A1 Advantage Heating and Cooling Inc. has been focused on serving the families of Leelanau and Grand Traverse counties with standard goods and service since 2003. They look forward to an existing lengthy relationship taking care of all the heating & cooling demands.

Applegate Heating & Air Conditioning specializes in heating, air conditioning, and sheet metal work. It serves residential, commercial, and industrial projects. It specializes in sheet metal design, fabrication, and installation for projects of all sizes, ranging from $100 to $25,000,000.

DUCTZ has been providing industry-leading air duct cleaning and HVAC restoration services for residential and commercial properties alike.

Gallagher-Kaiser Corporation (GK) is a privately owned, Michigan based turn-key supplier of paint finishing systems, commercial & industrial HVAC and mechanical automotive systems within the Kaiser Enterprise.

Grand Traverse Refrigeration, Inc., has been providing heating, cooling, and refrigeration services to customers in the Traverse City and the surrounding areas. They are the HVACR company. They service, repair, install, maintain and design all makes and models of heating and air conditioning systems.

GREEN LINK is an innovative engineering company that develops and produces polymeric architectural products for the construction and HVAC industry. They work with contractors, architects, building owners and facility managers to engineer and produce the best possible solutions to meet the construction challenges.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

As one of the HVAC servicing companies in West Michigan, Lamphear Service Company specializes in offering high-quality heating and cooling repair, installation and mechanical services to residential and commercial clients.

Niles Steel Tank is a fabricator of shop built ASME Code pressure vessels and steel tanks for all industries. They provide quality products to OEM’s, engineering & procurement companies, and facility management firms. Industries served range from refineries, military, chemical plants, aerospace, press equipment manufacturers, boiler manufacturers and many others

Rack Engineering Division specializes in manufacturing storage and material handling products specifically designed for high weight capacities and heavy use. Rack Engineering understands that professional storage solutions are an integral element for efficiency and organization in the workplace, and they're proud to provide the highest quality products to the distributors and customers.

SANI-VAC Service provides high-quality indoor air cleaning services, including HVAC units, air ducts, and kitchen exhaust cleaning for commercial, industrial, and institutional organizations. It offer much heating and cooling cleaning services including air duct cleaning, ventilation cleaning, coil cleaning, HVAC cleaning, commercial kitchen exhaust degreasing, cooling tower cleaning, and ductwork inspections.

Universal Piping Industries (UPI) is a pioneer in the design, fabrication and installation of industrial piping & plumbing systems and HVAC systems for industrial/commercial facilities.

Whirlpool Corporation is a home appliance company with specialties in innovation, manufacturing, brand leadership, product leadership, operational excellence, people excellence, diversity and inclusion, social responsibility, and environmental sustainability. Whirpool Corporation has multiple brands under its name and they deal with different market sectors including HVAC.