Estwing Manufacturing Companyis a manufacturing company headquartered in Rockford, Illinois. Estwing manufactures striking and struck tools such as nail hammers, axes, pry bars, bricklayers tools, drywall hammers, roofing tools, geologist hammers, and various specialty striking tools.
Estwing Manufacturing Company was founded in 1923 by Ernest O. Estwing. Estwing was an immigrant from Sweden who settled in Rockford with many other Swedish immigrants. Estwing products are constructed of one solid piece of hardened steel for strength.
Estwing offers prizes to students at various colleges throughout the country, such as the Estwing Award for most outstanding graduate student at Cornell University, the Estwing Outstanding Senior Geologist Award at Colorado College, and the Estwing Hammer Prize to an outstanding geology graduate student at Yale Graduate School of Arts and Sciences.