Commonwealth Electric Companies of the Midwest is a union electrical contractor with more than five locations nationwide. It offers various services, including electrical, lighting, plumbing and layouts, and its electrical outlets are arranged on a 15- by 15-foot grid systems in the floor. It also has after-hours radio and cellular dispatching systems, fully equipped crews, ready to handle all electrical emergencies, and an inventory of equipment, including bucket trucks, diggers, cranes, and fully equipped mobile trucks. The company also installs structured cabling systems, including copper and fiber optics for voice, data and video communications, local, metropolitan, and wide area networks, and security, surveillance, fire alarm and control systems. It also offers preventive maintenance programs that include infrared scanning to detect areas that need service, and follow up photos and reports. It also has crews that specialize in the installation of uninterruptible power systems. Commonwealth Electric Companies of the Midwest is located in Omaha, Neb.