Thanks for stopping by! We’re pleased to announce that Rentenbach Constructors Incorporated is now officially known as The Christman Company. Christman acquired Rentenbach in a merger of the two privately-held firms in December 2013 and the company’s Knoxville, TN and Greensboro, NC offices continued operating under the Rentenbach name for several years but are now moving forward under the Christman brand.

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Tim W. Gray

    Tim W. Gray
    Senior Vice President and Manager
    Greensboro Operations
    University of Kentucky/Lexington Community College, Assoc. of Science, Civil Engineering Technology
    University of Kentucky/Lexington, B.A. Business; University of Kentucky/Lexington, B.S. Economics (AGR)
    High Point University, Master of Business Administration

    Tim's special areas of expertise include pre-construction services for projects such as medical, lab, research facilities, non-profit, and higher education projects. For over two decades, Tim has developed the core principles and approach of a pre-construction program that focuses upon precise early estimates, cost certainty, design collaboration, value options, transparency, and the importance of being a partner with respect to a client's purpose and business goals. Tim joined Rentenbach in 1993 as a Senior Estimator and was promoted to Manager of Estimating in 1995 and to his current role as principal in charge of the Greensboro, North Carolina office in 2007.