Export Development and International Trade Minister Gamini Lakshman Peiris said some of America's biggest companies had sent representatives to visit the island and scout for investment opportunities this week.
These include General Electric, Coca Cola, Ford Motors, Marriot, Hilton, and Caterpillar.
"They came here because of the confidence they have; the investment climate is now suitable," Peiris said at the end of talks in Colombo on the Trade and Investment Framework Agreement (TIFA) between the two countries.
The talks are aimed at improving economic cooperation between the two trading partners.
"The US government is giving its fullest support to strengthen the economy, especially in employment generation and to increase earnings," Peiris told a news conference.
"Not only the US government, but the biggest American companies came here and showed interest in making big investments here.
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The US business delegation also travelled to Trincomalee in the east where they g