List of Accredited Laboratories
and their Accredited Test Methods

Lab #1 - TRI/Environmental
(third party independent laboratory)
Attn: Sam Allen
(512) 263-2101

Lab #3 - Golder Associates, Inc.
(third party independent laboratory)
Attn: Henry Mock
(770) 492-8280

Lab #4 - Geosynthetic Institute
(noncommercial control test laboratory)
Attn: George Koerner
(610) 522-8440

Lab #8 - Propex Inc. (Performance Nonwoven Division)
(manufacturers QC laboratory)
Attn: Toni Ruppert
(800) 258-3121

Lab #9 - Lumite (Alto Facility)
(manufacturers QC laboratory)
Attn: Rebecca Page
(770) 869-1787

Lab #11 - AECOM, Inc.
(third party independent laboratory)
Attn: William Quinn
(847) 279-2500

Lab #13 - Precision Geosynthetic Laboratories
(third party independent laboratory)
Attn: Ronald Belanger
(714) 520-9631

Lab #14 - Geotechnics, Inc.
(third party independent laboratory)
Attn: J. P. Kline
(412) 823-7600

Lab #19 - HTS Inc. Consultants
(third party independent laboratory)
Attn: Larry McMichael
(713) 692-8373

Lab #20 - GeoTesting Express
(third party independent laboratory)
Attn: Gary Torosian
(978) 635-0424

Lab #22 - CETCO (Corporate Lab)
(manufacturers QC lab)
Attn: Michael Donovan
(847) 818-1500

Lab #23 - CETCO (Georgia Lab)
(manufacturers QC lab)
Attn: Christopher Cunningham
(770) 387-7714

Lab #24 - CETCO (Lovell Lab)
(manufacturers QC lab)
Attn: Suze Wilkerson
(307) 548-6521

Lab #25 - TC Nicolon (Pendergrass Lab)
(manufacturers QC lab)
Attn: Beth Wilbanks
(706) 693-2226

Lab #26 - Agru America Inc. (Georgetown Lab)
(manufacturers QC lab)
Attn: Grant Palmer
(843) 546-0600

Lab #29 - FITI GSI-Korea
(research institute)
Attn: Hong-Kwan Kim
82-2-3299-8071

Lab #32 -Vector Engineering, Inc.
(third party independent laboratory)
Attn: Ken Criley
(530) 272-2448

Lab #37 - GSE Chile
(manufacturers QC lab)
Attn: Mauricio Ossa
562 595 4290

Lab #38 - SAGEOS/CTT Group
(research institute)
Attn: Eric Blond
(450) 771-4608

Lab #40 - GSE Lining Technology
(Manufacturers QC Lab)
Attn: Vicky Parrott
(843) 201-1524

Lab #41 - SGI Testing Services, LLC
(3^rd Party Independent)
Attn: Zehong Yuan
(770) 931-8222

Lab #42 - NPUST (GSI-Taiwan)
(Institute)
Attn; Chiwan Wayne Hsieh
011-886-8-7740468

Lab. #43 - Ardaman & Associates Inc.
(3^rd party independent)
Attn: George DeStafano
(407) 855-3860

Lab. #44 - BBA Fiber Web Inc.
(Manufacturer’s QC Lab)
Attn: Ken McLain
(615) 847-7155

Lab. #45 – TenCate Geosynthetics SDN
(Manufacturers QC Lab)
Attn: Loke Kean Hoo
603 5192 8568

Lab. #46 - Bentofix Technologies, Inc.
(Manufacturers QC Lab)
Attn: Colin Murphy
(705) 725-1938

Lab. #47 - Precision Geosynthetic Labs
(Manufacturers QC Lab)
Attn: Mike Bishop
(866) 522-0843

Lab. #48 - Tenax Corporation
(Manufacturers QC Lab)
Attn: Aigen Zhao
(410) 522-7000

Lab. #49 - Engepol Geosinteticos
(Manufacturers QC Lab)
Attn: Carolina Polomino
(55) 11-41 3052

Lab. #50 - Advanced Drainage Systems Inc.
(Manufacturers QC Lab)
Attn: Terry McElfresh
(513) 896-2065

Lab. #51 Solmax International Inc.
(Manufacturers QC Lab)
Attn: Guy Elie
(450) 929-1234

Lab. #53 Industries Polytex Ltda.
(Manufacturers QC Lab)
Attn: Jamie Morales
(56) 57 42 9000

Lab. #54 Hancor Inc.
(Manufacturers QC Lab)
Attn: David Gonso
(419) 424-8377

Lab. #55 Atarfil Geomembranes S.L.
(Manufacturers QC Lab)
Attn: Ignacio Garcia Arroyo
(34) 958 439 107

Lab. #56 Industrial Polytex Ltda.
(Manufacturers QC Lab)
Attn: Jaime Morales
562-627-2054

Lab. #57 Ten Cate (Cornelia Lab)
(Manufacturers QC Lab)
Attn: Melissa Medlin
(706) 778-9794

Lab. #58 Propex Inc.
(Manufacturers QC Lab)
Attn: Tim Smith
(229) 686-5511

Lab. #59 Firestone Building Products
(Manufacturers QC Lab)
Attn: Janie Simpson
(864) 439-5641

Lab. #60 Polytex S.A.
(Manufacturers QC Lab)
Attn: Elias Jarufe C.
(51) 16169393

Lab. #61 Raven Industries Inc.
(Manufacturers QC Lab)
Attn: Justin Norberg
(605) 335-0288

Lab. #62 Solmax International Asia Pacific Sdn. Bhd.
(Manufacturers QC Lab)
Simon Gilbert St. Pierre
(450) 929-1234