Suspended Certificates
| Certificate# | Laboratory | Contact | City, State | Phone | Fax | Effective Date | Field of Testing |
| 2233.01 | Bandy & Associates | S. Bandy | Houston, TX | 713 947 1055 | 713 947 9322 | 09/01/2010 | Construction Materials |
| 1748.01 | Costello Enterprises | Thomas Orban | Chesterfield Township, MI | 586 615 6307 | 586 566 6819 | 06/17/2010 | Mechanical |
| 275.01 | Geoscience Engineering & Testing, Inc. | Jim Palavan | Houston, TX | 713 861 9700 | 713 861 4477 | 06/22/2010 | Construction Materials |
| 193.01 | Ground Technology, Inc. | Ruma Acharya | Houston, TX | 281 597 8866 | 281 597 8308 | 06/25/2010 | Construction Materials |
| 193.02 | Ground Technology, Inc. | Ruma Acharya | Houston, TX | 281 597 8866 | 281 597 8308 | 06/25/2010 | Geotechnical |
