Kyung Dong Navien Co., Ltd. engages in the manufacture and sale of heating, ventilation, and air conditioning products. It produces and sells hot water and heating equipment, air conditioning and climate control system, and home network and zone control system. The company was founded on November 13, 1978 and is headquartered in Pyeongtaek-si, South Korea.

Robert Bosch GmbH engages in the development of the engineering and electronics sector. Its business sectors include; mobility solutions, industrial technology, consumer goods, and energy and building technology. The company was founded by Robert Bosch in 1886 and is headquartered in Gerlingen-Schillerhöhe, Germany.

Part of Rinnai Corp., Rinnai Korea Corp. is a South Korean company located in Inchon. The firm manufactures and wholesales gas ranges and boilers and kitchen appliances. It was founded in 1974.

Langfang Jinhua Boiler Co., Ltd., established on 2009-06-11, Business scope includesBlevel boiler(gas boiler,Oil boiler,Biomass boiler,Coal-fired boiler,New energy boiler,Modular Boiler,Energy storage electric boiler,Vacuum hot water boiler,electric heating boiler)manufacture,Install,transform,repair,Sales;Pressure Vessel Manufacturing,Sales;Ground source heat pump,Water source heat pump,air source heat pump,Central air conditioning unit,Energy storage electric heater,Electric heater,Gas wall-hung furnace,Ventilation equipment,Heat Exchanger,heat sink,Oil and Gas Burning Appliances,Boiler auxiliary equipment and accessories,Research and development of water treatment equipment,design,Production,Sales;Pipe installing;import and export of goods.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Suzhou Weibot Energy Environmental Protection Technology Co., Ltd., established on 2008-01-18, Business scope includes research and development,design,Production of efficient and environmentally friendly heating equipment,Research and development of energy and environmental protection control systems and software,Sell ​​the products developed and produced by the company and provide related installation,Technical Services;Building heating,Contract energy management related to energy saving;Wholesale of similar products produced by the company,import and export,Commission agent and provide related after-sales service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:Manufacturing of electronic components;Sales of electronic components and electromechanical components;General parts manufacturing;Mechanical Parts,Parts sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Unical AG SpA is engaged in manufacturing electronics. It products include boilers, solar panels, radiant panels, water heaters and floor heating systems. The company was founded in 1970 and is headquartered in Castel d'Ario, Italy.

Part of Robert Bosch Stiftung GmbH, Geminox SAS is a French company located in Saint-Thégonnec that provides plumbing and heating contract services.

Wolf GmbH manufactures heating and air conditioning equipment. It supplies climate control, ventilation and heating and solarthermics systems for industrial and commercial buildings worldwide. It offers gas & oil heating systems and biomass heating systems. The company was founded in 1963 and is headquartered in Mainburg, Germany.

Suzhou Diluop Environmental Technology Co., Ltd., established on 2014-08-11, Business scope includes research and development of environmental protection technology,technical consulting,Technical Services;Atmospheric hot water boiler,Solar heating equipment,Research and development of refrigeration equipment,Production,Sales,Install;Sales:Electrical Equipment;Contract Energy Management;Self-operated and agent import and export business of various commodities and technologies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Suzhou Chengqiang Energy Technology Co., Ltd., established on 2012-04-27, Business scope includes research and development,design,Production:Efficient and environmentally friendly heating equipment and heat exchangers,Research and develop related supporting control systems and software,Sell ​​the company's products and provide related door-to-door installation,Technical Services;Building heating,Contract energy management related to energy saving.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Yutao Thermal Energy Technology Co., Ltd., established on 2017-09-01, Business scope includes gas boiler,Oil boiler,Boiler and auxiliary equipment,heat sink,Ground source heat pump,air source heat pump,solar heating system,Solar Air Conditioning System,Central air conditioning unit,gas boiler,Energy storage electric boiler,electric heating boiler,Energy storage electric heater,Electric heater,Environmental protection heating equipment,Briquette heating equipment,Biomass boiler,Biomass heating stove,Civil heating equipment,Agricultural machinery and equipment,Gas wall-hung furnace,Ventilation equipment and installations,Central fresh air system,Central dust removal system,air purification equipment,water treatment equipment,Flue gas desulfurization and denitrification complete equipment,Low-voltage complete switchgear,Gas pressureless boiler and accessories,solar collector,solar water heaters,Gas wall-hung furnace,boiler burner(No coal-fired boiler),Solar street light,Water Purifier,kitchen utensils,Electric heating stove,household appliances,water heater,burner,air conditioner,Solar water heating system,boiler,solar equipment,Pump,Fresh air system,Production of pressure vessels,Sales,Install,Maintenance and Technology Development,technical consulting,Technical Services;Communication Engineering;Landscaping project;Import and export;Construction of heating facilities,Thermal transmission and distribution,Heat management and heating services;New Energy Development and Utilization;design production,Post an outdoor ad.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Lotte Aluminium Co., Ltd. manufactures packaging materials and products. Its products include aluminium foils and cans, food, medicine, and cigarette packaging materials, plastic bottles, containers, and pipes, corrugated cardboard boxes, cling wraps, condensers, and evaporators. The company was founded on November 4, 1966 and is headquartered in Seoul, South Korea.

Daeyeol Boiler Co. Ltd. is a private company headquartered in the South Korea that manufactures central heating boilers and radiators.

Sinusverteiler GmbH is a private company headquartered in Wettringen, Germany. The firm manufactures pipe fittings made of steel. Michael Agsten and Norbert H��lsmann are the current co-CEOs of the company.

Saunier Duval ECC SA manufactures heating appliances that includes non-condensing and condensing boilers that supply homes with warmth and hot water, heat pumps that are used to support renewable energy systems, solar-powered solutions, and air conditioners. The company was founded in 1907 by Charles Saunier and Maurice Duval and is headquartered in Fonatenay-sous-Bois, France.

At Ideal Boilers reliability comes as standard with all of their products. With a wide range of warranty options through to a UK wide customer service team on hand seven days a week, when customer choose an Ideal boiler the company can provide customer with ultimate boiler peace of mind. The company's high efficiency boilers include combi boilers, heat only boilers and system boilers.

Gaz de France (GDF) was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other European countries. Through its part-owned Belgian subsidiary SPE it was also involved in nuclear power generation. The company conducted a merger of equals with fellow utility company Suez on 22 July 2008 to form GDF Suez. Its head office was located in the 17th arrondissement of Paris.