Since 1997, Powered Aire has specialized in manufacturing stainless steel air curtains. Their product line has evolved since the early years but the foundation has remained unchanged. American-made quality, innovation, leadership, service, and community are the company's core values.

Propous is one of the largest independent suppliers of gas and oil burner’s spare parts, valves, air heaters, and HVAC products. The success of the company can be attributed to its efficiency, reliability, technical knowledge and an understanding of the customer’s requirements.

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.

Puretec is a globally renowned manufacturer of the highest standard of water filters. Their dedication to delivering a wide range of leading-edge products with seamless backup ensures a complete guide to water filtration. Puretec products come with class-leading warranties, are of impeccable quality and are true to their tag line “perfecting water”.

With headquarters in Phoenix, Arizona, PuriFi Labs is committed to bringing safety and security back to the world by purifying indoor air and surfaces for homes and businesses. PuriFi Lab’s patented technology was rigorously researched and tested in varied applications for more than two years before being made available to consumers.

Refrigeration Technologies is the manufacturer of specialty chemicals, product research, development and marketing in the HVAC market.

Since 1961, Reliable Louvers has been supplying architectural and mechanical louvers for the construction and hospitality industries. With a state-of-the-art paint and anodizing finish lines, in-house full-service sheet metal shop and a full-time engineering staff, they have the capabilities to meet any needs.

Reviveaire LLC is a globally renowned manufacturer and provider of advanced air disinfection systems to safeguard indoor environments against airborne pathogens, focusing firmly on innovation and cutting-edge technology.

INNORAPID LIMITED with brand RPWORLD, founded in 2003, is committed to high-mix, low-volume manufacturing services. Over more than 19 years, RPWORLD has been providing customized one-stop manufacturing solutions for 20,000+ projects from 40 countries around the globe, becoming one of the fastest and most comprehensive manufacturing suppliers in the world.

For 50 years, Schornsteinwerk Schreyer GmbH have been producing and selling chimney and ventilation systems with complete accessories as well as prefabricated chimney heads at the Zeven location. Shaft and ventilation stones are used for ventilation and as an enveloping shaft for exhaust pipes.

Since 1935, Sealmaster bearings are the industry's preferred bearing product, known for its premium-quality mounted ball-bearing line, as well as its mounted roller bearings.

Sensaphone is a HVAC solutions company based in Aston, Pennsylvania, USA. They offer a comprehensive line of remote monitoring products that safeguard valuable assets by tracking critical environmental data such as temperature, humidity and power failures.

Sensor Electronics Corp. is a renowned provider of digital gas detection systems that monitor combustible gas, toxic gas, and oxygen deficiency. They also manufacture toxic and explosive gas detectors, along with gas analyzers with over 75+ gas sensors.

SFA Saniflo North America — whose France-based parent company, SFA Group, originated macerating plumbing technology — offers a complete line of waste and drainage pumping systems for residential, commercial and industrial applications. SFA Saniflo developed its innovative “above-floor plumbing” technology 65 years ago and has led its commercialization worldwide.

AIKO is a new energy technology company that focuses on R&D and manufacturing of PV core products and integrated solutions for power generation, storage, usage, providing customers with solar cells, ABC (All Back Contact) modules and scenario-based solutions.

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.

Shook Mfg. Products Inc. specializes in fasteners and tools for over fifty years now. They provide products with high-quality design, performance and usability. Their range of products include tools & hardware for the HVAC/R, roofing, and many other home improvement industries.

Shortridge Instruments Inc. is a renowned US-based manufacturer of AirData Multimeters, FlowHoods, HydroData Multimeters, Air Balance Instruments and Water Balance Meters.

Sika USA Inc. is a renowned manufacturer of flow switches and flow meters. The company emphasizes on reliability and innovative design in small, low cost instruments for chillers and heat pumps. They also provide flow measurement instruments, electronic measuring and mechanical measuring instruments.

Smart Service is a US-based provider of HVAC software solutions for a wide range of applications. Smart Service adds scheduling, dispatching, and more to QuickBooks, helping companies streamline their operations and eliminate waste.

Solatube International, Inc. has revolutionized the way daylight is brought into a building. Known as a tubular daylighting device (TDD), their products are a compact and leak-proof alternative to traditional skylights, virtually eliminating glare and minimizing solar heat gain. Solatube tubular daylighting systems are modular and can be installed in hard-to-reach spaces and rooms, skirting obstacles where skylights can’t reach.

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.

Streamlight Inc. is a renowned manufacturer of quality portable lighting products including a broad range of rechargeable and alkaline battery, precision-engineered flashlights and lanterns.

Superior Sensor Technology was established with the objective to revolutionize the high-performance, cost-driven pressure sensor market by developing integrative, high-performance, cost-efficient solutions for industrial, HVAC and medical applications. The company’s technology is based on a proprietary architecture called NimbleSense™, that significantly improves overall sensor performance and adds exclusive application specific system features.

For over 60 years, Superior Signal Company has provided quality products at attractive prices. Superior Signal specializes in manufacturing smoke generating devices and ultrasonic instruments.

Swegon Group is a pioneer in energy-efficient ventilation and indoor climate products and systems. It offers solutions for ventilation, heating, cooling, and climate optimization.

Wireless, waterproof data loggers with network interfaces for automated, error-free data uploading to TandD's free WebStorage Service, or Bluetooth models for direct uploading to your iOS or Android Smart Device with free Apps. Four channel graphing models available for voltage and temperature.

Testo is a supplier for HVAC industries, refrigeration, airflow and environmental monitoring instruments for markets as diverse as chemical, food and beverages, pharmaceutical and biotech. Testo provides portable instruments for combustion analysis, temperature, air velocity, humidity, pressure, data logging, thermal imaging, sound, RPM, visual inspection, moisture, refrigeration and IAQ.

Thin Air Energy are renowned for creating best in world power storage and lighting products for use in emergency, camping, and harsh environment markets.

Timilon Corporation is an innovative and rapidly growing company, focused on the development and commercialization of proprietary nano-chemistry technologies and materials. The primary performance capabilities of the materials are to destroy, neutralize, eliminate, and/or protect against a wide variety of toxic chemicals, noxious odors, and biological hazards.