OSHPD Preapproved Agency (OPAA)*
Approved Agencies for Structural Tests and Special Inspections

OSHPD Preapproved Agency (OPAA)Number Approved Agency Name City County State
(Use Country Name for non-US Labs)
ZIP Code Services Provided Approval Expiration Date Comments
  Testing Speical Inspections  
OPAA-0001-16 Southwest Research Institute San Antonio Bexar Texas 78227 Yes No 03/31/2018 See Attachment
OPAA-0002-16 Ninyo and Moore San Diego San Diego CA 92123 Yes Yes 09/07/2018 See Attachment
OPAA-0003-16 Achievement Engineering San Jose Santa Clara CA 95131 Yes Yes 10/18/2020 See Attachment
OPAA-0004-16 Applied Materials & Engineering Oakland Alameda CA 94608 Yes Yes 03/22/2020 See Attachment
OPAA-0005-16 Twining Ventura Ventura CA 93003 Yes Yes 03/07/2020 See Attachment
OPAA-0006-16 Moore Twining Fresno Fresno CA 93721 Yes Yes 05/29/2020 See Attachment
OPAA-0007-16 IABG Ottobrunn (Munich) Bavaria Germany D-85521 Yes No 10/18/2017 See Attachment
OPAA-0008-16 DCL Sparks Washoe NV 89431 Yes No 01/24/2023 See Attachment
OPAA-0009-16 Group Delta Consultants San Diego San Diego CA 92126 Yes Yes 09/15/2020 See Attachment
OPAA-0010-16 Kleinfelder West Ontario San Bernardino CA 91762 Yes Yes 07/01/2010 See Attachment
OPAA-0011-16 Twining San Bernardino San Bernardino CA 91730 Yes Yes In Review In Review
OPAA-0012-16 SCST San Diego San Diego CA 92120 Yes Yes 07/25/2017 See Attachment
OPAA-0013-16 Twining Inc. Long Beach Los Angeles CA 90806 Yes Yes 06/25/2017 See Attachment


*See Poicy Intent Notice 58 (PIN 58).


This page was last updated on Friday, May 12, 2017.