| Certification Type | Certified | Expiration |
| 01 Certified Aggregate Technician | 11/16/2023 | 11/16/2026 |
| 02 Certified Embankment Technician | 02/01/2024 | 02/01/2027 |
| 06 Certified Density Technician | 05/20/2022 | 05/20/2025 |
| 07 Quality Control Technician | 09/29/2022 | 06/14/2027 |