ELGi Acquires Michigan Air Solutions and Expands its Presence in the North American Air Compressor Market CHARLOTTE, N.C. and GRAND RAPIDS, Mich. and COIMBATORE, India, Dec. 17, 2019 (GLOBE NEWSWIRE) -- ELGi Compressors USA, Inc., a subsidiary of ELGi Equipments Limited, a global supplier of compressed...