Over 35 years of designing and manufacturing innovative bench-top laboratory instruments for testing and advancing the resear ... ch & development of engine oils, lubricants and related materials. Tannas Co. is committed to continually creating and delivering the highest quality instruments available in the market for identifying, characterizing and understanding the properties and behavior of today's fluids and lubricants. Sister companies Tannas Co., King Refrigeration, Savant Labs, and Institute of Materials (IOM) are members of The Savant Group of companies located in Midland, Michigan U.S.A. read more