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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Charles C. Mabe

    Charles C. Mabe
    Vice President, Procurement and Pre-Construction Services
    Ferris State University, Associate Degree in Building Construction Technology and B.S. Construction Management

    Chuck, who joined Christman in 2000 and has over 23 years construction experience, is leveraging his technical and project management expertise by enhancing the company’s Tennessee-based skilled trades service offerings in commercial concrete, carpentry and other areas, in addition to overseeing all procurement processes. Chuck is a construction specialist in industrial, water and wastewater treatment, parking, and other facilities. He is an active member of the community, including his current involvement as a mentor for tnAchieves to help increase higher education opportunities for Tennessee high school students.