Submit this form to be included on the Town of Hillsborough's qualified contractor's list to receive notices inviting informal bids. Current Town Projects.The successful Bidder will be required to furnish a Faithful Performance Bond and a Labor and. Visit the Bonfire EProcurement platform to register as a vendor, view bid opportunities, or login to your account to submit and track bids. Bid Opportunity: Construction Services for the Retrofit for Administrative Office Space. ADVERTISEMENT. To register, please contact them at either DemandStar website or 1-. How to Find THEA's Bid Opportunities Click here to view Tampa Hillsborough Expressway Authority Bids. View Bid OpportunitiesVendor Registration Form. If you need help filling out the application, there are tutorials on the Building Department website you can refer to.