To participate in the RFQ process, you must be fully registered with iSupplier. Here is information on Selling to the City of Oakland.Explore County contracting opportunities in goods, services and construction. Use the table below to explore contract opportunities for goods and services. Anticipated Start Date: December 4, 2023. The City is continually seeking vendors, suppliers, and contractors who can provide quality products and services at competitive prices. Contractors must provide a complete bid using this "Bid and Proposal" section at the back of this document. Proposers MUST register with. Housing Agency Marketplace in order to submit a proposal.