Since 1994, Redi-Edge has manufactured compact knife sharpeners in the United States, including the field-proven Tactical Pro developed in response to a request from U.S. Army Rangers. Its sharpeners use preset angles and durable Duromite cutters to give users a repeatable edge, with products backed by a limited lifetime warranty.
American Cutting EdgeFounded in 1965 by Charlie Biehn, American Cutting Edge manufactures industrial machine knives and precision-ground blades from its Southwest Ohio operation. Still family-owned and guided by the second generation, the former CB Manufacturing combines custom blade production with contract grinding, sharpening, and machining for demanding industrial applications. The company also manufactures and resharpens tungsten-carbide and ceramic razor blades in the United States.MIAMISBURG, OH
Hewlett ManufacturingFor more than 60 years, Hewlett Manufacturing of Linesville, Pennsylvania, has made diamond-coated sharpening tools, including the original oval diamond steel perfected by founder Harlan D. Hewlett. The family business grew from OEM manufacturing into the JewelStik® brand and supplies sharpening tools to established knife companies while producing its products in the USA for home, shop, and professional use.LINESVILLE, PA
Cutco CorporationSince 1949, family-owned Cutco Corporation has made American-made knives at its factory in Olean, New York, along with kitchen solutions for home cooks. The small-town manufacturer is known for its Double-D recessed edge, long-running craftsmanship and The Forever Guarantee, which includes free sharpening and service intended to keep products performing like new. Cutco became privately held through a management buyout in 1982 and celebrated 75 years of manufacturing in 2024.OLEAN, NY
MTK IncFrom its beginnings in a Vero Beach apartment, Microtech has spent more than three decades designing and making American-made tactical and utilitarian knives, with Out The Front models at the heart of its work since 1994. Founded by Anthony and Susan Marfione, the company now operates from Mills River and pairs precision blade-craft with modern manufacturing, supporting local labor and backing its knives with a lifetime warranty.BRADFORD, PA