List of Certified Individuals
| Cert. nr. | Name | Methods | Issue date | Valid until |
| NL001L3A | John Linnemeijer | RT MT UT PT ET | 10-11-2021 | 10-11-2026 |
| NL002L3A | Franc Buijsen | RT MT UT ET | 2-2-2021 | 2-2-2026 |
| NL003L3A | Piet van Es | RT UT PT ET MT | 1-3-2024 | 1-3-2029 |
| NL007L3A | Jan Pieter van der Lei | MT UT PT ET ST | 25-7-2022 | 25-7-2027 |
| NL009L3 | Peter van Haren | MT UT PT ET | 27-2-2023 | 27-2-2028 |
| NL010L3 | Jan Mathijssen | RT | 21-03-2024 | 21-03-2029 |
| NL013L3 | Pieter Troost | MT PT TT | 1-10-2020 | 1-10-2025 |
| NL026L3 | Dirk Teunis du Pon | PT MT ET UT | 23-10-2020 | 23-10-2025 |
| NL027L3 | René de Bakker | MT PT ET | 12-3-2020 | 12-3-2025 |
| NL030L3 | Nicky Thijs | MT PT | 13-10-2020 | 13-10-2025 |
| NL031L3 | Jean Hofman | MT PT | 10-11-2021 | 10-11-2026 |
| NL033L3 | Ronald Wierbos | UT | 24-8-2023 | 24-8-2028 |
| NL034L3 | Roland van Gijzel | PT RT | 29-7-2020 | 29-7-2025 |
| NL035L3 | Robert Johannes Luiten | ET UT PT MT | 9-11-2021 | 9-11-2026 |
| NL039/L3 | Milko Mario Voskuijl | MT PT | 18-4-2024 | 18-4-2029 |
| NL040/L3 | Simone Huisman | MT PT | 9-7-2020 | 9-7-2025 |
| NL041/L3 | Jose Zimmerman | MT PT ET UT | 6-5-2021 | 6-5-2026 |
| NL042/L3 | Krastan Mitrev | ET MT PT RT UT TT | 18-8-2022 | 18-8-2027 |
| NL043/L3 | Rick Jan Meerman | PT RT | 7-10-2022 | 7-10-2027 |
| NL044/L3 | C.G. van der Waa | ET | 30-6-2023 | 30-6-2028 |
| NL045/L3 | Fabian van Tilt | PT | 10-10-2023 | 10-10-2028 |
| NL046/L3 | Antoinetta Capitanio | UT | 6-6-2024 | 17-01-2028 |