AFNOR is an international services delivery network that revolves around 4 core competency areas: Standardization, Certification, Industry Press, and Open-Learning courses.

The John Albritton Company is a non-stocking manufacturer representative serving the HVAC/R industry. They provide GRASSLIN / INTERMATIC timers, defrost controls plus surge and brownout protection devices, MIDCO makeup and lo-nox gas burners, DOUCETTE heat exchangers and heat recovery and many more.

AMASCAL's aim is to establish a channel of communication between the different sections of the distribution that goes from the manufacturer to the small stores.

American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver clean natural gas throughout the United States of America (USA).

The skilled trades of plumbing, heating, cooling and electrical keep our country running. Jobs in these industries are in high demand and come with great pay, career opportunities, and job security. Explore The Trades helps to discover that these careers aren’t just a choice – they’re the best choice.

Federal Association for Combined Heat and Power aims to increase the efficiency of energy conversion in order to conserve resources and reduce emissions that are harmful to the environment and the climate. The association strives for the broadest possible social alliance, which should also be reflected in the membership and the composition of the board.

The Bundesverband Bioenergie eV (BBE) is the umbrella organization for bioenergy. It was founded in 1998 in order to give the diversity of bioenergy with all its manifestations and technological paths in the electricity, heating and transport sectors an effective representation in politics and society.

Federation of German Heating Industry owns 117 companies and 2 associated associations. Similar to the German engineering industry, the German heating industry is structured as a medium-sized company. The members of the BDH also include world market leaders with annual sales of between 2 and 3 billion euros. In 2020, the BDH member companies generated a total of 16.2 billion euros and employed 76,900 people.

The Central Association of Sanitary, Heating, Air Conditioning (ZVSHK) is the professional organization, trade association and interest group for the HVAC trades in Germany. The ZVSHK is the founder and sponsor of the world's leading trade fair ISH .

Heat Pump Federation lobbies government for long term policy supporting the electrification of heating and cooling, works to raise awareness, understanding and confidence in heat pump technology across both domestic and commercial sectors, and collaborates with government, industry and consumers to make this a reality.

The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for ninety three years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world. They're recognized for Uniform Codes and offers plumbing, mechanical, solar energy, swimming pool and hydronic code convenience.

Industrial Combustion is a manufacturer of burners designed for commercial, industrial, and institutional applications. Their burners are developed to deliver an impressive return on investment.

The Institute of Refrigeration provides a central resource for people from all over the world to improve the application of refrigeration and allied fields for the general good of society with particular emphasis on environment, efficiency, safety, and innovation.

Maitz Home Services is listed as an essential business and are OPEN. They take extraordinary precautions to assure the safety of the employees and the clients.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

NAFFCO was founded in Dubai, UAE to become the world's leading producer and supplier of life safety solutions. By recognizing the importance and convenience of having easy access to multiple safety services, we became specialized by offering complete solutions under one roof for all types of high-quality firefighting equipment, fire protection systems, fire alarms, addressable emergency systems, security systems, and custom-made vehicle.

The North American Electric Reliability Corporation (NERC) is a not-for-profit international regulatory authority whose mission is to assure the reliability and security of the bulk power system in North America. NERC develops and enforces Reliability Standards; annually assesses seasonal and long‐term reliability; monitors the bulk power system through system awareness; and educates, trains, and certifies industry personnel.

NAIMA is a non-profit certification program for technicians in the heating, ventilation, air-conditioning, and refrigeration (HVACR) industry and the only test supported by the entire industry.

OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats. It consists of a communication protocol and an interface specification. The OpenTherm communication protocol is primarily designed to control modulating heating appliances. The protocol is available to members of the OpenTherm Association only.

Storengy is a subsidiary of the ENGIE Group, which is active in natural gas storage and renewable gas production and storage.

Founded in 2003, Utilita was created to challenge the Big 6 energy suppliers by empowering everyone with a fair and flexible service that’s good for the pocket and planet.

Zukunft Erdgas (Future of Gas) is the initiative of the German gas industry. They represent the brand and the product natural gas, as well as green gas and are contacts for politics, market partners, consumers and the media. They are involved in natural gas, power generation, heating market, heating, biogas, biomethane, hydrogen, power plants, fuel cells, LNG and power-to-gas technologies.