Methuen, Massachusetts, 1958-1975.
From the OHS PC Database, derived from A Guide to North American Organbuilders, revised edition, by David H. Fox (Organ Historical Society, 1997). -
Leo Constantineau was born November 1, 1924. He was with the Andover Organ Co. of Methuen, Massachusetts, starting in 1958. He acquired the firm in conjunction with Robert J. Reich, in 1960. Constantineau left the firm in 1975, he died February 1, 1979 in Lawrence, Massachusetts.