COMPUTER SOFTWARE FOR ESTIMATING CONSTRUCTION COSTS; COMPUTER SOFTWARE FOR GENERATING BUDGETS FOR CONSTRUCTION PROJECTS; COMPUTER SOFTWARE FOR IDENTIFYING UPCOMING OR PROSPECTIVE CONSTRUCTION PROJECTS THAT ARE, OR WILL BE, UP FOR BID; COMPUTER SOFTWARE FOR PROVIDING CHECKLISTS OF REQUIREMENTS FOR BIDDING ON CONSTRUCTION PROJECTS; COMPUTER SOFTWARE FOR PROVIDING BID ITEM SUMMARIES FOR PENDING CONSTRUCTION PROJECTS BIDS; COMPUTER SOFTWARE FOR COMPARING SUBCONTRACTOR ITEM PRICES