Geosynthetic Accreditation Institute


ASTM D6637
Test Method for Determining Tensile Properties of Geogrids by the Single or Multi-Rib Tensile Method


List of Accredited Laboratories:

  • Lab. #1 - TRI Environmental Inc.
  • Lab. #4 - Geosynthetic Institute
  • Lab. #13 - TRI Environmental Inc. (Precision Geosynthetics Laboratory)
  • Lab. #20 - GeoTesting Express Inc.
  • Lab. #29 - FITI (GSI-Korea)
  • Lab. #38 - CTT Group (SAGEOS)
  • Lab. #41 - SGI Testing Services, LLC
  • Lab. #42 - NPUST (GSI-Taiwan)
  • Lab. #45 - Ten Cate Geosynthetics Asia Sdn Bhd.
  • Lab. #57 - Ten Cate Geosynthetics (Cornelia Lab)
  • Lab. #65 - Bombay Textile Research Assoc.
  • Lab. #68 - Shawmut Park Avenue LLC
  • Lab. #72 - Tensar Corporation, LLC
  • Lab. #75 - GEOMATRIX S.A.S.
  • Lab. #79 - TRI Geosynthetic Testing & Services (Suzhou)
  • Lab. #86 - BOSTD Geosynthetics Qingdao Ltd.
  • Lab. #91 - TechFab India Industries Ltd. (Rakholi)
  • Lab. #96 - Tensar Geosynthetics (China)
  • Lab. #103 - STRATA Geosystems Pvt Ltd. (India)

[Method List]

[Laboratory List]