Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR.
Bouygues S.A. is a French engineering group headquartered in the 8th arrondissement of Paris, France. Bouygues is listed on the Euronext Paris exchange and is a blue chip in the CAC 40 stock market index. The company was founded in 1952 by Francis Bouygues and has been led by his son Martin Bouygues since 1989. Martin's older brother, Olivier Bouygues, is a board member.
Big O Tires, LLC., is a tire and auto service shop headquartered in Palm Beach Gardens, Florida. Big O Tires is one of North America's largest retail tire franchisors, with more than 450 independently owned and operated locations extending through 23 states primarily in the Western and Midwestern United States. It has been a wholly owned subsidiary of TBC Corporation since 1996.
Jet Aviation is a Basel-based provider of business aviation services. Founded in Switzerland in 1967, it provides aircraft sales, maintenance, and charters using its fleet of more than 200 aircraft. Since 2008, Jet Aviation has been a subsidiary of General Dynamics and employs approximately 4,000 staff across Europe, Asia, and the Americas.
UTC Climate, Controls & Security was a global provider of building technologies offering fire safety, security, building automation, heating, ventilating, air-conditioning, and refrigeration systems and services. A wholly owned subsidiary of United Technologies Corporation, UTC Climate, Controls & Security was a $16.7 billion company with 55,000 employees serving customers in more than 180 countries.
Vossloh AG is a rail technology company based in Werdohl in the state of North Rhine-Westphalia, Germany. The SDAX-listed group has achieved sales of around €930 million in 2016 and, as of 2017, had more than 4,000 employees.
Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an independent company manufacturing and distributing HVAC systems, and has since expanded to include manufacturing commercial refrigeration and food service equipment, and fire and security technologies.
Tutor Perini Corporation is one of the largest general contractors in the United States. At the end of 2013, it reported annual revenue of approximately $4.2 billion. Tutor Perini is headquartered in Sylmar, California, and works on construction projects throughout North America. Specific areas of focus are civil infrastructures such as bridges, highways, tunnels, airports, and mass transit systems, building infrastructure, and specialty contracting.
ABM Industries Inc. is a facility management provider in the United States founded in 1909 by Morris Rosenberg in San Francisco, California.
Thermo King is an American manufacturer of transport temperature control systems for refrigerator trucks and trailers, refrigerated containers and refrigerated railway cars along with heating, ventilation and air conditioning systems for bus and passenger rail applications. Headquartered in the Minneapolis suburb of Bloomington, Minnesota. Thermo King is a subsidiary of Trane Technologies.
Integrated Electrical Services, Inc. also known as IES Holdings Incorporated is a roll-up type publicly traded company headquartered in Houston, Texas. The company provides infrastructure services including electrical, communications, low-voltage, network, AV, and security alarm systems to the residential, industrial and commercial markets.
BSRIA is a UK-based testing, instrumentation, research and consultancy organisation, providing specialist services in construction and building services engineering. It is a not-for-profit, member-based association, with over 650 member companies; related services are delivered by a trading company, BSRIA Limited. Any profits made are invested in its research programme, producing best practice guidance.
Airbus Group, Inc. represents the North American activities of European multinational aerospace company Airbus. Headquartered in Herndon, Virginia, this American arm of the company participates in U.S. Department of Defense programs, in some cases as a prime contractor. The American unit operates under a Special Security Arrangement which allows it to work independently on some of the most sensitive United States defense programs despite its foreign ownership. It employs approximately 3,200 people and had 2011 revenues of $1.3 billion.
Mastec, Inc. is an American multinational infrastructure engineering and construction company based in Coral Gables, Florida. The company provides engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure. Its customers are primarily in the utility, communications and government industries.
SLPowers was an American information technology (IT) services provider headquartered in West Palm Beach, Florida. At times, the company also had offices in Atlanta, GA and Norfolk, CT. Its flagship service offering was a managed IT/Cloud and Security platform aimed at effectively managing small and medium business IT infrastructure systems based on the Windows, OS X, and Linux operating systems.
Murray & Roberts Holdings Ltd. is a South African-based engineering and mining contractor. It is listed on the JSE Securities Exchange. The Group delivers its capabilities into three global primary market sectors the resources, industrial, energy, water and specialised infrastructure market sectors.
SureserveGroup plc is a UK-based asset and energy support services group. It was founded in 1988, with headquarters in Dartford, Kent. In October 2018, it employed around 2,000 staff in 23 UK offices.
Khaldoun Al Tabari is a Jordanian businessman. He served as Vice-Chairman and Chief Executive Officer of Drake & Scull International PJSC from 1998 until 2016.
Thermotank was a Scottish engineering company specialising in heating, ventilation and air conditioning, founded in Glasgow in 1900 by Alexander William Stewart and his two brothers William and Frederick. The business was based on Alexander’s invention, the Thermotank, a system designed for maritime use which could maintain a constant temperature coupled to a change of air on board ships.
US$ 11.076 billion USD (2022) [2] 