Ritchie Engineering Inc. offers a complete line of HVAC&R service and installation tools including recovery, vacuum pumps, hoses, test and charging manifolds, gauges, leak detection and electronic testing equipment, and service tools.

Rockwell Automation helps manufacturers to succeed and grow with industrial automation control and information solutions designed to give the customers a competitive advantage.

SAWIN Service Automation, Inc. is a provider of turn-key business solutions designed specifically for the service and installation industry since 1984. They provide a wide range of HVAC solutions, including heating and cooling, refrigeration, plumbing, security alarms and building automation systems.

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.

SenTech Corp. is a renowned provider of single and multi-point refrigerant monitors for early warning of refrigerant leaks for CFC's, HCFC's, and HFC's without false alarms or the need for periodic calibration.

Spectronics Corporation is a manufacturer of fluorescent leak detection products and system additives for air conditioning and refrigeration systems. Their fluorescent dyes are OEM-approved, universal (POE), co-solvent free and NSF certified.

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.

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.

Thermal Gas System is the manufacturer and seller of 24x7 monitoring systems for refrigerant leaks, oxygen depletion, CO for parking or fleet facilities, using the latest photoacoustic infrared and CMOS options.

Toxalert is a manufacturer of gas detection systems. They provide carbon monoxide detectors, carbon dioxide detectors, toxic gas detectors, combustible gas detectors, IAQ sensors, refrigerant monitors and many more.

UEi Test Instruments designs, manufactures, market, service and support portable test equipment that every day enables thousands of professionals to do their jobs around the world. They provide Multi, digital, resistance, temperature, humidity voltage testers, leak detectors, combustion gas, and carbon monoxide analyzers.

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.

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.

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.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.

Western Allied Mechanical has been a pioneer in the construction industry for 50+ years as a mechanical contractor that specializes in design/build for bio-tech, high tech; retrofit and replacement; LEED and Green projects; and HVAC service and maintenance.

AirTest Technologies Inc. is a rapidly-growing Green Technology company that specializes in sensors that significantly improve commercial building operating efficiency. AirTest's leading-edge, proprietary sensor technologies improve the energy performance, environmental impact and return on investment for the millions of commercial and residential buildings.

AMWEI Thermistor Sensor design and manufacture PTC & NTC thermistors (THERMally sensitive resistors), thermistor temperature sensors probe. AMWEI started Thermistors business back in 1999, thorough successive hard work of a group of specialists in ceramic sensitive material, welding technology, packaging technology. They own core know-how in powder formula and key production technics.

Cubic is a publicly listed manufacturer specializing in high-quality gas sensors and gas analyzers. With over two decades of experience in air quality monitoring and control, Cubic has built a strong foundation in sensor innovation. Cubic is committed to driving the future of low-carbon thermal solutions with intelligent technologies that support cleaner, more efficient heating systems worldwide.

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.

Ace Instruments’ IAQ Detectors range empowers the new generation of sustainable buildings to continuously monitor indoor air quality with cutting edge instrumentation. Positive performance on major indoor air quality parameters has been linked to improved productivity, reduced operating cost and carbon footprints. Their extensive experience of over 30 years in manufacturing enables them to deliver customized solutions for unique IAQ applications.

INFICON provides industry-renowned tools for HVAC/R service, including refrigerant and combustible gas leak detectors, combustion analyzers, refrigerant charging scales, refrigerant recovery machines, and vacuum pumps. INFICON is a major provider of innovative instrumentation, critical sensor technologies, and advanced process control software that enhance productivity and quality in sophisticated industrial vacuum processes.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

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.