EMAX manufactures undersink water heaters, booster water heaters, SS water heaters, gas water heaters, heat pump water heaters, tube-in-tube titanium refrigerant heat exchangers, pool heat exchangers, pool heaters, geothermal coaxial heat exchangers.

ESP Company was founded in 1974 by Thomas J. Finnegan, a manufacturer's rep in the Midwest to provide specialty products to the air conditioning, heating, and refrigeration industry.

HVAC Technologies is transforming the heating and air conditioning industry by educating and empowering consumers and creating new ways for consumers to connect with trustworthy local HVAC contractors.

Intelligent Mobile Support (IMS) created Sales Builder Pro to serve residential HVAC contractors and other in-home service providers like plumbing, electrical, and home warranty. Sales Builder Pro - market leading software that helps contractors boost average tickets and win rates.

Ohio Heating and Refrigeration (OHR) provides commercial and residential HVAC, boilers, building automation, commercial refrigeration, fabrication, and food service equipment.

Sauer is the full service Mechanical Contracting Company providing HVAC, Industrial Piping, Plumbing, Instrumentation, and Maintenance Services. Sauer Group is a division of Sauer Holdings Inc., headquartered in Pittsburgh, Pennsylvania.

Troy Filters Ltd. is a custom manufacturer and supplier of filters and filter media for a variety of applications, including equipment protection filters, HVAC air filters, HEPA and cleanroom filters, paint spray booth filters, gas phase filtration, industrial air filters, power generation filters, and an extensive offering of OEM replacement filters.

The services of Vaughn Industries have grown into the industrial/commercial sectors, including electrical, mechanical (HVAC and Pipefitting), plumbing, and high voltage substation, high voltage transmission and distribution construction. They provide High Voltage Transmission and Distribution, High Voltage Sub Station, Commercial/Industrial Mechanical/HVAC, Commercial/Industrial Electrical, Renewable Energies, and Preventative Maintenance.