Trane Commercial Service & Sales

Founded in 1935, Stroh Corporation is an electrical contracting firm that provides a range of services for various commercial and residential projects. The company provides electrical construction, engineering, voice data installation and maintenance services for industrial, commercial, institutional and research facilities. It offers a range of electrical consulting services for systems, such as telephone equipment and lighting, fire alarms and ground systems. Stroh Corporation has achieved ISO 9001:2000 certification from the International Organization for Standardization. The company also provides design and installation services.

A. J. Allen Mechanical Contractors is a rare, fourth-generation family business in Des, Moines, Iowa. We have been growing our reputation as commercial and mechanical maintenance contractors for over 75 years. We can help prepare your building site with excavation, installation and backfilling of plumbing, steam, water, gas and other utility piping. In addition, our welders are certified for medical gas installations, refrigerant handling, backflow prevention devices and reclaim work. We have experience working with special environmental conditions related to equipment and piping. This includes working with explosion proof areas, computer rooms, laboratory environments, operating rooms and greenhouses. When future warranty work is needed, or equipment operational questions arise, we have a ready group of knowledgeable technicians that can respond efficiently because they have been involved in the original installation and overall function of the systems. Our technicians are available 24-hours a day with plumbers, hydronic systems pipefitters, and refrigeration and HVAC work technicians available to meet your needs. Our team understands building codes and the proper interaction with enforcement officials. We are well versed in OSHA and ADA compliance issues in construction. Call today to learn more.

Founded in 1932, Proctor Mechanical is a mechanical contractor specializing in underground utilities, plumbing, pipefitting, welding, air conditioning, sheetmetal and temperature controls. The company offers a variety of building design, mechanical engineering, drafting services, part design and fabrication for offices, medical clinics, warehouses and factories. Its services division provides various commercial and residential services, such as emergency service, backflow installation and testing, heating, cooling and refrigeration, installation and repair, stop boxes, and water and sewer line replacement. The company provides heating, ventilation and air conditioning services for various systems, such as commercial roof top units, new residential installations, boiler and mechanical piping, carbon monoxide testing, sheet metal installs, air balancing, and refrigeration, gas heating, ventilation systems. Proctor Mechanical is located in Des Moines, Iowa.