How do I bid on a City of Dallas contract? For information on the bidding process, please contact the City of Dallas Procurement Services at: (214) 670-3326.For a listing of current procurement opportunities, to register as a Supplier, or to submit bids electronically, please visit Bonfire. Broughton This webinar walks through an actual Dallas ISD RFP. Get tips and best practices for successfully bidding on Dallas ISD opportunities. For additional information, you may contact the Dallas College Procurement Department at 972-860-7771. If you are looking to work with DHA and are responding to an Invitation to Bid, Request for Proposal, or Request for Qualifications, you're in the right place. Bid documents are located below. A Request for Proposal (RFP) is a formal solicitation process for goods or services containing a define scope of work.