The suggestions were made during the premier's visit to survey progress of EEC projects and listen to private-sector ideas for its further development.
WHA Corporation chief executive officer Jareeporn Jarukornsakul said the formation of a joint private sector-government team to woo foreign investment via roadshows overseas was among the proposals. The team should include Board of Investment and EEC executives, she added.
Businesses also urged closer cooperation between government and the private sector to develop the zone.
Government spokesman Anucha Burapachaisri said that the combined value of projects applying to invest in the EEC over the past eight months was Bt85 billion.