Welcome to the Small Local Emerging Business (SLEB) online registration system for local suppliers. Please register only once per local Alameda County business.Explore County contracting opportunities in goods, services and construction. Use the table below to explore contract opportunities for goods and services. The City is continually seeking vendors, suppliers, and contractors who can provide quality products and services at competitive prices. AHA utilizes the Bonfire e-procurement platform to host all competitive solicitations. To respond to open opportunities, please register as a vendor at our Procurement Portal. For more information on registration, you may reference this article. All bidders, proposers, vendors, and contractors must be registered in AC Transit's Supplier Portal.