All businesses that want to contract with the City must register with iSupplier, to receive bid notifications, to apply for local business certification. For more details about open contracting opportunities, please register or login to the City's iSupplier Portal.Once you get to the iSupplier Portal, click on the Government Tab. Each Agent must: Agreement Form,. 1) Complete and submit a signed, copy of this Online Permitting Contractor User. Welcome to the Small Local Emerging Business (SLEB) online registration system for local suppliers. Please register only once per local Alameda County business. Use the link below to register for Oakland First Fridays. Incomplete forms will not be accepted so please be sure to fill eveything out. If you wish to be placed on the Court's "Bidder's List" to receive bid and proposal opportunities, please complete this form. Contact.