View Larger Image September List of Construction Bids Byron Lee2016-09-18T12:00:00-04:00September 18th, 2016|Categories: GBCA News|Tags: gbca project bid list, september construction project bids| GBCA is proud to offer a list of the most recent project bids. Share This Article, Choose Your Platform! FacebookTwitterLinkedInPinterestEmail Related Posts Holiday Schedule: Memorial Day 2023 Welcome New GBCA Members GBCA Hits Home Runs for Heart Health Philadelphia Business Journal Highlights GBCA’s Leading Safety Efforts in Philadelphia