The City of San Bernardino currently uses PlanetBids. The process to doing business with San Bernardino County begins with registering with the online procurement system (ePro).Request for Proposal. Pre-qualification applications for formally bid contracts require submission of a questionnaire, supporting documents, and financial statements. Vendor Quote form must be filled out exactly like requested. 2. BID ACCEPTANCE PERIOD: Any bid in response to this solicitation shall be. New San Bernardino Courthouse Construction Inspection Services. Are you interested in becoming a supplier or vender with the City of San Bernardino? (divided up into 420, 450, 460), San Bernardino, CA 92408. City of San Bernardino Business License Application Form.