest for 30 years. What drives petroleum marketing? Dedication to it every day. As the largest independent petroleum marketer in Illinois, and one of the largest in the United…

Advanced Energy Solutions is the experienced, professional and full service solar and wind installer that you are looking for. You can trust that your power system from Advanced Energy Solutions will consist of the latest and greatest technology and will be installed in a professional and timely manner.Here's…

Global Energy Solutions, Inc. has been helping industrial, commercial, and institutional owners find cost-effective ways to generate steam, power, heating and chilling, since 1997.  The firm specializes in projects that generate energy from a variety of organic waste materials by utilizing fuel…

Our mission of “improving the quality of life of our members at a reasonable cost” guides us as we meet the diverse needs of our service area in Southern Illinois. Serving members in portions of ten counties, including Franklin, Jackson, Johnson, Monroe, Perry, Randolph, Union,…

MJM is a not-for-profit electric cooperative headquartered in Carlinville, Illinois. We provide electricity to more than 9,200 accounts and service 2,101 miles of power lines in Macoupin, Jersey, Montgomery, Bond, Fayette, Green, and Madison counties. WHAT IS A COOPERATIVE? Simply…

Our mission is to be the energy supplier of choice in the areas we serve, by providing our customers with innovative and reliable power-purchasing options. We are committed to our customers, the communities we serve and improving the environment. Our Commitments To Our Customers – As a trusted…

McDonough Power Cooperative, headquartered in Macomb, Illinois, is a consumer-owned corporation that supplies electric power to members in portions of Fulton, Hancock, Henderson, Knox, McDonough, Schuyler and Warren counties in West-Central Illinois. More than 5,000 households and businesses receive…

Klingler Automatic produces oil and natural gas from prehistoric Niagaran coral reefs formed during the Silurian Period. 420 million years ago these reefs were physically located 10 degrees south of the equator. Tectonic plates over time have moved the reefs 52 degrees North to St. Clair County, Michigan.…

Thirteen Rock County farmers made history 80 years ago when they laid the groundwork for rural residents to get electricity and improve the quality of their lives. The history of Rock County Electric Cooperative Association, now Rock Energy Cooperative, is filled with milestones, significant happenings,…

At SouthEastern Illinois Electric Cooperative, not only is the delivery of energy provided by your local cooperative, the generation and transmission of your energy is also provided by a local cooperative.  Your cooperative is part owner of Southern Illinois Power Cooperative (SIPC) located at…

Southern Illinois Power Cooperative is a generation and transmission cooperative providing wholesale electric power to seven member distribution cooperatives and two wholesale customers in Illinois. Annual revenues are $200 million and assets are approaching $1 billion. SIPC owns coal fired and natural-gas…

Southwestern Electric Cooperative provides power to nearly 23,000 residential, commercial, agricultural and industrial members in southwestern Illinois, including parts of the St. Louis Metro East. As a not-for-profit utility, Southwestern Electric is committed to providing high-quality energy…

Spoon River Electric Cooperative held its 79th annual meeting, Thursday, June 20, at Farmington Central High School. Members were updated on the Cooperative’s 2015 financial results, the director’s election, the Spoon River Solar Farm and the new program, Operation Round-Up. President and…

WIEC would like to encourage high school students to learn more about government and their role in it… and provide a select group of student leaders with a chance to get an up-close look at government in action.  We understand how vital it is for our young people to understand how our government…

Highland Park Electric is a family owned Full Service Electrical Contractor. We service the North Shore areas of Chicago, IL, primarily servicing mid to upscale homes and large estates, however we also handle smaller homes, apartments and commercial locations.Our services are very affordable at only…