Corporate Sites for Vendor Registration, ITN, RPFs etc.

Lockheed Martin: http://www.lockheedmartin.com/us/suppliers/bulletin-board.html

Moffitt Cancer Center: http://moffitt.org/the-moffitt-experience/supplier–vendor-information/supplier-opportunities

Careersource Tampa (Was Workforce Tampa Bay): http://www.workforcetampa.com/rfps