Tri-State Compressed Air Systems - Kaeser Distributor in Indiana and Southwest Michigan tri-state compressed air, indiana, northern indiana, michigan, kaeser, kobelco, champion, air receivers, reciprocating air compressors, blower repair, dryer repair, compressor parts, compressor rentals, air surveys, air audits, used compressors, nitrogen generators, vacuum pumps, booster compressors, oil-free compressors, rotary screw compressors Tri-State Compressed Air Systems, Inc. has been serving Indiana and Southwest Michigan's air compressor sales, parts and service needs since 1982.