Birlesim Mühendislik Isitma Sogutma Havalandirma Sanayi ve Ticaret Anonim Sirketi provides heating, cooling, ventilation, and other mechanical installation services. The company also offers plumbing, fire protection and fire stop systems, natural gas distribution systems, and medical gas systems, as well as testing, adjusting, and commissioning solutions. It serves hospitals and medical buildings, industrial facilities, business and life centers, commercial buildings, hotels, shopping centers, and residences. The company was incorporated in 2002 and is headquartered in Istanbul, Turkey.