SINGAPORE AIRLINES (SIA) was founded in 1947 and was originally called Malaysian Airlines, has been recognized as the most comfortable and safest airline, and enjoys a good reputation in the industry. Its hub airport is Singapore Changi Airport. In addition, SIA is also a member of.

SMRT Group is one of the two major public transport operators in Singapore (the other one is), established in 1987, mainly in the subway, light rail, taxi and bus business.SMRT Group has more than 900 buses and 2000 taxis in Singapore.

New Rapid Transit (SBS Transit) is one of the two major public transport operators in Singapore (the other is), established in 1978, formerly known as "Singapore Bus Company Limited", listed on the Singapore Exchange, mainly operating metro, light rail system and bus business.

Silk Air (Singapore) Pte Ltd (Silk Air) is a Singaporean airline established in 1989 as a subsidiary with its hub airport, mainly operating to and from cities in Southeast Asia, South Asia and China.

Jetstar Asia Airways is the third largest low cost airline in Singapore, a branch of Qantas' Jetstar Airways, established in 2004, and is characterized by destinations that are mostly within five hours of Singapore, such as Hong Kong, Bangkok, Taipei and so on. On July 24, 2005, Jetstar Asia merged with its biggest competitor, Value Travel Airlines.

Singapore Airlines Cargo (SIA Cargo) is a cargo company founded in 2001, with a hub airport of 14 all-cargo planes and flights to more than 30 cities.

Scoot is a Singaporean low-cost airline founded in 2011, with its hub airport at Singapore Changi Airport, and is a subsidiary of Singapore Airlines, mainly flying to China, Australia, Japan and other regional routes. The airline is a subsidiary of Singapore Airlines;

Tigerair is a low cost airline in Singapore, established in 2003 as a subsidiary, with its hub airport in Singapore, and is the largest low cost airline in Singapore in terms of passenger capacity.