The nation's best known global companies include Singapore Airlines, Changi Airport, and the Port of Singapore, all of which are among the most-awarded in their respective fields. Singapore Airlines was ranked as Asia's most-admired company, and the world's 19th most-admired company in 2015 by ''Fortune''’s annual "50 most admired companies in the world" industry surveys. Other awards it has received include the US-based ''Travel + Leisure''’s Best International Airline award, which it has won for 20 consecutive years. Changi Airport connects over 100 airlines to more than 300 cities. The strategic international air hub has more than 480 World's Best Airport awards , and is known as the most-awarded airport in the world. Over ten free-trade agreements have been signed with other countries and regions. Singapore is the second-largest foreign investor in India. It is the 14th largest exporter and the 15th largest importer in the world.