Since 1960, Harger has been providing solutions to the lightning protection and grounding industries. They have experience in all facets of these markets, including engineering, systems design, product manufacturing and installation. Their engineering department provides design services for engineers and contractors domestically, as well as internationally.

The Illinois Power Agency exists to serve the people of Illinois by overseeing the electricity planning and procurement processes for residential and small commercial customers of Ameren, ComEd, and MidAmerican. It also manages the implementation of the Illinois Renewable Portfolio Standard.

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.