Elco Tool and Screw Co. – 1962

Source:  Rockford Morning Star and Rockford Register-Republic “Century Plus 10” Special Edition, March 1962

Estwing Manufacturing Co. – 1957 – 1963

Estwing - D

Source: William Kerr, Rockford Register Republic 8/12/1957; Local Firm’s History, Rockford Morning Star 11/17/1957; Craftsman’s Good Idea, Rockford Morning Star 3/20/1963

“Estwing Company plans Post-War expansion for plant facilities” 1945

Estwing Co. plans

Source:  Rockford Morning Star June 17, 1945