About us

Installation & Service Company, Inc. (ISCO) is a trusted, familyowned utility contractor based in Mills, Wyoming, serving Natrona County and beyond since 1981. For over three decades, ISCO has delivered comprehensive excavation, underground utility, water/sewer line, septic system, grease trap, sump service, and asphalt paving solutions for residential, commercial, municipal, and event clients. We're fully licensed, insured, and recognized for quality craftsmanship, professionalism, and exceptional customer care. Our offerings include live water main tapping (the only private provider in Wyoming), frozen water line thawing, fire line riser installations, traffic control, bid proposals, dirt hauling, campground and road development, and emergency 24hour support. Operating from a modern facility with a skilled fulltime team and advanced equipment, ISCO excels in delivering reliable, compliant, and costeffective infrastructure services-large or small-to communities across Wyoming.