ABM Franchising Group, an operating unit of ABM, is a portfolio of franchise networks that deliver comprehensive mechanical and electrical service and preventive maintenance solutions to clients across multiple markets from commercial office buildings, educational institutions, and municipalities to hospitals, data centers, and industrial facilities.

Air & Waste Management Association (A&WMA) is a non-profit, non-partisan professional organization that enhances knowledge and expertise by providing a neutral forum for information exchange, professional development, networking opportunities, public education, and outreach to more than 6000 environmental professionals in 65 countries.

Air King America, LLC provides Total Home Ventilation with solutions to create excellent Indoor Air Quality (IAQ) at homes and commercial spaces. Air King offers one of the most complete lines of ENERGY STAR certified solutions in ventilation products on the market today. Products include Bathroom Exhaust Fans, Whole House Continuous Operation Exhaust Fans, Fresh Air Machines, Under Cabinet Range Hoods, Professional Range Hoods and more.

APR Supply Co. is a third generation wholesale distributor of plumbing and HVAC products with locations in Pennsylvania, New Jersey, and Delaware.

Headquartered in New Castle, Pennsylvania, Berner Air Curtains combines engineering expertise, state of the art equipment, and highly skilled workers to design and produce the most efficient, best looking, reliable air curtains on the market.

C L WARD is a foremost manufacturer of US Made sheet metal ductwork accessory products. As a company with three generations of experience, C L WARD can provide support through superior quality products, technical information, and customer loyalty.

CertainTeed, a subsidiary of Saint-Gobain, is North America’s renowned brand of sustainable exterior and interior building products. They also provide coatings, insulation, sheating and roofing services.

Chester-Jenseis Co. Inc. is a manufacturer of sanitary stainless steel heat exchange and other processing equipment. They also provide refrigeration evaporators, water chillers, thermal storage equipment, ice builders and many more.

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.

With manufacturing and distribution facilities dotting the planet, Ductmate is one of the largest HVAC system components manufacturers in the world, and the largest in the United States. They are pioneers in innovative duct and HVAC solutions, making Ductmate the single-source solution provider for engineers and contractors, worldwide.

Howden provides a comprehensive range of screw compressors for virtually any refrigeration or gas compression requirement; providing service and maintaining a large inventory of OEM parts.

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.

Maitz Home Services is listed as an essential business and are OPEN. They take extraordinary precautions to assure the safety of the employees and the clients.

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.

As a true manufacturer, MKT’s customers always come first. Unlike other industry suppliers who provide based on a variety of stipulations, your projects will always be MKT’s top priority.

Since 1997, Powered Aire has specialized in manufacturing stainless steel air curtains. Their product line has evolved since the early years but the foundation has remained unchanged. American-made quality, innovation, leadership, service, and community are the company's core values.

Triangle Refrigeration Co. started out by providing commercial solutions to customers in central and eastern Pennsylvania. Now they are the trusted provider of commercial HVAC and refrigeration services and food service equipment in the New York Tri-State area.

WM Buffington Co. is a family-owned business that has been providing quality heating and cooling services to the Central Pennsylvania area since 1952. For 66 years, their team of experts have dedicated themselves to providing fast, professional work with superior customer service.