Patent ID: 7881977

Claim:
A construction bidding system comprising: a. a manager workstation; b. a general contractor workstation; c. a subcontractor workstation; d. at least one database upon which is stored a listing of general contractors, a listing of subcontractors, a listing of trade divisions and a listing of categories for each trade division; e. a server in communication with the manager, general contractor and subcontractor workstations and the at least one database; f. said server having software for a website whereby: i) a manager may select general contractors from the at least one database, input project information into the at least one database and send an invitation to bid to each of the selected general contractors via the manager workstation; ii) a general contractor may receive the invitation to bid from the manager, review the project information, select trade divisions and categories and subcontractors for the selected trade divisions and categories from the at least one database and send an invitation to bid to each of the selected subcontractors via the general contractor workstation; iii) a subcontractor may receive the invitation to bid from the general contractor and is presented with a website screen that includes fields generated by the software for materials unit pricing and quantity details corresponding to the trade division and categories selected for the subcontractor by the general contractor so that the subcontractor may input and submit bid information to the general contractor that must include the unit pricing and quantity details and is solely for the trade divisions and categories selected for the subcontractor by the general contractor using the subcontractor workstation; and iv) the general contractor may provide bid information to the manager, that must include the unit pricing and quantity details input by the subcontractor, using the general contractor workstation.