July 04, 2009  Founded in 1984 and 1987 respectively, The Geotechnical Group, Inc. (TGG) and TGG Environmental, Inc. (TGGE) combine to form a multidisciplinary firm consisting of experienced geotechnical engineers, environmental engineers, geologists, chemists and earth scientists who, throughout the years have provided their clients with innovative solutions, exemplary client service and professional results. Selecting TGG or TGGE means securing a firm with the technical capability and experience to understand the unique needs of your project. Our team of consultants consistently delivers quality engineering services that result in professional and reliable geotechnical and environmental solutions. top of page Home    Geotechnical    Environmental    Soils Lab    Mission   Vision The Geotechnical Group, Inc.    TGG Environmental, Inc. 100 Crescent Road, Needham, MA 02494 tel: 781.449.6450 fax: 781.449.1283 Copyright © 2002 The Geotechnical Group, Inc. All rights reserved.