Established 1959; Harrisville, New Hampshire, 1964.
Used when Builder is not known
Los Angeles, California from 1973, predecessor to Rosales Organ Builder, Inc. (1977)
Springfield, Massachusetts 1891-1894.
North Wilbraham, Massachusetts 1954-1968; West Springfield, Massachusetts 1968-1989.
Los Angeles, 1894-1913.
48223 Yale Road East, Chilliwack, British Columbia, Canada from 1979.
Columbus, Ohio, from 1974. Became 'Inc.' in 1976
Los Angeles, California, 1903-1905, relocated to Hoboken, New Jersey, as Art Organ Co., 1905, then Electrolian Organ Co., 1906
Chicago, Illinois, 1864-1977.
Fort Worth, Texas, from 1982.
North Lyminge, near Folkestone, England, 1967-1993; Nantes area; France, from 1993, also Hampstead, London , since 2015.
Victoria, TX, 1967-1970; Boston, MA, 1970-1972; Wreatham, MA 1972-1983; Stoughton, MA 1983-1987; Hagerstown, MD 1987-1992; Grand Rapids, MI 1994-1998; Hendersonville, NC.
Berkeley, California c. 1912-1925, corporate offices in San Francisco area, production moved to Van Nuys, California 1925-1929.
Van Nuys, California, ca. 1915-1917.
Westfield, Massachusetts, 1844–1870.
Warsaw, New York, 1915-1932.
Schleisingerville [Slinger}, Wisconsin, from 1875-1914.
Middletown, Ohio, 1968-1976; Germantown, Ohio; Eugene, Oregon, 1977-2005.
Milwaukee, Wisconsin, 1936-2016.
Princeton, New Jersey, 1959-1990.
Boston, Massachusetts, 1983.
Fort Worth, Texas, from 1968.
Portland, Oregon, from 1976.
Philadelphia, Pennsylvania, 1917-1989?
Tonawanda, New York, 1956-1996.
Ludwigsburg, Germany, prior to 1888; New York City, New York, 1888; Erie, Pennsylvania, 1894; Charleston, South Carolina, 1894-1954.
Duluth, Minnesota, from ca. 1978. [Active]
St. Louis, Missouri, from 1973.
Milan, Michigan, from 1970s.
Urbana, Illinois, 1981-1989; Champaign, Illinois from 1989.
Bolton, Connecticut, 1968-1984; Tolland, Connecticut and Mt Sinai, New York, unknown date to present.
Andover, Massachusetts, 1966; Exeter, New Hampshire, 1987-1996.
El Cajon, California 1960s-ca.1996.
Montreal from 1995.
Lebanon, Pennsylvania, 1873-1920s.
Brooklyn, New York 1875-1896; Merrick, New York 1906-1924; Succeeded by Midmer-Losh.
Boston, Massachusetts, 1880s-1910.
Wisconsin, 1910-1920; succeeded by Schafer Organ Co.
New York, New York, 1893-1903.
Dutch; Minneapolis, Minnesota, 1969.
Salem, Ohio, 1888; incorporated, 1905; succeeded by Wirsching-Binder Co., 1914.
Erie, Pennsylvania, 1918-1933.
Westfield, Massachusetts, 1866-1879; SpringField Massachusetts 1879-1891.
John Henry Willcox, Boston (?) Active 1864-1872 with various firms; established J. H. Willcox & Co., 1869
