PremiStar, formerly Reedy Industries, operates a footprint of 41 commercial HVAC, building automation and plumbing branch locations across 12 states. PremiStar helps critical facilities owners and managers in commercial, municipal, educational and industrial market segments achieve more cost-effective, more energy-efficient and healthier environments.

Pressure & Process Boiler (P) Ltd. was originated in 2009 to provide specialized Engineering and Project Service in the field of Boilers (Process) and co-generation power plant. In 2010, PP Boilers came forward in full swing in the field of Manufacturing of Steam Boilers and Boiler accessories/spares.

Prihoda UK provides bespoke fabric ducting for commercial or industrial applications at a competitive price. They are renowned for their specialized textile ventilation systems, providing fabric ducting and diffusers and air socks for ventilation projects all over the UK and Ireland.

PART provides IAQ specialty cleaning services to commercial and industrial clients throughout the Midwest and has conducted numerous large projects in the Eastern United States. PART’s management team and project supervisors are certified members of the National Air Duct Cleaners Association (NADCA).

Projective is an independent company that specializes in industrial process and utilities engineering. Services offered include consultancy, design and project management for a range of customers in facilities spread across the globe and, being independent, means they have no interest in selling their equipment they don’t need.

Pueblo has grown to one of the largest, most multifaceted mechanical contractors in Arizona. It performs a broad offering of HVAC, Plumbing, and Controls installation, maintenance, and repair services for governmental, industrial, commercial, and healthcare facilities throughout Arizona.

Established in 1969, Purafil is a globally-renowned provider of molecular air filtration and indoor air quality (IAQ) solutions. They also provide a wide range of air filtration, air conditioning, odor control, corrosion control, toxic gas filtration, monitoring and chemical filtration solutions.

PureAC is the first automated disinfecting device for window & wall-mounted air conditioning and heating systems that instantly kills and inhibits mold, mildew, bacteria, and germs. It's the perfect solution for in-between professional servicing.

PVI - A WATTS Brand specializes in the manufacture of duplex stainless steel, ASME, commercial watereaters and storage tanks. They also deal with energy sources including gas, electric, steam, boiler water, and combinations of energies.

Qolsys Inc is a pioneer residential and commercial security and smart-home manufacturer. They provide smart thermostat, video monitoring, energy management and home automation.

Quantech has a proven track record of delivering high-performance chillers with speed, efficiency, and reliability in mind. They are led by the customers and work tirelessly to provide optimized HVAC solutions that address the facility needs. They provide smaller, lighter, quieter chillers resulting in lower installation costs.

Quest Controls Inc. is a leading designer and manufacturer of intelligent automation systems (hardware and software) for small, medium and large buildings intended to deliver major energy savings. Quest provides telecommunications with remote monitoring for power and battery capacity, control of main door access, intelligent lead/lag, control and monitoring of HVAC systems, gas monitoring, telephony equipment monitoring, environmental monitoring,

QuietCool - QC Manufacturing, Inc is a manufacturer of the patented QuietCool whole house ventilation system - a quiet and energy efficient companion appliance - or alternative to - expensive air conditioning usage.

R. Williamson & Associates has been providing industry with clean, comfortable air. They provide an interactive experience, having engineers and technical sales representatives on staff with more than 135 years of air systems design experience.

Ranger Pumps is a privately held corporation that was founded in 1989 in Memphis, Tennessee. Ranger has become a domestic and international pump supplier. They pride themselves on manufacturing pumps in the USA from parts made in the USA.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

Rapid Water Technologies' patent-pending nanobubble generator removes and prevents the buildup of biofilm in commercial and industrial water use.

Rawal Devices Inc. is the manufacturer of highly efficient and cost-effective solutions that solve temperature and humidity control problems in industrial, institutional, and commercial building applications.

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

Refrigeration Design Technologies (RDT) designs and manufactures refrigeration systems for food service operations. RDT has equipment in many restaurants, hotels, casinos, universities, hospitals, prisons, corporate dining facilities, sporting stadiums and theme parks.

Refrigeration Research Inc. are manufacturers of high-quality commercial/industrial refrigeration and air conditioning components. Refrigeration Research uses hydrogen brazing to assemble tanks, which ensures a clean, contaminant-free process – helping to avoid problems. They also provide personal, accessible service.

Regal Beloit Corporation is a leading global manufacturer of air flow, motion control, power transmission and power generation solutions used in commercial, industrial and residential applications.

Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing, and electrical services, indoor air quality, duct cleaning, insulation, and home and building performance for both residential and commercial customers.

RenewAire has been a pioneer in improving people's health, cognitive function, productivity and well-being by enhancing IAQ via Energy Recovery Ventilation technologies.

Resolute is a well-capitalized, deeply experienced company focused on growth by providing service to a wide spectrum of customers in the HVAC industry. They provide Rental Chillers, Compressors, RSR's, HVAC, HVACR, Rental Heat, Rental Power, Rental AC, Rental Dehumidification, Rental Fans, Rental Air Handlers, Rental Cooling Towers, Rental Generators and much more.

RHP Mechanical Systems has been leading the way in HVAC, plumbing, piping, and radiant systems since 1950. Their residential services include full heating, cooling, plumbing, and ventilation design, installation, replacement, and maintenance services for every kind of residence.

RightTek excels in providing real-life Residential HVAC Training from entry-level classes to advanced specialized training for senior technicians. As an Army-approved Career Skills Program (CSP) provider, RightTek re-tools soldiers leaving active duty for a rewarding career in the Residential HVAC Industry.

At River Valley Construction, excellence and integrity are at the core of everything they do. User satisfaction, comfort, and peace of mind are their top priorities.

Robert Madden Industries is a heating and air conditioning wholesale distributor offering Carrier, Bryant, Payne, and Day & Night equipment and parts, as well as a generous line of supplies.

Robertshaw has been creating and implementing innovative solutions throughout its history. Robertshaw continues to develop ground-breaking solutions that make products more effective, more efficient, and more attainable. They specialize in air conditioning, cooking. dishwashing, refrigeration, heating products.