“Personna American Safety Razor Company is the leading manufacturer of Razor Blades, Window Cleaning Blades, Sterile Surgical Blades and cutting tools for home, health and industry.” All of the “Wet Shaving Blades” that are sold in the U.S.A. are produced in their Knoxville TN. plant.
They also have a plant in Verona Virginia which manufactures the largest majority of their Industrial Wall Scraper Blades; some of the industrial blades are made in Mexico.
They have production facilities located throughout the world; we could not find a webpage that stated where each specific blade is produced, you will have to call for more information.
Always verify the products you are searching for are American made.
Note: Personna American is a subsidiary of Edgewell Personal Care Company.