The Pawan Hans Helicopters Ltd. (PHHL) is one of the leading helicopter companies in India and is known for its reliable helicopter operations. Its objective is to provide helicopter support services to the Oil Sector for its off-shore exploration operations, services in remote and hilly areas as well as charter services for promotion of travel and tourism. The Registered Office of the Company is located at New Delhi and its Regional offices are at Mumbai and New Delhi. PHHL is the first ISO 9001: 2000 certified Aviation Company in India. Pawan Hans has played a vital role in the growth story of the Helicopter Industry in India.
The Airports Authority of India (AAI) was formed on 1st April 1995 by merging the International Airports Authority of India and the National Airports Authority with a view to accelerate the integrated development, expansion, and modernization of the operational, terminal and cargo facilities at the airports in the country conforming to international standards.
- Design, Development, Operation and Maintenance of international and domestic airports and civil enclaves.
- Control and Management of the Indian airspace extending beyond the territorial limits of the country, as accepted by ICAO.
- Construction, Modification and Management of passenger terminals.
- Development and Management of cargo terminals at international and domestic airports.
- Provision of passenger facilities and information system at the passenger terminals at airports.
- Expansion and strengthening of operation area, viz. Runways, Aprons, Taxiway etc.
- Provision of visual aids.
- Provision of Communication and Navigation aids, viz. ILS, DVOR, DME, Radar etc.
Air India Ltd. was incorporated under the Companies Act 1956 on 30 March 2007 and is owned by the Government of India. The Company was created to facilitate the merger of the two main state-owned airlines in India: Air India, with its subsidiary Air-India Express and Indian Airlines, together with its subsidiary Alliance Air.
- Hotel Corporation of India Limited
- Air India Air Transport Services Limited
- Air India Engineering Services Limited
- Air India Charters Limited
- IAL Airport Services Limited
- Airline Allied Services Limited 
- Vayudoot Limited