Located in St. Louis, Missori, U.S.A., Ductformer Inc. is a manufacturer of machinery for the Duct Fabrication Industry. They manufacture sheet metal and duct fabrication machinery including rollformers for duct flanges, slip and drive cleats, Pittsburgh, and snaplock seams.

With manufacturing and distribution facilities dotting the planet, Ductmate is one of the largest HVAC system components manufacturers in the world, and the largest in the United States. They are pioneers in innovative duct and HVAC solutions, making Ductmate the single-source solution provider for engineers and contractors, worldwide.

DuctSox is a manufacturer of textile air dispersion products for open and finished ceiling architecture, critical environments, and under floor applications. DuctSox Products are a cost effective, aesthetically attractive alternative to metal ductwork and diffusers. DuctSox Systems are 100% custom made, starting from the engineering design to the manufactured product.

DUCTZ has been providing industry-leading air duct cleaning and HVAC restoration services for residential and commercial properties alike.

Duncan Supply Company, Inc. is a wholesale distributor of refrigeration, air conditioning and heating, & food service equipment & parts,

Dunphey-Smith takes pride in delivering not only quality service but also the best value and brand names in heating and cooling products.

Duquette Refrigeration has provided commercial refrigeration and HVAC service, installation, and 24/7 emergency repair to businesses throughout New England since 1986.

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.

Duratrac, Inc. provides a host of professionally engineered connectors designed to perform optimally with your residential and commercial gas and water heater applications. All Duratrac flex features durable stainless steel construction without tapering at the ends to help insure optimal flow, while our end fittings and valves are zinc iridate plated to prevent corrosion

Durkee® is a multi-national high-tech enterprise with a focus on offering solutions of high quality elastomeric thermal insulation, customized fabric air ducting and A/C system integration in the HVAC/R industry over the past 25 years.

Dust Free manufactures a wide variety of air purification equipment designed to help allergy patients in both residential and business locations. They also provide Ultra-violet (UVC) residential and commercial fixtures, Electrostatic air filters, room air purifiers, ceiling mounted air purification systems, industrial fan powered air cleaners, ultra-violet light fixtures and many more.

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.

Founded in 1859, the Deutscher Verein des Gas- und Wasserfaches is the German association for gas and water with headquarters in Bonn. Its official English translation is the German Technical and Scientific Association for Gas and Water.

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 + E Elektronik Ges.m.b.H develops and manufactures sensors, transmitters, hand-helds and data loggers for relative humidity, moisture in oil, dew point, air velocity, flow, CO2, temperature and pressure. E+E operates a nationally accredited calibration lab and is appointed to maintain the National Standard for Humidity and Air Flow Speed in Austria.

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.

The E.ON Group is one of Europe's largest operators of energy networks and energy infrastructure and a provider of innovative customer solutions for 50 million customers. Thus, they are decisively driving forward the energy transition in Europe and are committed to sustainability, climate protection, and the future of the planet.

Compressed air is one of the most expensive forms of energy and yet its consumption represents an unknown quantity in many industrial companies. Use of flow meters for compressed air measurement can help to significantly reduce energy costs and forms an important basis for investment decisions.

Eagle Mechanical, Inc. is a HVAC, plumbing, process and piping mechanical contractor with 30+ years’ experience. They help customers to purchase, install, maintain or replace any heating, air conditioning, refrigeration and plumbing systems. They specialize in industrial and commercial facilities, like hospitals, office buildings, schools, and government facilities.

Earth City Distributing is a renowned distributor of HVAC solutions and equipment with headquarters located in Chesterfield, Missouri, USA.

Eastern Steel Manufacturing Co., Ltd manufactures and distributes seamless steel pipe, welded steel pipe, OCTG products and fittings. They supply first-step processing, semi-finished parts and finished parts to help our clients meet fabrication requirements beyond their capacity or to improve operations by moving forward the pre-production processing.

Easyflex is the leader of all things flexible. We’re a global leading manufacturer and distributor of flexible, corrugated stainless steel products. Through technological innovation, attention-to-detail, and stringent quality control, we manufacture and deliver superior products to customers worldwide.

As the major supplier of ventilation and drive technology, ebm-papst is a highly respected engineering partner in many industries. With around 20,000 different products, they provide the right solution for just about any requirement. They have always worked to the highest economic and ecological standards. With GreenIntelligence, ebm-papst offers intelligently interconnected complete solutions that are second to none around the world.

ebm-papst is an innovator and a market pioneer in fans, blowers, and motors with core competencies in motor technology, aerodynamics, and electronics. They provide solutions to a wide range of markets including Air-conditioning and Ventilation, Appliance, Commercial Refrigeration and more.

ECCO Heating Products Ltd. was incorporated in 1960 with the vision of becoming the best in sheet metal manufacturing as well as the distribution of Heating, Ventilation, Air Conditioning (HVAC) and related products.

For over forty years, ECE UK has been committed to providing for the needs of our customers. They started life in 1979 as the ambition of Fred and Jean Hull. From their first day in business, their commitment to emphasizing health and wellbeing in the design of their air handling units has put them ahead of the curve. They pride themselves on delivering the best indoor environment possible with a custom solution that increases the quality of air.

ECM Technologies' simple and effective HVAC energy conservation measures are guaranteed to help reduce energy consumption. The company has treated thousands of square feet of cooled facilities across the sunbelt with ThermaClear to help building operators reduce energy use, lower electrical costs, reduce carbon emissions, and improve overall cost of ownership of critical HVAC equipment.

Eco UK Group, originally established as Lutterworth Electrical in 1971, provides electrical services to the domestic and agricultural markets. Driven by the demand for high quality, energy efficient industrial luminaires, they provide high performance turn key solutions, LED lighting solutions, energy saving solutions and electrical contractor services.

Ecohillers have been Involved in a wide range of applications and markets. have the knowledge of what works and what questions to ask to ensure optimal operation and integration of system.

Founded in 1976, ECOFIT which became ROSENBERG VENDÔME, designs, manufactures and sells electrical motors and fans. Since 40 years, our specific know-how in electrical motors and fans provides an expertise to offer smart solutions for any ventilation application.