Acme United Corporation began when Leo Renz bought a gristmill in Connecticut in 1867 and opened Renz Shear Shop, where he manufactured scissors and cast-iron shears. By 1946, after it had expanded into the Acme Shear Company, the company was one of the world's largest makers of ... Read More shears and scissors. Today, Acme manufactures cutting, measuring, and safety products for all types of customers, from elementary schools to hardware companies. Acme United owns six main brands -- Westcott, Clauss, PhysiciansCare, Pac-Kit, Camillus, and C-Thru Ruler -- and has offices in the United States, Canada, Germany, Hong Kong, and China. All of Acme's products are created specifically for maximum ease of use and durability. Acme United has developed an extremely hard and wear-resistant carbo-nitride coating that makes many of its products, such as the Titanium Bonded scissors, especially strong and long-lasting.