| Name | Location | Description | Owners | Helicopter | Models |
| Aerospatiale | France: Toulouse | French aerospace manufacturer, founded in 1970 from the state owned companies Sud Aviation, Nord Aviation and Société d'études et de réalisation d'engins balistiques (SÉREB). Aerospatiale worked with Westland on the Lynx, Gazelle and Puma helicopter designs. In 1992, DASA (a German aero company) and the Aerospatiale helicopter divisions were merged to form the Eurocopter group. | Company merged into Eurocopter group. | Models... | Aerospatiale |
| AgustaWestland | Italy / United Kingdom. | Formed in 2000 by a merger of Agusta and Westland. The company was originally owned by Finmeccanica and GKN plc, each holding a 50% share. | Since May 26th 2004, AgustaWestland has been completely owned by Finmeccanica (Italy). | Models... | AgustaWestland |
| Alpi Aviation | Italy | Italian manufacturer of airplanes and helicopters. | | Models... | Alpi Aviation |
| AVIC | Beijing, China | The Aviation Industry Corporation of China (Abbreviate: AVIC) was founded in 1951 as the Aviation Industry Administration Commission. It produces both military and civil aircraft among other products. | Owned by Chinese state | Models... | AVIC |
| Avicopter | China | Created 2008 with assets of CNY20 billion, headquarters being established at Tianjin. | Owned 69 per cent by AVIC and 31 per cent by Tianjin municipal government. | Models... | Avicopter |
| Bell | USA: Fort Worth, Texas | Manufacturer of military and civil helicopters and tilt rotors. The company was founded in 1935 as the 'Bell Aircraft Corporation'. In 1941, Bell started to develop helicopters. Bell Helicopter always had a close relationship with Agusta. Bell produced the first FAA certified helicopter for civil use (model 47) and the almost famous model 205, better known as the 'Huey'. Since 1976, the company’s name has been 'Bell Helicopter Textron'. | Textron, from 1960 until now. | Models... | Bell |
| BellAgusta | USA: Fort Worth, Texas | BellAgusta Aerospace company is a joint venture formed in 1998 between Bell Helicopter Textron and Agusta (now AgustaWestland), the purpose of which was the development of the BA609 Civil Tiltrotor aircraft. | Bell Helicopter Textron and AgustaWestland. | Models... | BellAgusta |
| Boeing | USA: Chicago, Illinois | Boeing is a major aerospace and defence company. It acquired the Vertol Aircraft Corporation in 1960 and turned it into their Vertol Division. The CH-47 Chinook is produced by this division. Boeing is currently developing the V-22 Osprey (a VTOL airplane) in conjunction with Bell Helicopter Textron. | Share holders. | Models... | Boeing |
| Brantly International | USA: Vernon, Texas | Brantly Helicopter Corporation was set up in the 1950s. Brantly himself designed the B-1, B-2 and Brantly 305 models. The Brantly designs changed hands many times. In 1996 Brantly International started production of the B-2B. | Privately held company. In 2009 all activities were handed over to the Chinees company Qingdao Haili Helicopters Co. Ltd. | Models... | Brantly International |
| Bristol Aeroplane Company | United Kingdom: Filton, England | Bristol Aeroplane was a British aviation company. Bristol designed and produced a few helicopter models: Type 171 Sycamore and the Type 171 and 193 Belvedere. | Merged in 1959 into British Aircraft Corporation. | Models... | Bristol Aeroplane Company |