Trinity Products was founded in 1979 in St. Charles, Missouri as a steel pipe supplier with a focus on the heavy civil construction industry (piling, road boring and utility contractors). Management moved quickly to secure additional property in order to build Trinity’s first fabrication facility. Adding fabrication capabilities allowed Trinity Products to branch out into the advertising industry by adding sign pole and billboard structure fabrication to the product line. In 1999, Trinity Products relocated to O’Fallon, Missouri and once again expanded the fabrication facility. Additions o

Manufactures honing machines, precision gages, tooling, metal cutting lubricants, metal cutting abrasives.Sunnen Hone, Sunnen Bore Gauge, Sunnen Honing Products, Abrasives, Honing Machines, Boring - Sunnen About Sunnen Customer Service Trade Shows News Careers Links Lease Gages Site Search: Sunnen News Engineering Graduates Sought for... Longer Life, Increased Stock... ML-2000 is the Value-Priced Choice Sunnen Products Company is the world's largest integrated manufacturer of precision abrasive bore sizing and finishing products including: honing machines , honing abrasives and superabrasives,