Bidding on a City contract Information and resources for vendors doing business with the City. Do business with the City How to bid on City of Philadelphia contracts. Bid on a Public Works contract How to bid on a Public Works contract with the City. Bid on a Supplies, Equipment, and Non-Professional Services contract How to bid on a Services, Supplies, and Equipment contract. Get certified as a Local Business Entity How to get certified as a Local Business Entity (LBE). Register as a minority, woman, or disabled-owned business How to register as a minority, women, or disabled-owned business. Vendor payments status Track payments the City owes you as a vendor.