Degree Day is an ISO 9001:2015 certified Indore-based Air Conditioning firm, which provides one-stop HVAC system solutions and consider themselves to be one of the major organizations for Design and Project Execution of Ventilation, Refrigeration and Air Conditioning applications.

Since 1971, Delta Cooling Towers has been the leading manufacturer of High Density Polyethylene (HDPE) cooling towers, air strippers, and water storage tanks. They are seamless, they do not leak or rust, and are impervious to any water treatment solution.

Delta Thermal Solutions, Inc. is located in Jackson, Mississippi, United States of America and is part of the Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers Industry.

DeltaTrak, Inc., is a globally renowned innovator of cold chain management and temperature monitoring solutions. Their product line includes a wide range of temperature and humidity data loggers and wireless systems. They also have portable environmental test and measurement systems, including thermometers-digital and infra-red, temperature/humidity monitoring and recording devices and wireless systems in their inventory.

Deltrian (Deltrian International) is specialized in the filtration field for over 50 years. Thanks to its experience, the company is an expert in the air-quality management in various fields such as food-processing, automotive, microelectronic and pharmaceutical industries, and also in hospitals.

Dennis Supply Co. is a renowned wholesale HVAC equipment and solutions company. Their product portfolio includes HVAC equipment, accessories, air quality products, control equipment, motors and drive systems, refrigeration products, meters, tools, instruments, chemicals, and hydronics.

Dennis’ Heating and Air Conditioning, Inc provides HVAC Installation, Retrofits, Service and Maintenance, as well as a full service sheet Metal Fabrication Shop. They are capable of fabricating almost anything, if customers can draw it, they can build it. The company is known for their knowledge, reliability, and incredible customer service.

Denso is manufacture and assembly of heating, ventilation, and air-conditioning units and engine cooling modules.

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.

With more than 30 years experience in humidification, Devatec offers a complete range of humidifiers. Recognized for their reliability and high technology, Devatec's products are the perfect solution for your humidity's problems.

Dexen supplies heating components to OEMs in HVAC and Hearth industries. They are also renowned providers of gas control systems and remote monitoring systems for the HVAC industry. Their products include gas valves (millivolt, 3V, 6V, 24V), electronic ignition control modules, pilots and supplemental components. Our services are in quality management, warehousing, logistics, engineering consulting and custom applications.

DFW IT Partner is a Reliable IT Partner providing one-stop IT solutions in Dallas, Austin, Fortworth, Houston, and San Antonio, Texas, USA. They provide businesses with the expertise, resources, and support needed to drive innovation and stay ahead of the competition in today’s fast-paced digital landscape. By working with them, businesses can achieve their technology innovation goals more efficiently and effectively.

DHD Cooling offers a full service capability to the manufacturing, HVAC, thermal power plant, industrial and chemical industries, offering a bespoke service tailored to one’s exact cooling tower system requirements.

DHL Group is the world's pioneer logistic company. The DHL Group connects people and markets and is an enabler of global trade. It aspires to be the first choice for customers, employees and investors worldwide. To this end, the Group focuses on growth in its profitable core logistics businesses and accelerating the digital transformation in all business divisions.

Founded in 1988 with offices in Kansas City, Austin and Denver, Dialectic is a non-traditional mechanical, electrical and plumbing engineering firm that brings buildings to life. With deep expertise in a range of verticals – including distribution, cannabis, multifamily, senior living and retail/restaurants – they know that true success comes with partnering as an extension of the team.

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.

DNV GL is a global quality assurance, software solutions and risk management company. They provide classification, technical assurance, software and independent expert advisory services to the maritime, oil & gas, power and renewables industries. They also provide certification, supply chain and data management services to customers across a wide range of industries.

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.

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.

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.

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.

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.

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.

EcoFlow Tech is a revolutionary mobile power company that is reinventing the way the world accesses energy. As makers of industry-first, smart and powerful mobile power products, EcoFlow’s mission is to harness new technologies to foster inclusion and help raise standards of living in areas of the world where power shortages stunt economic growth and development.

EcolightingUK offers a versatile product range using the latest LED technology, creating bespoke solutions for any number of applications. They are Carbon Trust, ISO9001 and ISO14001 accredited, meaning they are fully committed to offering exceptional service, quality, technology and value.

EcoSync is a multi-award winning Smart Temperature Control System, born out of Oxford University. With EcoSync, businesses can reduce their heating-related carbon emissions and energy bills by up to 50%. It achieves this by synchronizing heating with occupancy levels, on a room-by-room basis. With added control over temperature settings, businesses can improve energy efficiency, boost their sustainability profile & lower their heating bill.

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.

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.