Learn more about opportunities for doing business with Harris County, including procurement processes, vendor registration, and bid opportunities. Minimum 4 years bids and proposals or relevant experience in a technical, fast paced environment.When Harris submits a Plan and Spec bid, we provide every detail in our proposal, and are not afraid to point out gaps in a design. Follow the instructions provided in the document. APMP's mission is to be the trusted leader that serves an international community of bid and proposal development professionals. The Harris County Housing Finance Corporation is accepting bids for Requests for Proposals (RFPs) on various projects that expand affordable housing.