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.

Visit www.christmanco.com to be redirected and learn more.

Christman works in partnership with key organizations in construction and design and related industries to learn, inform, collaborate, and innovate. They include:

Architecture and Engineering

American National Standards Institute (ANSI)
American Society of Civil Engineers (ASCE)
American Society for Testing Materials (ASTM)
American Institute of Architects (AIA)
AIA - Michigan Chapter
Engineering Society of Detroit (ESD)
Michigan Society of Professional Engineers
Order of the Engineer
Society of American Military Engineers Northern Virginia Post
Society of Manufacturing Engineers

Construction

American Association of Cost Engineers
Associated Builders and Contractors
Associated Builders and Contractors – West Michigan Chapter
Associated General Contractors of America (AGC)
AGC Michigan - A Chapter of the Associated General Contractors of America
Builders Exchange of Lansing and Central Michigan
Builders Exchange of Grand Rapids and Western Michigan
Builders Exchange of Kalamazoo Area
Builders Exchange of Northwest Michigan
Construction Association of Michigan
Construction Specifications Institute
International Masonry Institute
Masonry Institute of Michigan
Michigan Construction News
NAIOP Northern Virginia
National Brownfield Association
SAVE - International Society of American Value Engineering
Sustainable Buildings Industry Council (SBIC)
U.S. Green Building Council (USGBC)
USGBC - Detroit Chapter
USGBC - National Capital Region
USGBC - West Michigan Chapter
Washtenaw Contractors Association
West Michigan Minority Contractors Association

Education

Michigan Association of School Administrators (MASA)
Michigan Association of School Boards (MASB)
Michigan School Business Officials (MSBO)
Association of Higher Education Facilities Officers/Association of Physical Plant Administrators (APPA)
Association of Higher Education Facilities Officers–Michigan Chapter/Michigan Association of Physical Plant Administrators (MIAPPA)
Michigan Education Association
National Education Association

Facilities

Building Owners and Managers Association (BOMA)
FMLink: Facility Management Resources
International Facility Management Association (IFMA)

Healthcare

American College of Healthcare Executives (ACHE)
American Health and Hospital Association (AHA)
American Society for Healthcare Engineering (ASHE)
Indiana Rural Health Association
Joint Commission on Accreditation of Healthcare Organizations
Michigan Hospital Association
Michigan Society for Healthcare Engineering (MISHE)
Modern Healthcare
National Rural Health Association (NRHA)

Historic Preservation

Association for the Preservation of Virginia Antiquities
Association for Preservation Technology International (APT)
Association for Preservation Technology–Southeast Chapter
Association for Preservation Technology–Washington, D.C. Chapter
D.C. Preservation League
Georgia Trust for Historic Preservation
League of Historic American Theatres
Maryland Trust for Historic Preservation
Michigan Historic Preservation Network (MHPN)
National Trust for Historic Preservation (NTHP)
Preservation Maryland
Preservation Trades Network
Preservation Wayne–Detroit

Professional

Society for Marketing Professional Services (SMPS)
Human Resource Management Association of Mid-Michigan (HRMAMM)

Safety

Lansing Area Safety Council
Michigan Occupational Safety and Health Administration (MIOSHA)
Occupational Safety and Health Administration (OSHA)

Other

Grand Rapids Area Chamber of Commerce
Lansing Regional Chamber
Michigan Chamber of Commerce
Traverse City Chamber of Commerce