C&S Air Products is focused on delivering quality products, on time and at competitive prices. With its large assortment of products, C&S can satisfy a wide range of project requirements. Their skilled and versatile staff can ensure that all engineering and customer service challenges are met quickly and efficiently.

Caleffi North America Inc. are renowned manufacturer of high-quality components for heating, plumbing, air conditioning and renewables systems, for domestic and industrial plants. They also provide separators, manifolds, balancing valves, mixing valves, motorized zone and ball valves, vents, collectors, tanks, controllers, pump stations for hydronic, geothermal and solar thermal systems.

Get first-rate electronic test equipment from Calright instruments for all test and measurement needs. They are a service-disabled veteran-owned small business that strives to deliver premium products sourced from some of the most renowned manufacturers on the market. Whether looking to buy, rent or lease new electronic test equipment, used test equipment or refurbished test and measurement equipment, they are the right source for all needs.

COSA is a not for profit organization that provides educational programs in the areas of carbon monoxide and combustion analysis. These programs are provided to people in the medial field, first responders, and the mechanical trades.

CE Mechanical is premier HVAC mechanical contractor, specializing in comprehensive services, including installation, maintenance, retrofits, and tenant improvements. With a dedicated focus on quality and customer satisfaction, they proudly serve all of Southern California. CE Mechanical’s innovative solutions help to lower operating costs, reduce capital expenditures, and maximize value for their clients.

Jarrell is a full-service mechanical contractor that works with general contractors, owners, developers, architects, and manufacturers in the St. Louis area and across the United States.

As a locally owned and operated company, Climate Control Systems stands behind their work. Owned and operated by the same family for over 50 years, they provide customers with the best HVAC service in Frankfort and the surrounding areas. All of their technicians are trained and skilled. They perform background checks on all the employees to ensure the homes and businesses are safe in their hands.

Comfort Solutions HVAC, a locally owned and operated residential heating and cooling company, prioritizes the well-being of its customers. Their expertise lies in ensuring comfort within the confines of homes, excelling in top-notch service, maintenance, and replacement of residential heating and air conditioning systems.

Concept Technology provides electronic controls for vacuum, superheat, and subcooling measurement. They also provide custom electronic design and manufacturing of all types of electronic products and associated machined parts.

Condair is the global leader in humidification, dehumidification and evaporative cooling. Supported by science, they engineer individual, holistic solutions that customers can trust through the entire lifecycle. With optimal humidity, we increase productivity and create healthier built environments.

Cool Air Products is a US-based producer of HVAC solutions with problem-solving products that are cost effective and efficient. The company’s revolutionary brands, with patented technology, such as SmartSeal, SmartShot, Combat P-Trap, and Sigma Cap, are part of its product lineup. These include products for AC leak prevention and repair, additives, condensate management, capacitors, and specialty chemicals.

CPS Products, Inc. serves multiple industries with application-built, industry-specific innovations and advancements in technologies and products. The CPS product development team consists of engineers across all fields: electrical, mechanical, software and chemical and even HVAC/R. In addition, CPS invests heavily in industrial design so new product solutions reach state-of-the-art in aesthetics and ease-of-use.

CSW Industrials is a diversified industrial growth company with a portfolio of industry-leading businesses in Industrial Products and Specialty Chemicals. Their products include mechanical products for heating, ventilation and air conditioning (HVAC) and refrigeration applications; coatings and high-performance specialty lubricants.

When it comes to cooling tower manufacturers-- in USA --look no further than Delta Cooling Towers. As a corporation, we pride ourselves on keeping a finger on the pulse of the newest innovations in industrial cooling towers that offer our customers safety, efficiency, and durability.

DenPro HVAC believes in exceptional customer service and setting the bar high in the industry. They are a locally owned and operated HVAC company serving south central Pennsylvania. From standard preventative maintenance to full replacements, both residential and commercial, they cover all HVAC needs.

Done-Rite Plumbing & Rooter is the premier plumbing company in Orange, California, USA. They are a full-service plumbing contractor offering everything from water heater installation & repair, drain cleaning sewer line repair & installation, and general plumbing services. They service the entire Orange County area and can be out to any property in the area same-day for plumbing services.

Duct & Vent Cleaning of America, Inc. was founded in April of 1989 by Ron Eckman. As early as February of 1990, Duct & Vent Cleaning of America, Inc. joined NADCA, the HVAC Inspection, Maintenance and Restoration Association. In fact, they were the first company to be allowed membership that used portable hepa vacuums in the cleaning process.

DunAn Sensing offers high-performance OEM pressure sensors, transducers, and transmitters with MEMS packaging technology compatible with harsh media.

Dura Products, Inc is a state-of-the art Indiana based manufacturer of metering, pumping and dispensing systems for the DEF, AG, and turf Chemical industries. Founded by owners with decades of knowledge in farming and the chemical sales industry, Dura Products Inc goes beyond excellent design to incorporate innovative, versatile and durable transfer pump solutions with the end consumer always in mind.

Established in 1995, Dusty Ducts, Inc. is certified as a minority-woman-owned-small business. As a Michigan corporation we provide HVAC Restoration, Indoor Air Quality and Energy Conservation for clients throughout Michigan and across the Midwest United States.

Dwyer Instruments Inc. are manufacturers of multiple products from different markets like HVAC, building automation, valve automation, etc. Their products include gauges for pressure, flow, level and temperature.

E Instruments International by Sauermann designs, manufactures and markets a complete range of innovative instrumentation solutions encompassing Combustion Gas Analyzers, Emissions Analyzers, Indoor Air Quality, and Calibration equipment especially designed for the power, process, industrial, institutional, food, and HVAC markets.

Envirovac was established in 1991 and has become the major air duct cleaning professional in Jacksonville, Atlantic Beach, and Gainesville, Florida, USA. They have developed and maintained this market leadership by constantly seeking technological innovations to better provide their customers with high-efficiency equipment to increase reliability and reduce operating costs.

Eric Braun Plumbing & Heating are trusted local experts in Branchville, New Jersey, for all plumbing and heating needs! They specialize in comprehensive solutions, including installing, maintaining, and repairing water heaters and boilers. Their skilled team also excels in kitchen and bathroom renovations, ensuring top-quality craftsmanship for new construction and remodeling projects.

Essential Electric is one of the major power distribution suppliers in the United States of America (USA). As trailblazers in the power distribution sector, their area of expertise lies in need-it-now parts, such as circuit breakers, motor controls, fusible switches, bus plugs, transformers, and fuses, to name a few among the 60,000 (new and recertified) items that they stock.

A manufacturer and supplier of premium hand tools for HVACR, plumbing, metal roofing, siding, sheet metal and industrial markets since 1934.

Since 2015, Everlast Air Conditioning and Heating's clients trust them for top-notch air conditioning service. At Everlast Air, they’re proud to offer top-rated HVAC services to keep their clients happy. They’re committed to meeting their needs and building trust with every interaction. Their equipped vans handle air conditioner repairs on the spot.

Evoqua Water Technologies is the global leader in helping municipalities and industrial customers protect and improve the world’s most fundamental natural resource: water. Evoqua’s unparalleled portfolio of proven brands, advanced technologies, mobile and emergency water supply solutions and service helps cities across the world provide and discharge clean water, and enable leisure and commercial industry to maximize productivity.

Expanded Technologies’ sole focus is the manufacturing of quality expanded metals for the HVAC/IAQ filtration industry. They meet and exceed customers’ specifications and requirements at a competitive price.

FABRICATED TUBE PRODUCTS is a leading North American manufacturer of complex tubular assemblies and fabrications. With over 25 years of experience with a wide range of tubing shapes and materials, including copper, aluminum, brass and steel, FTP is uniquely positioned to provide their OEM partners with everything from one-time job shop orders and prototypes to high-volume production runs of the most complex tubular fabrications.