United Safety and Survivability Corporation, formerly known as USSC Group, is committed to delivering the most innovative and reliable safety and survivability solutions to protect life and property. They provide active air purification to increase air quality. They also provide PPE safety systems to doctors, nurses, and front-line responders.

United Technologies Corporation provides technology products and services to building systems and aerospace industries worldwide. The company's UTC Climate, Controls & Security segment offers electronic security products, including intruder alarms, access control systems, and video surveillance systems; and fire safety products, as well as systems integration, video surveillance, installation, maintenance, and inspection services.

Unity Cooling Systems is a commercial refrigeration company in Houston , has been providing quality cooling systems to businesses for over 20 years. They specialize in custom/build walk-in coolers and freezers, meat cases, milk cases, commercial air conditioning, and air conditioning repair.

Universal Air Supply is a wholesale and retail manufacturer of air-conditioning and refrigeration equipment, parts, and supplies.

Universal Electronics Inc. is the pioneer in universal control and sensing technologies for the smart home. Its broad portfolio of over 300 pending and current patents includes the world’s most complete database to connect and control thousands of entertainment viewing devices.

Universal Fan & Blower Ltd. are manufacturers of centrifugal and axial FRP composite corrosion resistant industrial and commercial fans.

Universal Piping Industries (UPI) is a pioneer in the design, fabrication and installation of industrial piping & plumbing systems and HVAC systems for industrial/commercial facilities.

Uniweld Products, Inc. is a U.S. manufacturing company that deals with gas, soldering, brazing, heating and welding equipment and accessories, test equipment, pressure gauges, alloys, manifolds and charging equipment, leak detectors, vacuum pumps, tubing tools.

Unlimit DB is committed to the development of design and construction in the Czech Republic. They recognize the importance and impact of this sector and aim to be a pioneer in providing innovative and quality solutions.

Uplight empowers their customers to take control over their energy usage and bills with personalized and cost-effective Behavioral Energy Efficiency (BEE).

URI is a a distributor of air conditioning and refrigeration compressors. They remanufacturer open and semi-hermetic types 5-125hp. URI has been serving the HVAC and refrigeration services industry for more than forty years.

US Fire Pump is a collective of over 200 years of experience in design, manufacturing, marketing and purchasing. Protecting the lives of the public and firefighters while limiting the structural damage caused in large scale fires is the primary mission at US Fire Pump.

USA Industries is an ISO 9001:2015 manufacturer and supplier of piping isolation and testing products, tube plugs, orifice plates, and tools for heat exchangers for rental or sale.

Utica Boilers has been a trusted supplier of gas and oil-fired boilers for residential and commercial buildings since 1928. Contractors and homeowners alike choose Utica Boilers as their preferred supplier because of our high efficiencies, easy maintenance and installation features, and limited lifetime warranties.

UV Angel is a provider in pathogen control technology that neutralize harmful pathogens using a combination of hardware and software. UV Angel’s ultraviolet light-based technology platform is used to treat surfaces and the air. UV Angel’s technology is supplemented by a data analytics platform.

UV Diffusers act as a shield removing pathogens from the air coming from the ventilation system before it enters the room. The disinfected air is then mixed with the air present in the room to reduce the concentration of contaminants. UV Diffusers improve ventilation efficiency while preventing the spread of airborne diseases.

UV Resources are a globally renowned company in UV-C disinfection and HVAC efficiency. They help disinfect airstreams, mitigate disease transmission, and kill microbial contaminants that impede HVAC efficiency. Company founders pioneered the application of UV-C energy in HVAC equipment nearly 25 years ago. Currently, they supply market-renowned germicidal UV solutions to facility managers and building engineers around the world.

At V & H Heating & Cooling, the knowledgeable contractors look to provide the customers with efficient service on their HVAC systems. Located in Woodlawn, VA, they understand that great service is key in the relationships with customers. With over 47 years of experience, they do the best to gain the trust of each and every one of their customers when they work for them.

Vairtech is committed to developing a variety of new models to meet the needs of the market and high quality. It is specialized in the production of various aluminum alloy air vents, aluminum foil expansion pipes, inspection ports, aluminum foil tapes, purification filters, air duct regulating valves.

Vaisala is a pionreer in industrial measurement. The company develops, manufactures and markets state-of-the-art relative humidity, dew point, carbon dioxide, moisture in oil and barometric pressure and wind instruments for industrial processes, HVAC, IAQ, R&D and OEM applications.

VAK offers a complete design, manufacture, installation, and commissioning service.

Valleytech Ltd is a family run company established in 2005. We provide all aspects of heating services including boiler installation, maintenance & repair.

Valtec-Umisa SA is a company in the metallurgical sector, with a long tradition and experience in the field of manufacturing and installing Pressure Equipment, mainly steam generators.

In more than forty-five years since their founding in an old onion set warehouse in South Holland, Van Drunen Heating and Air Conditioning’s goal has remained the same, taking care of people.

Since 1972, Vanair®, a Lincoln Electric Company, has worked toward one goal – being the industry major in Mobile Power Solutions. During that time, it has collaborated with a multitude of companies to engineer products that deliver a true performance edge. They offer the most comprehensive product line of vehicle-mounted air compressors, generators, welders, hydraulics, Electrified Power Equipment®, chargers/boosters, engine starter, etc.

The companies Varmaverk ehf and Velaverk ehf have merged under the new name Varma & velaverk. They can also put together Electrical heating solutions with PARATs quality High Voltage Boilers and Low Voltage Boilers that are right for the boiler house to add flexibility or reduce emissions.

VATANUCOOL is an organization having more than 16 years of experience in Design Engineering, Execution & Service of HVAC and Industrial Process Cooling Solutions and have handled more than 400 Clients from both the public and private sectors.

The services of Vaughn Industries have grown into the industrial/commercial sectors, including electrical, mechanical (HVAC and Pipefitting), plumbing, and high voltage substation, high voltage transmission and distribution construction. They provide High Voltage Transmission and Distribution, High Voltage Sub Station, Commercial/Industrial Mechanical/HVAC, Commercial/Industrial Electrical, Renewable Energies, and Preventative Maintenance.

VECAMCO has specialized in the manufacturing and trading of accessories for air conditioning units, heating systems, ventilation components, and air treatment systems, becoming, in a short time, one of the pioneer companies in Italy and abroad.

Velavi Heating & Cooling provides A/C installation, A/C repair, heater repair, and commercial services in Norwalk, CA, and surrounding areas within a 30-mile radius. Velavi HVAC for professionals heating and air conditioning near the Los Angeles service makes sure the air purifying filters are replaced at a regular interval of three months.