At Apollo, their customers are at the core of everything they do. They understand the importance of reliable heating systems in cold climates and the impact they have on the well-being of individuals and the efficiency of businesses. That's why they are dedicated to providing superior products, exceptional customer service, and continuous innovation.

Chromalox is a thermal technology company. They engineer thermal solutions for the world's toughest industrial heating applications. Their Heat Trace segment delivers temperature management solutions for piping systems, valves, and tanks.

Comfort Solutions HVAC, a locally owned and operated residential heating and cooling company, prioritizes the well-being of its customers. Their expertise lies in ensuring comfort within the confines of homes, excelling in top-notch service, maintenance, and replacement of residential heating and air conditioning systems.

DenPro HVAC believes in exceptional customer service and setting the bar high in the industry. They are a locally owned and operated HVAC company serving south central Pennsylvania. From standard preventative maintenance to full replacements, both residential and commercial, they cover all HVAC needs.

Doucette Industries is a globally renowned supplier of heat exchangers, vibration absorbers and OEM parts to the HVAC/R industry since 1975. Their extensive products include suction line heat exchangers, heat recovery desuperheaters, coaxial coils, brazed plates, tube-in-tube condensers, shell and tube heat exchangers, vibration absorbers, pool water heat exchangers.

Drake Refrigeration, Inc. is one of the best industrial chiller manufacturers. design custom industrial process chillers to meet a customer's particular .

Established in 1905, Elliott-Lewis Corporation is a globally-renowned HVAC/R solutions company based in Philadelphia, USA. They provide complete maintenance, repair, operation engineering, design and installation services, along with energy solutions. In addition, Elliott-Lewis offers building automation control, ultra low-temp refrigeration, process piping, and back-flow prevention certification services.

Follett is a manufacturer of ice machines, ice storage, ice and beverage, ice and water dispensing equipment for foodservice and healthcare markets worldwide.

HVAC Erie specialize in air duct cleaning, air conditioning repair, and furnace repair in Erie, Pennsylvania, USA. They offer a full range of heating and cooling services, including furnace repair, air conditioning repair, and air duct cleaning. Their experienced technicians are available 24/7 for emergency repairs.

In 2022, the Professional Plumbing Group (PPG) joined the Marcone Group. PPG and its affiliated companies – which have a history stretching back 150 years – design, manufacture, market and distribute high-quality plumbing products and solutions.

PTubes, Inc. is the US subsidiary of Feinroren S.p.A. - Italy. They are a renowned manufacturer of copper refrigeration coils, pipe and pre-insulated copper coils for the HVAC industry.

Reed Manufacturing provides Tubing cutters and cutter wheels, plastic pipe tools, power drives, groovers, threaders and dies, vises, water services tools/machines, large diameter pipe tools, wrenches, including specialty wrenches.