Allentown and Lehigh County area, Pennsylvania, c. 1840 to after 1873
Fayetteville, Arkansas
Detroit, Michigan
Hamburg, Germany, 1949-1976.
Boulder, Colorado
Categorized under Organ Tuning and Repairs. Records show it was incorporated in 1990 in Illinois.
California
Specific location unknown; likely in Michigan
Pennsylvania; c. 1893-1900.
Chicago, Illinois; 1940's
Providence, Rhode Island, c. 1870-after 1883, but no later than 1890s
No additional information
Victoria, British Columbia, Canada, 1890 - 1940.
Organ technicians in Grey-Bruce Region of Ontario. Have undertaken some organ transplants.
Columbus, Ohio. Active in 1935.
2010 E Hennepin Minneapolis, MN. 55413 Est. 19__
Portland, Oregon; incorporated 2003 Chris Nordwall and Michael Ruppert.
Spokane, Washington, 1897 - ;at least 1927.
Elmira, New York. Late 40s/early 50s to the late 60/early 70s
portative and continuo organs
With Möller firm of Hagerstown, MD, 1922
Founded 1941 by Ernest Muhleisen.
founded by Konrad Mühleisen in 1986 in Leonberg.
Winchester, New Hampshire, by 1790 - 1849
Virginia. Tuning and maintenance, new organs, rebuilding and updating existing organs
Montclair, New Jersey
Cornish, New Hampshire
no information
founder, Detlev Kleuker Orgelbau; Westfalen (Westphalia), Germany; (4 July 1922, Flensburg - 15 February 1988, Brackwede)
Philadelphia, Pennsylvania c. 1893-c. 1903.
Philadelphia, PA, fl. 1890s, with Julius Neef; (alt. sp. newspapers: Dittinger)
Unknown
Davenport, Iowa, 1966-1980; Buffalo, Iowa, from 1980.
Schulstr. 28 50171 Kerpen Germany
309 East Church St, Lincolnton, NC. 28092, (704) 735-4636 - from 2013
Lockport, IL, c. 1853
Washington, DC, by 1808 to 1858.
9 Chestnut Street, Rehoboth, MA. 02769 Builders of continuo organs; active from 2000s
Kennaa, Isle of Man, United Kingdom. Established 1979.
Oakland, California, 1955-1963; San Francisco, California, 1963-present
Evanston, Illinois from 1986. (Successor to Prairie Organ Co.)
48223 Yale Road East, Chilliwack, British Columbia, Canada from 1979.
11A Boileau St, Keysborough VIC 3173, Australia
Whitby, Ontario, Canada
Alternate nameplate, Johnson Organ Co.