| Certification Type | Certified | Expiration |
| 01 Certified Aggregate Technician | 08/23/2021 | 08/23/2026 |
| 02 Certified Embankment Technician | 06/29/2021 | 06/29/2026 |
| 06 Certified Density Technician | 04/13/2021 | 04/13/2026 |
| 07 Quality Control Technician | 01/27/2022 | 01/27/2027 |