| Certification Type | Certified | Expiration |
| 01 Certified Aggregate Technician | 03/24/2023 | 03/24/2026 |
| 02 Certified Embankment Technician | 02/03/2023 | 02/03/2026 |
| 06 Certified Density Technician | 04/28/2023 | 04/28/2026 |
| 07 Quality Control Technician | 04/05/2023 | 01/26/2028 |