It is the responsibility of the potential vendor/contractor to notify the Purchasing Office when requests for bids or proposals are downloaded from this listing. Addenda will be sent only to those individuals who have contacted The Finance Department's Purchasing Division and advised that they have a request for bids or proposals. The Purchasing Division can be reached by calling 847.923.4512 and via e-mail to jwilliams@ci.schaumburg.il.us. Register your interest in becoming a supplier to the Village of Schaumburg by completing and returning the Vendor Registration Form.