The State Procurement Office (SPO) website:
From this website you can:
Check for bid notices and addendum

Check on awards of contracts
Capital Improvement Projects (CIP) database (coming soon)
Find State Forms  

Check the HIEPRO
Register for the Hawaii Compliance Express

State of Hawaii, Department of Commerce and Consumer Affairs:
This website has contact/licensing information and frequently called numbers for Engineers, Architects, Surveyor & Landscape Architects