The National Manufacturing Company was founded on October 12, 1901 by Benjamin F. Washburne, William P. Benson and Louis A. Bittorf in Sterling, Illinois. Its industry is hardware and its headquarters were in Sterling, Illinois until its closing in 2010. The company was acquired by The Stanley Works in 2005. In 2010, operations became a part of Stanley Black & Decker's Hardware & Home Improvement division.
- Rock Falls, Illinois
- Sterling, Illinois
National Wagon Company (1901-1902)
National Manufacturing Company (1902-present)
- Garage Door Hardware
- No. 806 three-door