Gateway Mechanical is a part of Integrated Facilities Services. The company specializes in facility management, installation, process piping, heating, sheet metal fabrication, ventilation and air conditioning services. It operates a fleet of more than 100 vehicles that provides on-time delivery services. Gateway Mechanical has a staff of trained and certified professionals that offers insulation, manufacturing, scheduling and equipment handling services. The company provides services to residential, commercial and industrial customers. It is affiliated with the Association for Facilities Engineering, Building Owners and Managers Association and International Facility Management Association. Gateway Mechanical maintains a presence in St. Louis.. Plumbing Contractors