energy,electrical and power related contracts and tenders websites

http://www.electricaltenders.com/
has details of such contracts and tenders,mainly europe ,but possibly japan and usa

Airport tender websites

http://www.airport-int.com/contracts_tenders
mainly europe,japan and usa

contracts and tenders,cambodia

http://www.sterling-cambodia.com/
high quality contractors may be put on a list for possile contracts.

contracts and tenders,vietnam

http://www.sterling-vietnam.com/
 high quality contractors could get on their list of possible contractors.

Contracts and tenders,thailand

Mass rapid transit authority of thailand has tender to built a  rail system, tenders I believe should be in by end of january 2010 
http://www.sterling-thailand.com/
Are willing to put  high quality contractors on their list for contract work

offices in bangkok and ko samui