S.B. White Company Inc. is one of the leading mechanical contractors in the Tennessee, installing all types of heating, air conditioning systems and plumbing in commercial buildings, including hospitals, churches, schools and offices, among others. The firm has been in operation as a mechanical contactor since 1891. It has completed several projects in medical, educational, religious, commercial and industrial segments. S.B. White Company Inc. is one of the oldest incorporated firms in Johnson City, Tenn. Its project portfolio includes Generator Replacement for Johnson City Medical Center, Milligan Convocation Center, First Christian Church and Pharmaceutical Manufacturing Facility, among others.