For assistance, please call at 210-207-0118 or e-mail Vendor Support. This section will help you navigate and understand the City's procurement processes, including how to pursue City contracts.Search the Bidding Opportunities below to learn about dates, scope, and general information for upcoming and past North East ISD school construction projects. To bid projects at Mt. San Antonio College a prime contractor must fully complete a pre-qualification application and provide supporting documents. Catalogs shall be mailed to the Finance. Department, Procurement Division, P.O. Box 839966, San Antonio, TX 78283-3966 prior to bid opening. The vendor is required to complete and submit a VENDOR REGISTRATION FORM as shown in Attachment C of this policy in response to a County IFB, RFP, SOQ or RFQ. Goods and services are purchased in accordance with Local, State and Federal provisions and include informal and formal solicitations for bids and proposals.