United CoolAir Corporation manufactures 1 to 90 ton "All-Indoor" Modular HVAC Solution systems for Commercial and Industrial Cooling as well as 100% Outside Air applications.

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 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 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.

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 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.

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 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.

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.

Velocity Boiler Works are manufacturers of gas-fired condensing and non-condensing boilers, oil boilers, indirect water heaters, hydronic air handlers and warm air furnaces.

Venstar is a leading thermostat and energy management system manufacturer known for delivering ease of use, proven cost savings, improved energy efficiency, quality and reliability.

Ventilation Direct is the source for all the HVAC needs. Ventilation Direct is committed to customer service and on-time, accurate delivery of superior ventilation products. Their line includes UL and ANSI-listed commercial and industrial exhaust fans, heaters, make-up air units, motors and more all with a two year warranty.

Ventilation Power Cleaning is one of the largest industrial vacuum cleaning company's in the state of Washington. VPC offers a wide range of specialized services to meet the customers’ cleaning needs. When it comes to industrial cleaning and related services, choose the company with over 45 years of experience in the industry, knowledgeable employees, and state-of-the-art equipment.

VENTS manufactures residential and commercial centrifugal, axial, mixed flow ventilation fans and recovery ventilators. They provide unique, innovative solutions such as single room recovery ventilators.

Veri-Dry LLC, DBA/DXAir provide custom built solutions that truly control the humidity and air quality in pool rooms/natatorium. They also provide Pool Dehumidifiers for commercial and residential applications.

VERILON manufactures Strip Doors that are used throughout industrial, commercial and institutional structures, both indoors and outdoors.

Veris Industries is an energy and environmental sensor partner that provides quality products for commercial HVAC and other automation applications. Veris has an extensive product portfolio that includes a wide array of control devices including air quality sensors, current sensors, leak detection systems, power and energy monitors, pressure sensors, relays, temperature sensors, and more.

Verizon Networkfleet offers a full suite of industry-defining solutions and services that put innovation, automation and connected data to work for customers and help them be safer, more efficient and more productive. With more than 3,500 dedicated employees in 15 countries, they deliver leading mobile technology platforms and solutions.

In 1984, Vertical Market Software (VMS) opened its doors to provide an integrated accounting and job costing system to general contractors throughout the country. VMS provides service, construction, and accounting software to software to contractors nationwide. They also offer a complete enterprise solution for efficient business management and optimization.

Vesta.DS, Inc. was established in 2016 to promote condensing tankless water heaters, combination boilers and heating boilers specifically designed for North America The products are manufactured in South Korea by Datsun Celtic, a company founded in 1982 that introduced European-style gas boilers into the Korean market. Today, their energy efficient products are sold throughout the world. To better serve industry, Vesta has regional sales