Telecommunications Equipment in Illinois
Aldridge Electric is ranked among the electrical contractors. Incorporated in 1952, they have nearly 70 years of expertise completing complex transportation, foundation drilling, mass transit, and power projects. A family-owned company headquartered in the Chicago-land area, Aldridge employs 1,300+ employees on projects from coast to coast.
Ameren is a Fortune 500 company that trades on the New York Stock Exchange under the symbol AEE. Ameren Missouri ranks as the largest electric power provider in Missouri, and Ameren Illinois ranks as Illinois' third largest natural gas distribution operation in total number of customers. Employing more than 9,000 personnel, Ameren powers the quality of life for 2.4 million electric customers and more than 900,000 natural gas customers.
Broadway Electric, Inc. integrates the elements of quality, experience, and capability to efficiently and effectively accomplish intricate telecommunications, electrical, and security installations. Due to the competitive nature of the construction field, they find the best alternatives for excellence in workmanship at a cost-competitive price.
Formic Technologies Inc. (Formic) make automation simple. They're dedicated to helping manufacturing businesses across the United States supercharge their productivity. Their cutting-edge robot fleet empowers factories to pack goods and stack onto pallets with confidence, savings, and simplicity that they can't find anywhere else.
Hirose Electric USA is a subsidiary of Hirose Electric Co., Ltd., one of the world's leaders in developing and manufacturing electric and electronic connectors. Hirose's vigorous international strategy rests on three pillars: strong capital investment, a highly skilled labor force, and close contact with the product development divisions of client manufacturers throughout the world.
Julian Electric is a globally renowned manufacturer of quality battery & power cables & wiring harnesses to mobile equipment OEMs.
Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 19,000 global associates, it partners with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day.
Maron Electric Company is an innovative force in the electrical industry with advanced products and systems for the most challenging applications.
MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.
Panduit was born from innovation. In 1955, they launched their first product: Panduct Wiring Duct, a new invention that uniquely organized control panel wiring and allowed new wires to be added quickly and neatly. Since that time Panduit has introduced thousands of problem solving new products and remained committed to providing innovative electrical and network infrastructure solutions.
Rothenberger USA is a top-quality threading machine for standard use by plumbing and electrical contractors. So versatile, it cuts, threads, grooves, reams or bevels with near automatic operation: automatic chucking, automatic oil flow through the die head, and fast threading speeds.
Springfield Electric has focused on providing value to each customer throughout the electrical supply chain. The company has strategically expanded to include distribution centers throughout the Midwest to better serve all customers.
The Morse Group originated with the founding of Morse Electric, Inc. in 1944. Since its inception, Morse Electric has continued to grow through continuous investment in both technology and top personnel to meet changing customer demands. The Morse Group is an industry major firm and ranks among the top 50 electrical contracting firms in the United States of America (USA).
UL Solutions is a globally renowned company in applied safety science. UL Solutions transforms safety, security, and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions deliver testing, inspection and certification services, together with software products and advisory offerings, that support their customers’ product innovation and business growth.
Browse Electrical companies
- City
- Chicago
Upcoming electrical events in United States of America (USA)

T&D World Live 2025
- 23 - 25 Sep, 2025
- Glendale, United States of America (USA)

SPARK 2025
- 26 - 28 Sep, 2025
- Phoenix, United States of America (USA)

The Utility Expo 2025
- 7 - 9 Oct, 2025
- Louisville, United States of America (USA)

IEEE Workshop on Control and Modeling of Power Electronics (COMPEL 2025)
- 22 - 26 Jun, 2025
- Knoxville, United States of America (USA)

S.E.E. Annual Conference and Trade Show 2025
- 24 - 27 Jun, 2025
- Orlando, United States of America (USA)

EASA 2025 Convention
- 19 - 22 Jul, 2025
- Nashville, United States of America (USA)

T&D World Live 2025
- 23 - 25 Sep, 2025
- Glendale, United States of America (USA)

SPARK 2025
- 26 - 28 Sep, 2025
- Phoenix, United States of America (USA)

The Utility Expo 2025
- 7 - 9 Oct, 2025
- Louisville, United States of America (USA)

IEEE Workshop on Control and Modeling of Power Electronics (COMPEL 2025)
- 22 - 26 Jun, 2025
- Knoxville, United States of America (USA)

S.E.E. Annual Conference and Trade Show 2025
- 24 - 27 Jun, 2025
- Orlando, United States of America (USA)

EASA 2025 Convention
- 19 - 22 Jul, 2025
- Nashville, United States of America (USA)