The Hopkins & Allen Manufacturing Co began at The Falls, Norwich, CT. In 1877 they moved to 48 Franklin Street in Norwich and from 1868-1898 they were half owned by Merwin & Hulbert. 1884 moved to 132 Franklin St. In 1895 they bought the Bay State Arms Co.

Bay State Arms Co. 1870 Began in Uxbridge, MA; 1874 Ceased operations; 1880 Resumed operations in Worcester, MA; 3/7/1884 Incorporated in MA.; 1892 Corporation was disolved when they were bought by Hopkins & Allen; 1895 Factory shut down, machinery moved to Hopkins & Allen plant in Norwich, CT.

Hopkins & Allen made all revolvers for Merwin Hulbert

Hopkins & Allen (Norwich, CT) bought Forehand & Wadsworth in 1902.

Hopkins & Allen bought the assets of Davenport after Mr. D died in 1903

Hopkins & Allen was bought by Marlin-Rockwell in c1915-16.

Crescent Arms Co. (formed 1892) of Norwich CT was bought by

HD Folsom Co in 1893 (merged with Davis Warner in 1930) then trading as

Crescent- Davis until bought by J Stevens in 1932.

Davis-Warner was formed by merging of NR Davis and Warner Arms in 1917.