About Us

Sunnen Products Company, established in 1924, manufactures a broad range of products for the worldwide industrial and automotive markets.

Sunnen's industrial products include a complete line of industrial honing machines for bore sizing and finishing. For the automotive engine rebuilding market, Sunnen provides a full line of engine rebuilding and cleaning equipment, tools and accessories. Sunnen also manufactures a wide range of abrasives, lubricants and gages for both markets.

Located in St. Louis, Mo., Sunnen's main facility covers approximately 486,000 square feet and has about 700 employees. Sunnen Products Abrasives and Lubricants Facility, also in St. Louis, produces metal cutting lubricants and abrasives.

Another Sunnen facilty, General Hone Corporation, in Ashland, Ohio, manufactures a complete line of heavy duty honing machines as well as a full range of tooling and abrasives.

Sunnen has facilities in England, China, Switzerland and Italy as well as more than 50 international distributors.