Machining & Grinding of Precision Components for over 50 years.

R&B Grinding Co., Inc. is located in the great city of Racine, WI. Founded by Ray & Marilyn Biddle in 1958, R&B Grinding began as a basic precision grinding supplier. Today, we are a one-stop shop offering close tolerance machining, grinding, welding, fabricating, induction hardening and assembly work. R&B Grinding continues to be a key supplier to large OEM manufacturers, specializing in customer service, superior quality and on-time delivery.