For over 30 years, Duct Doctor USA has been providing quality air duct cleaning for both residential and commercial customers. Duct Doctor was founded by a board-certified allergist in 1985 with a mission to improve the air quality of homes and workplaces.

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.

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.

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.

E Flow Technologies is a global company which produces the energy efficient fan-packs for a vast variety of AC & EC motor solutions and a quick return on investment for HVAC, refrigeration, ventilation and engine cooling industries.

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.

With over 20 years’ experience, EasyAir has an in-depth knowledge of saving their clients' energy by designing and installing heat recover systems. They also provide unique, site specific commercial kitchen heat & smoke extract, fume extract, dust extract, paint & varnish fume extract as well as bespoke turnkey air conditioning systems.

Eco Therm provides solutions like Conditioning, Ventilation, Fire Fighting, etc and is based out of Italy.

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.

Ecoair System Srl provides solutions like Humidification, Ventilation, Air Filtration, etc and is based out of Italy.

EcoVadis is the world's most trusted provider of business sustainability ratings. Global supply chains, financial institutions, and public organizations rely on EcoVadis to monitor and improve the sustainability performance of their business and trading partners.

Since 1975, EDOS Manufacturers' Reps Inc. has represented only the finest manufacturers and marketing products available to the New York and New England plumbing and heating industry.

Since 1999, Elite Cooling, Heating & Plumbing has been serving Bradenton, Sarasota, and Manatee counties with top-quality HVAC and plumbing services. With more than 30 years of experience, their licensed and insured team provides quality work and great customer service every time.

For more than forty years, Elta Fans has been at the forefront of the industry as a result of technological advances in fan design and engineering, providing customers with a wide spectrum of products for a large variety of applications.

From energy-efficient Copeland Scroll compressors to highly precise Sensi thermostats to cutting-edge electronics and heating technology, Emerson residential and commercial solutions set the industry standards for superior levels of indoor comfort.

EMS Ice, Inc. provides a total cleaning solution for customers while meeting or exceeding quality standards at a competitive price. EMS Ice was founded and incorporated in 1996; providing an environmentally engineered solution for difficult cleaning, coatings removal, and surface preparation problems.

ENERGAIR is the sustainable compressed air management arm of CMC – the global experts in compressed air control, performance and monitoring solutions. Harnessing almost four decades of knowledge and experience, and tapping into CMC’s growing range of brands, products and technologies, ENERGAIR provides a fully integrated compressed air management service that focuses on helping customers reduce their compressed air-related carbon footprint.

EnergiVault CTES technology adds a range of capabilities to industrial chiller operation including electrical load shedding and load shifting, use of on-site generated renewables, and the capability to benefit from grid-level support payments. The technology adds a whole new range of capabilities to industrial refrigeration by enabling flexible charging and discharging of cold thermal energy.

Enginuity Power Systems provides innovative engineering methodologies for HVAC and plumbing design, and application in practical ways to design projects using sustainable design principles and the integrated design process.

enVerid Systems, Inc. is a globally renowned provider of HVAC Load Reduction (HLR) solutions. HLR technology enables immediate capital cost savings on new HVAC systems and provides up to 40% energy savings and superior indoor air quality. Deployed in nearly 10 million sqf of commercial, academic, and government buildings, enVerid’s HLR technology is ASHRAE-compliant, LEED-compliant, and eligible for utility rebates.

EnviroKlenz products feature patented earth mineral technology comes in contact with a toxic smell or chemical compound, they actively and safely neutralize the harmful compounds without the use of masking agents or toxic chemicals. Odors are completely eliminated, and irritants are totally removed from the air, and all without any unnecessary fragrances or perfumes.

Esser Plumbing & Heating (Aire Serv of Fargo - Esser Plumbing) perform commercial and residential installations and services throughout the Lakes Area in Minnesota and the Fargo-Moorhead area. They provide heating installation and repairs that includes furnaces, geothermal and ventilation, residential plumbing, drain and sewer services, such as cabin winterization, bathrooms, kitchens, water heaters, water softeners, pipe repair and more.

A healthy environment and planet are top priority for everyone. That's why eSunshine Cleaning uses organic, natural, and non-toxic cleaning products to clean spaces. They currently clean for over 60 customers on a regular basis and they're growing! The company takes pride in their work, and aims to deliver the best cleaning experience every time they clean any space.

At Eucos, they are a Friulian company specialized in the installation and maintenance of technological systems since 1903.

Founded in 1993, Eurovent Certita Certification is recognized as a world class organization in the field of third party product performance certification for Heat Ventilation Air Conditioning and Refrigeration products. They include HVAC-R consultants, Energy Engineering offices, Architects and product end-users, the most comprehensive data base of certified products, covering up to 40 product families.

Evergreen Air Conditioning Ltd has been providing comprehensive Air Conditioning Solutions across London and The Home Counties, in the United Kingdom. From the initial survey through to the completed installation, their dedicated team ensure that their clients experiences with them, always exceed expectations.

Exyte Hargreaves is the UK’s renowned provider of specialist high-integrity bespoke ventilation and hydraulic systems and ultra high-purity pipework solutions.

For over 35 years, Faulkner Haynes & Associates have been the premier provider of commercial HVAC and IT Infrastructure Power and Cooling solutions in the Carolinas. They are headquartered in Raleigh, NC and have locations in Asheville, Charlotte, Greensboro, and Wilmington, NC as well as, Columbia, Charleston and Greenville, SC, USA.

FG Mechanical Building Services provide consulting, HVAC, and building management services in Northern Ireland.