Sunnen Products Company, St. Louis, Missouri, manufactures a wide range of precision bore sizing systems, honing machines, precision bore gages, tooling, abrasives, honing oils and coolants, and accessories. The headquarters facility covers 486,000 sq. ft. (45,150 sq. meters) and has approximately 500 employees.

As the world’s foremost authority on honing, Sunnen has a facility dedicated solely to the research, development and manufacturing of abrasives, plated diamond tooling and honing lubricants.

Sunnen Products Limited, located in Hemel Hempstead, Hertfordshire, England, handles sales, service and distribution for Sunnen in the UK.

Sunnen AG, in Ennetaach-Erlen, Switzerland serves as Sunnen's Technical Center for the European market, and includes space for sales, manufacturing, warehousing and product display. Sunnen AG manufactures Sunnen's HTB, HTH and HTC series of tube hones and specializes in the design and manufacture of automated bore sizing and finishing systems.
Shanghai Sunnen Mechanical Company, Ltd., near Shanghai, China, serves the rapidly expanding Chinese market. This facility includes office and manufacturing space as well as a training facility

Sunnen Italia S.R.L., located in Milan, Italy, supplies the Italian market with honing systems for both the industrial and engine building market.

Sunnen SAS is the newest subsidiary and is located in Saclay France. This facility serves as the sales and support office for France and other European countries.

Sunnen RUS is the subsidiary for Russia (www.sunnen.ru) and Sunnen S.R.O. is the subsidiary for the Czech Republic (www.sunnen.cz).

Find A Sales Rep
Select your state to find a rep near you.
Ask The Expert
Select a category from the dropdown list and then click the "ask" button to continue.
Ask The Expert