NSI Electrical Contractors is a Milwaukee electrical contractor offering residential, industrial and commercial electrical services from electrical repair, electrical installation and electrical design/build. Whether we’re wiring a new home addition or managing an electrical design build project for a multinational corporation, NSI Electrical Contractors understands providing quality electrical service is about problem solving for PEOPLE. We listen to the needs of our clients, and deliver personalized solutions to their unique circumstances. For 35 years, NSI Electrical Contractors has maintained excellent working relationships with general contractors, developers, architects, engineers, municipal inspectors and other builders. Residential clients have repeatedly experienced stress-relief and satisfaction from the services of our professional Milwaukee electricians. We solve Wisconsin electrical problems at your convenience, arriving promptly on schedule or providing immediate 24 hour emergency electrical service when you need it most.