Geofreeze has provided engineered construction solutions for residential and commercial projects since 1979. Geofreeze is proud of its record of offering creative and innovation approaches to solve challenging and difficult projects.

Geofreeze provides full service technical assistance - from engineering assessment through completed construction - and offers the use of diverse technical approaches to solve problems cost-effectively.

Geofreeze, Inc. is an engineering firm. John A. Shuster, P.E., has been providing creative engineering solutions for residential, commercial and industrial projects for nearly forty years. His B.S. in Civil Engineering is from the University of Alaska, his M.S. is from Stanford University and he is a licensed engineer in nine states. Types of non-residential projects for which he has provided engineering services include: the BART subway system in San Francisco, the WMATA subway system in Washington, D.C., the "Big Dig" transit project in Boston, and the Trans-Alaska Pipeline. Mr. Shuster has also provided structural, geotechnical, and construction engineering services for the remediation of problems on literally thousands of residential and commercial buildings.

Geofreeze Construction Corporation is a woman-owned company certified as an LDBE by the Metropolitan Washington Airports Authority and as an MBE by the Commonwealth of Virginia and is also pre-qualified by the Virginia Department of Transportation as a sheeting, shoring, underpinning and foundation contractor. Barbara J. Yentzer has been the owner and president since 1997. Previously she was an executive with a national union. The company has about thirty employees based out of its Alexandria, VA office and serves clients throughout the Washington, D.C. metropolitan areas.