Profile: Williams Crusher & Pulverizer Co., Inc. is engaged in custom designs and manufactures size reduction equipment & related process systems for industrial markets. Our products include ring crushers, roll crushers, air classifiers, apron pan conveyors and apron pan feeders. We manufacture a large variety of hammer mills to handle virtually any size reduction job. Our rugged machines provide efficiencies and economies of midair, impact crushing, grinding or shredding of diverse materials such as limestone, glass, diatomaceous earth, coal & lignite.