New Building Expansion Project: BTD Manufacturing, Lakeville, MN  Project Summary A new building expansion project has been completed for BTD Manufacturing located in Lakeville, MN. This is the second project by APPRO Development, Inc. at this location. The 15,910 square foot Building Expansion work included; Excavation, footings, exterior precast walls including a partial glass vestibule. Installation of site utilities, structural steel with …