| Company |
Years of Operation |
| Adams & Perry Watch Mfg. Co. |
1874 - 1877 |
| J. H. Allison |
1853 - 1890 |
| American Horologe Co. |
1851 - 1851 |
| American Repeating Watch Co. |
1885 - 1892 |
| American Waltham Watch Co. |
1885 - 1921 |
| American Watch Co. |
1859 - 1885 |
| American Repeating Watch Co. |
1885 - 1892 |
| Ansonia Clock Co. |
1896 - 1929 |
| Appleton, Tracy & Co. |
1857 - 1859 |
| Appleton Watch Co. |
1901 - 1903 |
| Auburndale Watch Co. |
1876 - 1883 |
| Aurora Watch Co. |
1883 - 1892 |
| Ball Watch Co. |
1879 - 1969 |
| Bannatyne Watch Co. |
1905 - 1911 |
| Benedict & Burnham Co. |
1855 - 1870 |
| Benedict & Burnham Mfg. Co. |
1870 - 1880 |
| Boston Watch Co. |
1853 - 1857 |
| E. F. Bowman |
1879 - 1882 |
| Brown, Robert & Sons |
1883 - 1856 |
| J. R. Brown & Sharpe |
1856 - ? |
| California Watch Co. |
1876 - 1877 |
| Cheshire Watch Co. |
1883 - 1890 |
| Chicago Watch Co. |
1895 - 1903 |
| Columbia Watch Co. |
1896 - 1899 |
| Columbus Watch Co. |
1874 - 1903 |
| Cornell Watch Co. |
1870 - 1876 |
| Corona Watch Co. |
ca. 1900 |
| Crescent Watch Co. |
? |
| Jacob D. Custer |
1840 - 1845 |
| Dudley Watch Co. |
1920 - 1925 |
| Dueber - Hampden Watch Co. |
1888 - 1930 |
| Edgemere Watch Co. |
? |
| Elgin National Watch Co. |
1864 - 1964 |
| Excelsior Watch Co. |
? |
| Charles Fasoldt |
1849 - 1878 |
| Fitchburg Watch Co. |
1875 - 1878 |
| E.H. Flint |
1877 - 1879 |
| Fredonia Watch Co. |
1881 - 1885 |
| Freeport Watch Mfg. Co. |
1874 - 1875 |
| Smith D. French |
1866 - 1878 |
| Luther Goddard |
1809 - 1825 |
| L. Goddard & Co. |
1817 - 1825 |
| P & D Goddard |
1825 - 1842 |
| D Goddard & Son |
1842 - 1850 |
| Luther D. Goddard |
1850 - 1857 |
| Goddard & Co. |
1857 - 1860 |
| D. Goddard & Co. |
1860 - 1872 |
| Jonas G. Hall |
1850 - 1890 |
| Hamilton Watch Co. |
1892 - 1964 |
| Hampden Watch Co. |
1877 - 1930 |
| Herman von der Heydt |
1883 - 1895 |
| Howard Davis & Dennison |
1850 - 1851 |
| E. Howard & Co. |
1857 - 1861 |
| Howard Clock & Watch Co. |
1861 - 1863 |
| E. Howard Watch Co. (Keystone) |
1902 - 1930 |
| Howard Watch & Clock Co. |
1863 - 1881 |
| E. Howard Watch & Clock Co. |
1881 - 1903 |
| Ingersoll Watch Co. |
1892 - 1922 |
| Illinois Springfield Watch Co. |
1869 - 1879 |
| Illinois Watch Co. |
1885 - 1927 |
| Independent Watch Co. |
1875 - 1881 |
| Robt H. Ingersoll & Bros. |
1892 - 1922 |
| E. Ingraham Co. |
1912 - 1968 |
| Keyless Watch Co. |
? |
| Keystone Standard Watch Co. |
1886 - 1891 |
| Keystone Watch Case Co. |
1885 - 1927 |
| Knickerbocker Watch Co. |
1890 - 1930 |
| Lancaster Watch Co. |
1879 - 1886 |
| Lancaster Penn Watch Co. Ltd. |
1877 - 1879 |
| Manhattan Watch Co. |
1883 - 1891 |
| Manistee Watch Co. |
1908 - 1912 |
| Marion Watch Co. |
1872 - 1874 |
| McIntyre Watch Co. |
1908 - 1911 |
| Melrose Watch Co. |
1866 - 1868 |
| Mozart Watch Co. |
1864 - 1870 |
| Nashua Watch Co. |
1859 - 1862 |
| National Watch Co. |
1864 - 1874 |
| Newark Watch Co. |
1864 - 1870 |
| New England Watch Co. |
1898 - 1914 |
| New Haven Watch Co. |
1883 - 1887 |
| New Haven Clock & Watch Co. |
1853 - 1956 |
| New Jersey Watch Co. |
ca. 1888 |
| New York Chronograph Watch Co. |
1880 - 1885 |
| New York City Watch Co. |
1890 - 1897 |
| New York Watch Co. |
1866 - 1875 |
| New York Standard Watch Co. |
1885 - 1929 |
| New York Watch Mfg. Co. |
1875 - 1876 |
| Non-Magnetic Watch Co. |
1887 - 1905 |
| Otay Watch Co. |
1889 - 1894 |
| D. D. Palmer Watch Co. |
1864 - 1875 |
| Peerless Watch Co. |
ca. 1892 |
| Peoria Watch Co. |
1885 - 1895 |
| James & Henry Pitkin |
1838 - 1852 |
| Potter Watch Co. |
1855 - 1875 |
| George P. Reed |
1865 - 1885 |
| Quick Train Rockford Watch Co. |
? |
| Railroad Watch Co. |
ca. 1896 |
| Rockford Watch Co. |
1873 - 1915 |
| Rock Island Watch Co. |
1871 - 1872 |
| Royal Gold American Watch Co. |
? |
| San Jose Watch Co. |
1891 - ? |
| Seth Thomas Watch Co. |
1883 - 1915 |
| South Bend Watch Co. |
1903 - 1929 |
| Springfield Illinois Watch Co. |
1879 - 1885 |
| Standard Watch Co. of Minn. |
? |
| Standard Watch Co. of Syracuse |
ca. 1888 |
| J. P. Stevens Watch Co. |
1882 - 1887 |
| Suffolk Watch Co. |
1899 - 1901 |
| Tracy Baker & Co. |
1857 - 1857 |
| Trenton Watch Co. |
1885 - 1908 |
| Tremont Watch Co. |
1864 - 1866 |
| U. S. Watch Co. of Marion, N. J. |
1865 - 1877 |
| U. S. Watch Co of Waltham, Mass. |
1885 - 1906 |
| Union Watch Co. |
? |
| Wallingford Watch Co. |
? |
| Waltham Watch Co. |
1851 - 1957 |
| Warren Mfg. Co. |
1851 - 1853 |
| Washington Watch Co. |
1872 - 1874 |
| Washington Street Watch Co. |
? |
| Waterbury Watch Co. |
1879 - 1898 |
| E. N. Welch Mfg. Co. |
1834 - 1897 |
| Westclox |
1899 - ? |
| Western Watch Co. |
ca. 1880 |
| Wichita Watch Co. |
1887 - 1888
|
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