Controls Group North America (CGNA) is an elite organization of the top distributors and manufacturers in the controls industry. The marketing, technology and networking opportunities provided through the group contribute to the undeniable pursuit of excellence for every member.

Copper Development Association, Inc. (CDA) is a U.S-based, not-for-profit association of the global copper industry, influencing the use of copper and copper alloys through research, development and education, as well as technical and end-user support.

Corning Incorporated (Corning Inc.) s one of the innovators in materials science, with a 167-year track record of life-changing inventions. Corning applies its unparalleled expertise in glass science, ceramics science, and optical physics along with its deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people's lives.

Cosaf is a pioneering expert in the application, design, installation, and commissioning of pioneering-edge evaporative cooling, heating, smoke/fire ventilation, and air conditioning (HVAC) systems. Combining 30 years of heritage with considerable experience and expertise has enabled Cosaf to develop systems and services that have been specifically designed to minimize energy consumption while maximizing both free cooling and heat reclamation.

What is the Cryogenic Society of America The only full-time technical and trade association concerned solely with cryogenics, cryogenic engineering and the cryogenic industry. We publish Cold Facts magazine six times per year and the CryoChronicle enewsletter monthly.

CSA Group is dedicated to testing for safety, social good and sustainability across key business areas and specialized markets and technologies.

CSD provides all services for the air conditioning, ventilation, and refrigeration industry. The company is certified for BESA, Avetta, Safe Contractor, and REFCOM Elite. CSD is Daikin D1 partner, engineers hold a minimum of level 2 city and guilds RAAC and are all certified in FGAS 2079, IPAF 3a/3b, and PASMA and trained in health and safety.

D-Tech Sales are the HVAC/R manufacturer's representative covering California, Nevada, Arizona and Hawaii representing Eaton B-Line, Hartell Pumps, CFM Fans, Fieldpiece Instruments, REFCO, Panasonic HVAC, Williams Comfort Products, Sensible Products, Dow Products, EWC Controls, Eaton-Edison & BMP Refrigerants.

SAM Pro Enterprise provides an integrated service management, wireless workforce and job cost accounting software for service, construction and national accounts.

With around 600 colleagues, Deutsche Messe organizes more than 150 trade fairs and events at home and abroad every year. It is a global event organizer whose events and services have been bringing together exhibitors and visitors since 1947. Deutsche Messe has helped numerous small enterprises to become world market leaders, while at the same time supporting large-scale enterprises on their road to further expansion.

Dexter + Chaney provides web-based software that allows contractors to get work done anywhere using any device, and without the need to download any software.

DigiCert is the only provider of enterprise-grade SSL, IoT and PKI solutions. The world’s top banks, e-commerce retailers, healthcare providers, manufacturers and technology companies rely on us to secure their digital properties and to protect the privacy and data integrity of their consumers. Computerworld named DigiCert one of the Top 100 Places to Work in IT.

Digital Twin Consortium is a global ecosystem of users ,who are driving best practices for digital twin usage and defining requirements for new digital twin standards. It coalesces industry, government and academia to drive consistency in vocabulary, architecture, security and interoperability of digital twin technology. It advances the use of digital twin technology from aerospace to natural resources.

Donnelly is the most reliable mechanical contractor in New York City. Donnelly gives the clients peace of mind. Donnelly does this by providing the most innovative services and solutions through the experienced team. New York City’s premier provider of HVAC service, maintenance, and construction, as well as energy solutions.

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.

East Hill Heating & Cooling is family owned and operated, providing King County, Puyallup, Sumner, Kent, Renton, Covington, Maple Valley, Auburn, And Federal Way with standard heating and Cooling service since 1939.

As Britain’s biggest generator of zero carbon electricity, EDF is working 24/7 to help the United Kingdom (UK) reach Net Zero carbon emissions. They are busy generating zero carbon electricity from wind, nuclear and solar to help cut UK carbon emissions to nothing.

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.

The EEBUS Initiative e.V. is an organization with over 60 members who are the stakeholders in all fields of connected home, electrical mobility, energy and smart appliances. Members of EEBUS collaborate in various working groups to establish a standardized and common language for the interoperability of connected devices.

Founded in 1914, the EDA is the trade association for electrical wholesale distributors in the UK. Wholesale distributors are the essential link between manufacturers of electro-technical products and the electricians and electrical contractors who install them. The EDA supports and represents UK wholesalers, who join as Members, with Affiliated Membership open to manufacturers and service providers.

Elite Software is the premier software developer for HVAC, electrical, plumbing, and fire protection design software. Over 30 programs are offered for such applications as HVAC load calculations, building energy analysis, HVAC duct and pipe sizing, plumbing & lighting design, fault current calculations, voltage drops, fuse and breaker coordination, and much more.

Embraco is a global company that promotes quality of life through innovative cooling solutions. Embraco provides cooling solutions for household, commercial, such as medical and retail applications, and aftermarket segments.

The Energy and Utilities Alliance (EUA) is a not-for-profit trade association that provides an industry voice to help shape the future policy direction within the energy sector. It acts to further the best interests of its members and the wider community in working towards a sustainable, energy secure, and energy-efficient future.

The Energy Coordinating Agency (ECA), a non-profit, is a regional pioneer in the delivery of energy efficiency services for residential stock. Since its founding in 1984, ECA has helped to improve the energy profile of over 45,000 buildings. ECA administers energy efficiency programs for utilities and government, including the Home Comfort program, the Weatherization Assistance Program program, and the LIHEAP CRISIS program.

Energy Efficiency Resources (EER) hub of solutions helps homeowners and businesses achieve energy savings they never thought possible by bringing together national account resources and scalability, coupled with utility rebates for everyone.

The Engineering Construction Industry Association (ECIA) is the principal trade and employer Association for the UK engineering construction industry. The ECIA provides its members with a collective voice to represent their interests on all matters affecting their industry. They provide Industrial Relations, Health & Safety, Best Practice, Taxation, NAECI Agreements, Membership, Welfare, Employment Relations, and Employment Law.

The Environmental Protection Agency is an independent executive agency of the United States federal government tasked with environmental protection matters.

EPIC-FSC is a 501(c)(3) nonprofit organization dedicated to helping Calabas residents mitigate risks, survive emergency events, and recover from fires, earthquakes, and other natural disasters.

ESCO Group provides over seventy industry certifications, curriculum, customized training, educator credentialing, professional development, publications, software, accreditation, and modular training programs for HVACR and building science industries.

ESCO Institute provides HVACR educators and trainers with certifications, assessments, software, text books, reference guides, curriculum, training packages, and sustainable services.