Propane Tank Exchange in Waterloo 1 Propane Tank Exchange in Waterloo Waterloo SearchAll (16)Gas stations (2)Home improvement (1)Government Offices (3)Schools (K-12) (1)Churches & Places of Worship (1)Civic & Community Organizations (1)Convenience Stores (1)Auto repair & services (1)Money Transfer & Remittance Services (1)Discount Stores (2)Propane Tank Exchange (1)Blue Rhino Propane Exchange Propane Tank Exchange11784 US Highway 221