If you are interested in joining the bidders lists, you must complete the NYC-FMS Vendor Enrollment Application. Call 311 for further information.Bystep guide to understanding the bidding process, along with tips on submitting a successful bid. DDC's construction contracts are handled through an open competitive bid process, as well as pre-qualified lists (PQL). Information on the DOL registration process and the portal to register can be found on the DOL's Contractor and Subcontractor website.