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.

CEMLINE manufactures tanks, pressure vessels, packaged water heaters, unfired steam clean generators, and replacement tube bundles to suit customer requirements since 1935. Their products are used for the storing and heating of water and liquids in plumbing and heating systems and industrial processes.

Chadds Ford Climate Control offers a broad range of skilled services to create a more comfortable, productive, and rewarding home and work environment. They specialize in both residential and light commercial applications. Their service contracts protect the sustainability of customers comfort systems, including generators, with service targeted at maximizing longevity, reliability, and energy efficiency.

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.

H.C. Nye Company, Inc. is a Manufacturer’s Representative of Engineered, Applied, and Industrial HVAC Systems. They specialize in the assisting consulting engineers, construction managers, mechanical contractors and building owners in the application, selection, and sale of HVAC mechanical equipment.

Halpern - Jacobs represents the premier manufacturers of Heating, Ventilating, Air Conditioning, and Refrigeration Equipment and After Market Parts.

Since 1914, HB McClure has served homes and businesses in Central Pennsylvania by providing premier residential, commercial, and design/build mechanical services, including heating, cooling, plumbing, electrical, and fuel oil and propane delivery. Our expert technicians evaluate each job, recommend the best solutions, and allow the client to choose the right option for their needs.

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.

HVAC PLUS is a premier reseller of commercial replacement parts for heating, ventilation, and air conditioning equipment. Their main focus is on high quality replacement HVAC parts for systems made by the industry's top manufacturers, including Carrier, York, Trane, McQuay, Barber Coleman and GE Motors.

JJJ Techs Inc. offers a comprehensive range of services to meet the needs of both residential and commercial clients. The core services include HVAC installation, maintenance, and repair, expert electrical services, and top-quality commercial refrigeration solutions. A team of skilled technicians is dedicated to ensuring your comfort, safety, and peace of mind.

With over 40 years of successful business experience and personal relationships within HVAC/R industry, Kivlan Group provides manufacturers and wholesale distributors with innovative sales and marketing solutions to increase sales and brand value.

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.

The Mobile Air Conditioning Society (MACS) Worldwide is a pioneer trade association for manufacturers, service repair and distribution for the vehicle air conditioning industry.

Established in 1914, MSA Safety Incorporated is the global pioneer in the development, manufacture, and supply of safety products that protect people and facility infrastructures. Many MSA products integrate a combination of electronics, mechanical systems, and advanced materials to protect users against hazardous or life-threatening situations.

Since 1975, OmegaFlex has been supplying quality-engineered flexible metal piping products that meet highly-engineered industrial, residential, and commercial applications. They provide flexible metal hose products, vibration absorbers, flexible gas piping, (CSST-Corrugated Stainless Steel Tubing for residential, commercial, and industrial applications); flexible piping.

Precision Tube has been successfully manufacturing Non-Ferrous, Cold Drawn, Seamless Tubing Since 1932. Ranging in outside diameters from .010" to 3.625", the non-ferrous tube and pipes come in copper, aluminum and other alloys including brass, bronze, nickel silver and cupro-nickel. Their Fabrication Center is available to produce tubular parts to exacting customer specifications including bending, flaring, punching, flatten and rolled.

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.

Riley Sales is a distributor and service provider of HVAC needs. They cater to the industry by offering services for air ventilation and filtering to thermostats and sheet metal.

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.