Bolton, Connecticut, 1968-1984; Tolland, Connecticut and Mt Sinai, New York, unknown date to present.
Redwood City, California, 1951-1953; Cleveland, Ohio, 1953-1955; Methuen, Massachusetts, 1955; Gloucester, Massachusetts, 1961-1983.
North Wilbraham, Massachusetts 1954-1968; West Springfield, Massachusetts 1968-1989.
Urbana, Illinois, 1981-1989; Champaign, Illinois from 1989.
Germany prior to 1925; Erie, Pennsylvana; North Tonawanda New York; Buffalo New York, 1932-1974.
Los Angeles, California, 1903-1905, relocated to Hoboken, New Jersey, as Art Organ Co., 1905, then Electrolian Organ Co., 1906
Berkeley, California c. 1912-1925, corporate offices in San Francisco area, production moved to Van Nuys, California 1925-1929.
Los Angeles, California 1977-2005; Successor to Manuel Rosales & Associates; Predecessor to Rosales Pipe Organ Services, Inc.
New York City, New York, 1872-1893; branches in Philadelphia, Pennsylvania and Baltimore, Maryland.
Boston, Massachusetts, 1870-1883; Reading, Massachusetts 1883; East Weymouth, Massachusetts, 1917.
Los Angeles, California from 1973, predecessor to Rosales Organ Builder, Inc. (1977)