Accepted Laboratories

Lab Changes (last 60 days)
There are 7 change(s) to report in the last 60 days



LEA #Lab NameDecription of ChangeEffective Date
295 A3GEO Renewal of Acceptance 09/21/2021
247 Construction Testing Services, Inc. Renewal of Acceptance 09/27/2021
131 Inspection Services, Inc. (ISI) Renewal of Acceptance 09/30/2021
82 Kleinfelder, Inc. Renewal of Acceptance 09/27/2021
66 Krazan & Associates, Inc. Renewal of Acceptance 09/21/2021
289 MatriScope Engineering Laboratories, Inc. Renewal of Acceptance 09/27/2021
26 Wood Environment & Infrastructure Solutions Renewal of Acceptance 09/21/2021

LEA #Lab NameAddressCityStateZip CodeEngineering Manager (EM)Expiration Date
295 A3GEO 821 Bancroft Way Berkeley CA 94710 Dona Mann 08/30/2025
314 Achievement Engineering Corp 2455 Autumnvale Dr., Unit E San Jose CA 95131 Farshad Safaian 10/18/2024
280 Advance Soil Technology, Inc. 343 So. Baywood Avenue San Jose CA 95128 Alex Kassai 12/29/2023
296 AECOM (aka URS) Geotechnical Laboratory 915 Wilshire Blvd., Suite 700 Los Angeles CA 90017 Arnel Bicol 11/25/2021
177 AESCO Technologies Inc. 17782 Georgetown Lane Huntington Beach CA 92647 Adam Chamaa 12/07/2021
300 Alan Kropp & Assolciates 2140 Shattuck Aave Suite 910 Berkley CA 94704 James Lott 08/07/2022
241 American Engineering Laboratories, Inc. 205 W. La Habra Blvd. La Habra CA 90631 Baylor Gibson 10/20/2024
223 Anamet, a Division of Acuren Inspection, Inc. 26102 Eden Landing Rd., Suite 3 Hayward CA 94545 Ken Pytlewski 01/16/2023
209 Apex Testing Laboratories, Inc. 3450 Third Street, Suite 3E San Francisco CA 94124 Abdel-Kader Khelifa 01/10/2022
111 Applied Materials and Engineering, Inc. 980 41st Street Oakland CA 94608 Mohammed Faiyaz 03/22/2024
224 Associated Soils Engineering, Inc. 2860 Walnut Avenue Signal Hill CA 90755 Lawrence Chang 06/11/2023
47 Atlas Technical Consultants LLC 6280 Riverdale Street San Diego CA 92120 Emil Rudolph 01/24/2022
311 Atlas Technical Consultants LLC 534 23rd Avenue Oakland CA 94606 Corey Dare 01/29/2023
53 Atlas Technical Consultants, LLC 14457 Meridian Parkway Riverside CA 92518 Emil Rudolph 12/10/2021
238 BAGG Engineers 138 Charcot Avenue San Jose CA 95131 Jason Van Zwol 09/23/2024
221 Blackburn Consulting 2491 Boatman Avenue West Sacramento CA 95691 Robert Lokteff 03/25/2022
97 Brunsing Associates, Inc. 5468 Skylane Boulevard, Suite 201 Santa Rosa CA 95403 Keith Colorado 07/27/2024
36 BSK & Associates 700 22nd Street Bakersfield CA 93309 Adam Terronez 01/25/2022
32 BSK Associates 399 Lindbergh Ave Livermore CA 94551 James Auser 10/28/2024
23 BSK Associates 550 W. Locust Avenue Fresno CA 93650 On Man Lau 10/24/2023
317 Butano Geotechnical Engineering, Inc. 231 Green Valley Road, Suite E Freedom CA 95019 Greg Bloom 01/02/2022
259 California Testing & Inspections, Inc. 15957 Vermont Ave Paramount CA 90723 Fabiola Jaque 01/30/2022
298 Caltech Labs Inc. 420 W. Lambert Road Suite D Brea CA 92821 Horacio Martin 03/25/2022
190 CEM LAB Corp. 45 Post Irvine CA 92618 Soheil Anthony Binaei 07/18/2023
164 CGI, Technical Services 1612 Insight Place Redding CA 96003 Azeddine Bahloul 11/18/2021
183 Christian Wheeler Engineering 3980 Home Avenue San Diego CA 92105 Michael Wheeler 11/25/2022
194 Cleary Consultants, Inc. 560 Division Street Campbell CA 95008 Grant Foster 07/18/2022
174 Condor Earth 188 Frank West Circle, Suite 1 Stockton CA 95206 Ronald Skaggs 09/09/2022
130 Consolidated Engineering Laboratories 5304 Roseville Road, Suite K North Highlands CA 95605 Daniel Allopenna 11/01/2022
54 Consolidated Engineering Laboratories 534 23rd Avenue Oakland CA 94606 Greg LeRoy 10/16/2023
29 Consolidated Engineering Laboratories 7757 Bell Road Windsor CA 95492 James Powers 01/11/2022
142 Consolidated Testing Laboratories, Inc. 710 South Kaweah Avenue Exeter CA 93221 Santiago Espinoza 02/06/2022
217 Construction Testing & Engineering CAL 1645 Pacific Avenue, Suite 107 Oxnard CA 93033 Dharmesh Amin 11/15/2021
8 Construction Testing & Engineering, Inc. 1441 Montiel Road, Suite 115 Escondido CA 61013 Daniel Math 02/05/2024
151 Construction Testing Services 2118 Rheem Drive, Suite A Pleasanton CA 94588 Dan Ventura 01/08/2022
247 Construction Testing Services, Inc. 4400 Yankee Hill Road Rocklin CA Bradford Quon 02/13/2025
101 Converse Consultants 2021 Rancho Drive Redlands CA 92373 Hashmi Quazi 07/08/2022
64 Converse Consultants 717 South Myrtle Avenue Monrovia CA 91016 Siva Sivathasan 04/25/2025
245 Cornerstone Earth Group, Inc. 1259 Oakmead Parkway Sunnyvale CA 94085 Erin Steiner 10/31/2024
37 CTE CAL Inc 46716 Fremont Blvd Fremont CA 94538 Mike Kennedy 06/08/2025
167 CTE CAL, INC.-Sacramento 3628 Madison Avenue, Suite 22 North Highlands CA 95660 Rod Ballard 05/09/2022
202 CTE South, Inc. 14538 Meridian Parkway, Suite A Riverside CA 92518 Dharmesh Amin 06/18/2023
212 DC Inspections, Inc. 4808 Ortiz Ct., Unit D Bakersfield CA 93308 Karl Schwartz 07/14/2024
243 Earth Systems Pacific 2049 Preisker Lane, Suite E Santa Maria CA 93454 Phillip Madrid 12/03/2024
283 Earth Systems Pacific 1680 Illinois Avenue Perris CA 92571 Kevin Paul 05/14/2024
6 Earth Systems Pacific 1731-A Walter Street Ventura CA 93001 Anthony Mazzei 11/01/2022
57 Earth Systems Pacific 4378 Santa Fe Road San Luis Obispo CA 93401 Nick Zoetewey 10/30/2024
50 Earth Systems Pacific 79-811B Country Club Drive Bermuda Dunes CA 92203 Kevin Paul 02/06/2022
155 Earth Systems Pacific 500 Park Center Drive, Suite 1 Hollister CA 95023 Mohammad Khodadadi 10/18/2022
92 ENGEO Danville Lab 3420 Fostoria Way, Suite E Danville CA 94526 Mark Gilbert 06/01/2024
320 Fenagh Engineering & Testing, LLC 9070 Center Avenue Rancho Cucamonga AA 91730 Bruce Tie 11/15/2021
290 Geo-Advantec Inc. 457 W. Allen Avenue, Suite 113 San Dimas CA 91773 Shawn Ariannia 01/04/2025
152 GEOCON Consultants, Inc. 3160 Gold Valley Drive, Suite 800 Rancho Cordova CA 95742 Jeremy Zorne 11/14/2024
203 Geocon Incorporated 6960 Flanders Drive San Diego CA 92121 Joe Vettel 08/27/2024
235 Geocon West, Inc. 3303 N. San Fernando Blvd., Suite 100 Burbank CA 91504 Neal Berliner 05/29/2024
118 Geolabs-Westlake Village 31119 Via Colinas # 502 Westlake Village CA 91362 Lawrence Stark 06/09/2022
323 GeoSolutions, Inc. 220 High Street San Luis Obispo CA 93401 Kraig Crozier 02/15/2023
276 Geotechnical Professionals Inc. 5736 Corporate Ave Cypress CA 90630 Paul Schade 01/07/2023
304 Geotechnical Solutions, Inc. 27 Mauchly, Suite 210 Irvine CA 92618 Abraham Baha 09/29/2023
264 Geotechnologies, Inc. 439 Western Avenue Glendale CA 91201 Reinard Knur 07/15/2022
185 GeoTek, Inc. 1548 North Maple Street Corona CA 92879 Steven Runyan 05/12/2022
310 GMU Geotechnical 23241 Arroyo VIsta Rancho Santa Margarita CA 92688 Mike Moscrop 09/15/2023
277 Gorian and Associates, Inc. 3595 Old Conejo Road Thousand Oaks CA 91320 Jerome Blunck 01/24/2023
193 Group Delta 9245 Activity Road, Suite 103 San Diego CA 92126 Matthew Fagan 09/15/2024
192 Group Delta Consultants, Inc. 1320 South Simpson Circle Anaheim CA 92806 Ed Trasoras 01/23/2022
253 Harrington Geotechnical Engineering, Inc. 1590 N. Brian Street Orange CA 92867 Joseph Welch 02/07/2023
210 Holdrege & Kull Consulting Engineers & Geologists 792 Searls Ave Nevada City CA 95959 Charles Kull 03/13/2022
284 Holdrege & Kull Consulting Engineers and Geologists, D.B.A. NV5 48 Bellarmine Court, Suite 40 Chico CA 95928 Dominic Potestio 08/01/2024
141 HP Inspections, Inc. 690 Sunol Street, Building H San Jose CA 95126 Basil Amso 01/21/2022
104 Inland Foundation Engineering, Inc. 1310 South Santa Fe Avenue San Jacinto CA 92583 Allen Evans 01/29/2025
131 Inspection Services, Inc. (ISI) 1798 University Avenue Berkeley CA 94703 Can Celik 03/13/2025
11 Intertek PSI (Professional Service Industries, Inc.) 11980 Telegraph Road, Suite 104 Santa Fe Springs CA 90670 Doug Abernathy 04/25/2024
319 JE&B Engineering, Inc. 832 W. 9th Street Upland CA 91786 Mei-Ban (Ben) Lo 01/30/2022
4 John R. Byerly, Inc. 2257 Lilac Avenue Bloomington CA 92316 John Byerly 07/29/2023
39 Kleinfelder 5761 Copley Drive, Suite 100 San Diego CA 92111 James Stiady 09/23/2022
85 Kleinfelder 2001 Arch-Airport Road, Suite 100 Stockton CA 95206 Johan Jacobsen 01/18/2022
43 Kleinfelder West, Inc. 2601 Barrington Court Hayward CA 94545 Fernando Silva 06/26/2024
48 Kleinfelder, Inc. 9969 Horn Rd. Sacramento CA 95827 Timothy Williams 10/28/2024
82 Kleinfelder, Inc. 620 S. Magnolia Ave., Bldg. G Ontario CA 91762 Eric Noel 07/01/2024
146 Koury Engineering & Testing, Inc. 14280 Euclid Avenue Chino CA 91710 Armen Gaprelian 03/23/2022
135 Krazan & Associates, Inc. 2205 Coy Avenue Bakersfield CA 93307 Ryan Privett 10/01/2024
66 Krazan & Associates, Inc. 215 West Dakota Avenue Clovis CA 93612 David Jarosz 08/12/2024
27 LACO Associates 21 W. Fourth Street Eureka CA 95502-1023 Walter Dragaloski 01/09/2024
285 LACO Associates Santa Rosa 3325 Regional Parkway, Suite 8 Santa Rosa CA 95403 Edward Crump 07/02/2024
67 Landmark Consultants, Inc. 780 N. 4th Street El Centro CA 92243 Jeffrey Lyon 01/25/2022
107 Landmark Consultants, Inc. 77-948 Wildcat Drive Palm Desert CA 92211 Greg Chandra 07/08/2022
287 Langan Engineering & Environmental Services 9608 Kiefer Boulevard, Suite 7 Sacramento CA 95827 Justin Ray 07/10/2024
258 Leighton Consulting, Inc. 3934 Murphy Canyon Road, Suite B205 San Diego CA 92123 Sean Colorado 11/10/2021
231 Leighton Consulting, Inc. 41715 Enterprise Circle N., Suite 103 Temecula CA 92590 Simon Saiid 03/11/2024
63 Leighton Consulting, Inc. 17781 Cowan #150 Irvine CA 92614 Roderick Marcia 02/06/2024
307 M.T. Hall & Associates, Inc 609 Entler Ave, Suite 4 Chico CA 95928 Tom Hall 03/27/2023
289 MatriScope Engineering Laboratories, Inc. 6244 Preston Avenue Livermore CA 94551 Ying-Chi Liao 11/08/2024
138 MatriScope Engineering Laboratories, Inc. 601 Bercut Drive Sacramento CA 95811 Ying-Chi Liao 05/03/2024
271 Merrell Johnson Companies 16091 Kamana Rd Apple Valley CA 92307 Brad Merrell 07/23/2022
114 Mid Pacific Engineering 6310 State Highway 273 Anderson CA 96007 Troy Kamisky 06/02/2022
269 Mid Pacific Engineering, Inc. 840 Embarcadero Drive, Suite 20 Sacramento CA 95605 Dan Smith 01/07/2023
282 Miller Pacific Engineering Group 1333 North McDowell Boulevard, Suite C Petaluma CA 94954 Benjamin Pappas 11/04/2021
200 Moore Twining Associates 501 Ortiz Avenue Sand City CA 93955 Scott Kruater 05/12/2023
201 Moore Twining Associates, Inc. 165 Commerce Circle, Suite D Sacramento CA 95824 Harry Moore 12/01/2022
278 Moore Twining Associates, Inc. 11800 Sterling Avenue, Suite C Riverside CA 92503 Harry Moore 01/28/2022
65 Moore Twining Associates, Inc. 2527 Fresno Street Fresno CA 93721 Read Andersen 10/28/2021
198 MTGL, Inc. 6295 Ferris Square, Suite C San Diego CA 92121 Isacc Chun 04/09/2024
44 MTGL, Inc. (Anaheim) 2992 E. La Palma, Suite A Anaheim CA 92806 Isaac Chun 04/26/2024
161 Ninyo & Moore 475 Goddard, Suite 200 Irvine CA 92618 Garreth M. Saiki 06/27/2023
219 Ninyo & Moore 2149 O'Toole Avenue, Suite 30 San Jose CA 95131 Ransom Hennefer 05/03/2023
127 Ninyo and Moore Geotechnical 5710 Ruffin Road San Diego CA 92123 Mark Cuthbert 09/07/2022
321 NMG Geotechnical, Inc. 17991 Fitch Irvine CA 92614 Karlos Markouizos 04/20/2022
49 North American Technical Services 4713 Enterprise Way, Suite 4 Modesto CA 95356 Thomas Mochizuki 10/28/2024
112 NOVA Geotechnical and Inspection Services dba Universal Engineering Sciences 695 Edison Way Reno NV 89502 Dean Stanphill 09/12/2024
239 NOVA Services, Inc. 4373 Viewridge Avenue, Suite B San Diego CA 92123 James Parker 11/14/2024
19 NV5 West, Inc. 15092 Avenue of Science, Suite 200 San Diego CA 92128 Joseph Bouknight 02/06/2024
14 NV5 West, Inc. 1868 Palma Drive, Suite A Ventura CA 93006 Shaun Simon 04/25/2023
270 Pacific Crest Engineering Inc. 444 Airport Boulevard, Suite 106 Watsonville CA 95076 Elizabeth Mitchell 06/25/2022
119 Pacific Materials Laboratory of Santa Barbara 35 South La Patera Lane, Unit A Goleta CA 93116 Karl Buchmiller 07/08/2024
263 Petra Geosciences, Inc 1269 West Pomona Road, Unit 103 Corona CA 92882 Montgomery Schultz 02/16/2024
214 Reliant Testing Engineers, Inc. 3035 S. Harbor Boulevard Santa Ana CA 92704 Sanjay Govil 12/04/2022
165 RES Engineers, Inc. 1250 Missouri Street, Unit 207 San Francisco CA 94107 Ross Esfandiari 01/08/2022
233 RGH Geotechnical 1305 North Dutton Avenue Santa Rosa CA 95401 Eric Chase 04/01/2024
229 River City Testing 7338 Sycamore Canyon Blvd, Suite 4 Riverside CA 92508 George Hawes 10/16/2023
302 RMA GeoScience 3897 N. Ann Avenue Fresno CA 93727 Josue Montes 06/20/2022
232 RMA Group 3150 Fitzgerald Road Rancho Cordova CA 95742 Josh Summers 12/28/2023
205 RMA Group 6976 Convoy Court San Diego CA 92111 Steve Pitzer 11/21/2021
147 RMA Group 130 Archer Street San Jose CA 95112 Josh Summers 11/09/2022
17 RMA Group 12130 Santa Margarita Court Rancho Cucamonga CA 91730 Slawek Dymerski 11/25/2021
313 RMA Group 1210 E. 223rd St., Suite 319 Carson AA 90745 Steve Pitzer 01/07/2022
318 S2 Engineering 1145 Industrial Avenue, Suite F Escondido CA 92029 Subramony Krishnamoorthy 03/10/2025
195 SALEM Engineering Group, Inc. 4729 W. Jacquelyn Avenue Fresno CA 93722 Joshua Rhodes 03/03/2024
322 SCST, Inc. 9549 Slauson Avenue Pico Rivera CA 90660 Emil Rudolph 05/04/2022
250 SHN Consulting Engineers & Geologists, Inc. 335 S. Main Street Willits CA 95490 John Dailey 12/29/2021
125 SHN Consulting Engineers & Geologists, Inc. 812 West Wabash Eureka CA 95501 Jordan Ludtke 03/22/2024
59 Signet Testing Laboratories, Inc. 3526 Breakwater Ct. Hayward CA 94545 Osama El-Fiky 07/11/2023
25 Smith-Emery Laboratories, Inc. 781 E. Washington Blvd Los Angeles CA 90021 Ed Salazar 01/15/2022
252 Smith-Emery Laboratories, Inc. 1197 N. Tustin Avenue Anaheim CA 92807 Robert Rineer 09/09/2023
56 Smith-Emery San Francisco 1940 Oakdale Avenue San Francisco CA 94124 Carl Eklund 04/06/2022
324 SMS Geotechnical Solutions, Inc. 5931 Sea Lion Place, Suite 109 Carlsbad CA 92010 Mehdi Shariat 08/21/2023
46 Soils Engineering, Inc. 4400 Yeager Way Bakersfield CA 93313 Tony Frangie 10/24/2024
90 Southwest Inspection & Testing, Inc. 441 Commercial Way La Habra CA 90631 Zafar Ahmed 11/23/2021
305 Structure Groups 2352 Research Drive Livermore CA 94550 Finnegan Mwape 02/10/2023
273 Subsurface Designs, Inc. 12848 Foothill Boulevard Sylmar CA 91342 Jon Mahn 01/31/2023
51 Technicon Engineering Services, Inc. 4539 N. Brawley, Suite 108 Fresno CA 93722 Darren Williams 05/29/2024
62 Terracon Consultants, Inc. 1355 E. Cooley Drive, Suite C Colton CA 92324 A. Shafiq Popalzai 01/23/2022
96 Terracon Consultants, Inc. 902 Industrial Way Lodi CA 95240 Troy Schiess 12/07/2021
308 Terracon Consultants, Inc. 1421 Edinger Ave., Unit C Tustin CA 92780 Fred Buhamdan 05/15/2023
199 Terracon Consultants, Inc. 50 Goldenland Court, Suite 100 Sacramento CA 95834 Ryan King 11/07/2021
33 Testing Engineers, Inc. 2811 Teagarden Street San Leandro CA 94577 Collin Stock 12/06/2023
204 TGR Geotechnical, Inc. 3037 S. Harbor Boulevard Santa Ana CA 92704 Sanjay Govil 01/02/2022
162 TRC Engineers, Inc. 1920 Old Middlefield Way Mountain View CA 94043 Mustafa Dogan 11/02/2021
275 Twining Consulting, Inc. 18011 Sky Park Circle, Suite J Irvine CA 92614 Benito Caban 04/15/2023
60 Twining Inc. 3310 E. Airport Way Long Beach CA 90806 Linas Vitkus 04/25/2025
244 Twining Inc. - Ventura 1879 Portola Road, Suite G Ventura CA 93003 Jeff Tawakoli 03/07/2024
288 Twining, Inc. 111 Main St., Unit A Riverside CA 92501 Sammy Daghighi 10/02/2024
286 Twining, Inc. 1572 Santa Ana Avenue Sacramento CA 95838 Gabriel Hernandez 10/31/2024
187 Twining, Inc. 15950 Bernardo Center Drive, Suite G San Diego CA 92127 Benito Caban 03/28/2023
116 Wallace-Kuhl & Associates 3050 Industrial Boulevard West Sacramento CA 95691 David Hunn 12/10/2021
227 Wallace-Kuhl and Associates 3422 W. Hammer Lane, Suite D Stockton CA 95219 Kevin Watson 08/03/2023
260 Willdan Geotechnical 1515 S. Sunkist St., Suite E Anaheim CA 92806 Mohsen Rahimian 11/24/2021
26 Wood Environment & Infrastructure Solutions 9177 Sky Park Court, Suite A San Diego CA 92123 David Wilson 05/28/2024
197 Wood Environment & Infrastructure Solutions, Inc. 6001 Rickenbacker Rd. Los Angeles CA 90040 Ian Maclean 05/11/2024
13 Youngdahl Consulting Group Inc. 1234 Glenhaven Court El Dorado Hills CA 95762 Martha McDonnell 10/24/2022
Note:There are 159 laboratories, to view the other laboratories click on the above page numbers.

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