KING-HASSELBRING & ASSOCIATES was originally founded in 1951 by Paul Hasselbring and Stan Markey. Later the firm became Hasselbring Duane Thompson & Associates, then Hasselbring & Associates. In 1996, J. T. King & Co. Inc. purchased the company to form what is now King-Hasselbrring & Associates.
J. Timothy King, is a Professional Engineer (P.E.) and Professional Surveyor (P.S.) has been providing services in Southwestern Ohio (Hamilton, Warren, Clermont and Butler Counties), Northern Kentucky, and the Cincinnati Metropolitan Area for 40 years. J. Timothy King, P.E.-P.S. is currently the city Engineer for Fairfax and Golf Manor and has previously served as city engineer for Montgomery, Milford and Batavia.