We are an electrical contractor located in St. Louis, MO. We have a strong local presence and routinely perform nationwide service and installations with our crew. We also facilitate large-scale projects, preventative maintenance programs, national roll-outs, remodels, and 24/365 emergency service in all 50 states, Canada and Puerto Rico. With 30+ years of experience, a network of 10,000+ vendors, and the best project managers in the business M-CO is your one-call answer to all of your facility maintenance needs. Our professionally trained project managers will expertly facilitate all of your building needs in a timely and efficient manner, following up with consistent communication on every project.