Located in St. Louis, Missori, U.S.A., Ductformer Inc. is a manufacturer of machinery for the Duct Fabrication Industry. They manufacture sheet metal and duct fabrication machinery including rollformers for duct flanges, slip and drive cleats, Pittsburgh, and snaplock seams.

Duroair has fast become a pioneer in innovative airflow and air filtration technology. Duroair designs and manufactures flexible end-to-end clean air solutions, focusing on (i) painting and coating, (ii) dust and particulate collection, (iii) weld smoke and oil mist collection, (iv) positive and negative pressure clean rooms, (v) environmental isolation rooms and (vi) non-destructive testing applications.

EDI Inc. is a Cincinnati-based controls and energy management company. They provide modern clean vehicles with an excellent safety record, along with ongoing training in areas of energy management and mechanical repair, installation and maintenance.

Environmental Air Systems LLC. is an Industrial Grade Mechanical Contractor and Off Site Constructed Equipment Manufacturer that specializes in Mechanical Contracting, Off Site Construction, Custom Air Handling Units, Data Centers, Chiller Plants, Boiler Plants, Prefabrication, Central Utility Plants, and Design Builds.

Ernest West & Beynon based in the UK specialize in the design of refrigeration and air conditioning plants to meet the customers' precise and often exacting specifications.

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.

The Eubank Division of Airxcel, Inc. is a fast growing manufacturer of Wall Mount vertical packaged air conditioners and heat pumps. Eubank is a premium supplier of air conditioner units, heat pumps, dehumidifiers, and compressors

FilterBuy is a direct to consumer replacement air filter brand, headquartered in the Southeast of the United States and serving homes and businesses across the country. They are dedicated to providing quality, U.S. manufactured products to customers.

FilterEasy, believe in the power of easy. Service simplifies life by delivering filters automatically, and reminding when to change them. FilterEasy loves giving one less thing to think about.

FPS AIR COMPRESSORS offers unrivaled competence and experience in all areas of compressed air technology and the applications thereof. Their product range is unmatched in terms of quality, technology, and diversity, which allow their dedicated support and sales facilities to satisfy the requirements of all users of compressed air from small to large.

From self-cleaning ranges to ice and water dispensers, to speedcook ovens and refrigerators that make coffee, GE Appliances has electrified and modernized life for more than 125 years.

General Filter Group is a globally-renowned air filtration, indoor air quality (IAQ) and filtration technologies company with headquarters located in Italy. Since 1965, they have been manufacturing air filters, filtration and air purification systems to offer maximum air quality in civil, industrial and hospital environments.

GlassHouse, the first customer intelligence platform for the trades and home services industries, empowers business owners to prioritize their best customers and enjoy the maximum return on their invested time and capital. Contractors can use GlassHouse to easily access insights about potential clients and prospects before committing to a job.

Gray & Adams is the UK pioneer in the manufacture of specialist temperature-controlled and bespoke vehicles. Founded in 1957, they are a long-established, family-owned business with 750 employees, based out of a head office and main production facility in Fraserburgh, Aberdeenshire and have operational sites across the UK in Doncaster, Dunfermline and Newtownabbey.

Gree Electric Appliances, Inc. of Zhuhai is a diversified international industrial group, whose business covers residential air conditioners, central air conditioners, intelligent equipment, home appliances, air source water heaters, smart phones and refrigerators.

Guangdong Zhaoqing Deton Co., Ltd. is a professional manufacturer with the ability of design, production and sales of ventilation equipment. It covers an area of 200,000 square meters and has more than 1000 employees. Deton owns the largest ventilation equipment manufacture base in Southern China.

Güntner is a global pioneer in the manufacturing of refrigeration and air conditioning heat exchanger. The company has decades of experience in this field.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

In the past 60 years, HE has been dedicating itself to the prosperity and development of China’s equipment manufacturing industry. With great efforts, it has developed a series of leading products that ranges from nuclear power, hydropower, coal power, gas power, ships power plants and electric-driven devices to turnkey power plant projects, in which the core technical competences have reached the world’s advanced level.

Harts Services was founded in Tacoma in 2013 by co-owners Richard Hart and Dan Hartsough. Harts Plumbers, Electricians and HVAC Technicians offers residential plumbing, electrical and HVAC solutions and has a 4.9/5 rating on Google. Guided by its motto, We Care More, the company is committed to incorporating a caring attitude into every aspect of the business.

Head’s Heating & Air Conditioning is an HVAC company that offers complete heating and air conditioning services in the Mobile and Baldwin county area. Their company was established in the year 1979.

Heat-flo, Inc. is a design, sales, and manufacturing company dedicated to providing high-quality, cost-effective solutions for hydronic, solar, and electric-based water heating applications and high-efficiency hydronic and radiant heating applications.

Established in 1968, Heatmiser has become one of the UK’s smart room thermostat manufacturers. Heatmiser has established partnerships with heating installers and heating equipment manufactures across the UK and has the ability to private label and custom design.

Highside Chemicals, Inc. has manufactured the highest quality chemical products for the maintenance, installation and repair of refrigeration, air conditioning and plumbing systems for over eighty-five years. All products are thoroughly tested and proven to perform to the highest standards. Their commitment to quality along with excellent customer service and technical support makes Highside Chemicals the best choice.

Hisense VRF product is manufactured by Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd., which is a joint-venture company between China and Japan. And its business involves commercial air conditioning technology research and development, product manufacturing, marketing and service.

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. They provide a wide range of services, including HVAC systems, Information & Telecommunication Systems, Social Infrastructure & Industrial Systems, Electronic Systems & Equipment, Construction Machinery, High Functional Materials & Components, Automotive Systems, Smart Life & Ecofriendly Systems.

Honeywell is a provider of custom-engineered sensors, switches and controls, and productivity solutions built around its high performance data collection hardware including rugged mobile computers, voice-enabled software, bar code scanners, radio frequency identification (RFID) and workflow printing solutions. They also provide pressure sensors for HVAC and refrigeration equipment.

Howard Air focuses on providing the latest technology in superior comfort to meet all of the air conditioning and heating needs. Whether it is residential or light commercial sales, service, installation, indoor air quality or new construction, they guarantee that their specialized team will provide the best quality work.

Hubbard Products Ltd. is one of the United Kingdom's renowned designers, manufacturers and suppliers of commercial cooling equipment and has earned an enviable Global reputation for innovation and design-led excellence.

Huzhou Bocheng is a modern enterprise specializing in R & D, manufacturing and sales of motor and household appliances. Products are widely used in exhaust fans, axial flow fans, hair dryers, ventilators, Hongyun fans, electric fans, purifiers, range hoods, blowers, induced draft fans, dryers, ovens, air conditioning fans, shoe polishers, Yuba, heaters, forced exhaust gas water heater, washing machine, freezer, instrument cooling fan, etc.