(a) BRENCO Incorporated , U.S.A.
Since 1982-For Cartridge Tapered Roller Bearings for Railway wagons and Locomotives.
www.brencoqbs.com
(b) NTN Corporation , Japan
Since 1985-For Ball Bearings, Cylindrical & Spherical Roller Bearings.
Since 1997-For Tapered Roller Bearings.
http://www.ntn.co.jp
(c)

Izumi Kinzoku Kogyo Co. Ltd., Japan
Since 1996 - For re-manufacturing, retrofitting and overhauling of grinding and super finishing machines for bearing races.

http://www7.ocn.ne.jp/~izk.co