Founder, D.H. Timmerman
Timmerman Geotechnical Group, Inc., based in Akron, Ohio, was founded as Messmore Testing and Supervision. in 1972, providing a variety of engineering and material testing services. TGG has continued to grow in size and scope and now offers the services listed below, servicing all of Ohio, as well as parts of Pennsylvania and West Virginia. See the 'Services' tab for more information.
Subsurface Explorations Laboratory Analyses
Foundation Analyses Soil, Concrete, and Asphalt Testing
Geotechnical Reports Structural Steel Inspection
Construction Quality Control Building Materials Testing
Timmerman Geotechnical Group, Inc.