The County of San Joaquin is soliciting Request for Proposals (RFP) for its Information Systems Division (ISD). PURPOSE: The San Joaquin County, Purchasing and Support Services is requesting proposals from qualified vendors for the replacement of San Joaquin County’s Public Safety conventional sub-system. This RFP outlines the scope of services, information necessary to understand the competitive selection process, and the required documentation necessary for the submission of proposals. Please review the documents carefully to ensure you are familar with the County's requirements.