Manufacturers of air distribution, includes underfloor products, air control includes industrial dampers, VAV air terminal units, fan coil units, silencers, duct heaters, and air handlers.

Napco-International manufactures and supplies high quality industrial grade heating elements and supporting components to the industrial markets. They provide electric heating elements and accessory products such as HVAC heating elements for electric furnaces, heat pumps, air handlers and many more.

Neptronic is a private corporation that designs and manufactures products for the HVAC industry: controllers, electronic actuators, actuated valves, humidifiers and electric heaters.

Nor-Cal Products has manufactured the highest quality vacuum chambers, components and engineered subsystems used in semiconductor, flat panel display, industrial coating, LED lighting, energy and research equipment.

Nu-Air designs and manufactures high quality heat recovery ventilators (HRV's), energy recovery ventilators (ERV's), air handlers and vertical fan coils with integrated H/ERVs. Their primary markets are commercial, residential, multi-unit residential and institutional.

Olsen Heating & Cooling Products - USA takes pride in offering a full line of heating and cooling appliances that includes the Olsen brand of oil furnaces. The full line of quality Olsen oil furnaces and central air conditioning offers brand recognition, application versatility and a wide range of energy efficient models that are easy to install and maintain.

Ouellet is the manufacturer of heating and ventilation equipment for institutional, commercial, industrial and residential applications; electric heating equipment to include unit heaters, ceiling heaters, cabinet heaters, baseboard, bath ventilation, Heating Cable, Self-Regulating Cable etc.

Pelonis Technologies, Inc. innovator of air movement technologies, cooling fans and blowers, induction motors, and specialty heating products for commercial and industrial use. They provide AC and DC axial fans, motors, PTC heaters, motorized impellers, centrifugal fans, EC fans, blowers, fan accessories, fan trays, automotive fans.

Peterman is a family-owned residential heating, cooling & plumbing company with offices in Indianapolis, Columbus, Muncie, Bloomington, and Lafayette, Indiana. It specializes in heating & cooling repair & installation, along with plumbing services, drains & sewers.

Phillips and Temro Industries (PTI) is a company with a rich 100-year history as a global OEM and aftermarket provider of custom engineered thermal and electrical solutions. PTI’s future is focused on the continued evolution of engines and new energy vehicles as the company continues to provide solutions that maximize equipment performance, reliability and safety.

Pres-On is an innovative manufacturer of foam tape, custom adhesive coating gaskets, and cap liners serving a wide-range of major industrial markets.

QE QUALITY is a fully integrated design, manufacturing, and distribution company in the HVAC/R industry. They also offer copper tubing, cold controls, copper fittings, contactors, fan blades, hard start kits, motors, thermostats, timer defrost controls, transformers, vibration eliminators.

RATH has specialized in base materials and finished products for the refractory sector. Individual design and the highest quality of the products - that's what their customers appreciate.

RectorSeal is a manufacturer of specialty chemical sealants. They have developed a robust line of chemical, mechanical and firestopping products. These products are distributed through an extensive wholesale distribution network serving the plumbing, industrial, HVAC-Refrigeration, construction, electrical, and hardware market places.

Reedy Industries is a rapidly growing commercial HVAC and building controls company that is transforming the industry. Founded in 1930, we’ve grown by providing exceptional service and unprecedented opportunities for HVAC company owners, their employees, and customers.

Refricenter International is a wholesaler/exporter of heating, ventilation and air conditioning parts, supplies and equipment.

RWC and its family of brands develop safe, sustainable, and efficient solutions to help shape a better world. We engineer and innovate products to integrate seamlessly within the modern built environment. RWC and its family of brands transform performance and efficiency for plumbing and heating, smart homes, and specialist industries around the world.

Rockwell Automation helps manufacturers to succeed and grow with industrial automation control and information solutions designed to give the customers a competitive advantage.

Ruud provides heating, cooling and water heating products for residential and light commercial use. Their HVAC systems include Air Conditioners, Heat Pumps, Gas Furnaces, Air Handlers, Energy Star, HVAC Systems.

SCP Ltd. is a globally renowned manufacturer of hot surface igniters for HVAC for over 25 years, offering silicon carbide and silicon nitride solutions for gas furnaces, boilers, and heaters.

SenerTec GmbH, based in Schweinfurt, has been producing and selling the badger (Power plant for heat and electricity) since 1996. The company works on the principle of cogeneration and generates heat and electricity at the same time, because it uses the fuel (natural gas, liquid gas) used extremely efficiently.

Shell are a global group of energy and petrochemical companies with more than 80,000 employees in more than 70 countries. Theye use advanced technologies and take an innovative approach to help build a sustainable energy future.

Sirius Buying Group will get ahead of the competition with its collective trade purchasing power of more than £120 million+. Currently comprising 188 members and 250 retail outlets, Sirius by virtue of its members is able to facilitate the UK with an extensive collection of home appliance and kitchen retail brands. Through specially negotiated terms with its preferred suppliers, Sirius members are guaranteed to benefit from improved margins.

Smart Electric has been focused on HVACR components for over a decade. They provide HVAC systems' components, smart electric motors, capacitors and transformers for air conditioning, refrigeration equipment, valves, filters, heating and other appliances.

Spa Gas Limited are a Worcestershire-based family-run company established over 20 years ago with over 40 plus years of industry knowledge and experience. Spa Gas design and installation teams provide a tailored service that is both bespoke and unique to every project and client alike.

SPC is a British manufacturer specializing in supplying heating and cooling solutions. Founded over 30 years ago, they present a portfolio that includes a range of products in the following categories: Heating and cooling coils, Fan convectors, Trench heaters, Radiant heating and cooling, Air curtains, Heat pipes.

Spunstrand Inc. is a renowned manufacturer of fiberglass reinforced plastic ductwork for underslab HVAC applications, and industrial duct products such as dampers, carbon scrubbers, mist/grease eliminators, and FRP tanks.

SSHC Inc. (Solid State Radiant Heating Inc.) is a renowned manufacturer of ENERJOY Radiant Ceiling Panels, documented by the US Dept. of Energy to save 30-50% on energy costs. The also provide commercial, home heating and floor warming solutions.

STELPRO is a globally renowned company in electric heating, heating cables, ventilation and electronic controls. It offers a wide range of quality HVAC products designed and manufactured in Canada.

SRP manufactures a full range of energy-efficient gas fired, high and low intensity infrared space heating equipment for the commercial, industrial, agricultural, residential and hospitality markets with facilities in USA, Canada and China.