| Certificaathouder | Certificaatnummer | Product | Trede | Geldig tot | Uitgestelde datum ASA | Plaats | Land | Kvk |
|---|---|---|---|---|---|---|---|---|
| Dutch Steigers B.V. | 25021101 | SCL Light | 3 | 10-02-2028 | Amsterdam | NL | 33231023 | |
| Van Spijker Infrabouw B.V. | 3301051 | SCL Original | 4 | 20-06-2028 | Meppel | NL | 04027497 | |
| BLK projects B.V. | 3451133 | SCL | 2 | 18-06-2028 | Lijnden | NL | 64545342 | |
| De Heer land en water B.V. | 0418SCL503 | SCL | 3 | 25-06-2028 | Lopik | NL | 30158975 | |
| Tennet TSO GmbH, Large Projects Offshore Germany (LOG) | 0418SCL502 | SCL | 4 | 25-06-2027 | Bayreuth | DE | 4923 | |
| Offshore-Entwicklung (OD), Engineering und Services (ES)(Tennet TSO GmbH, Large Projects Offshore Germany (LOG)) | 0418SCL502 | SCL | 4 | 25-06-2027 | DE | 4923 | ||
| Project Management Office (PMO)(Tennet TSO GmbH, Large Projects Offshore Germany (LOG)) | 0418SCL502 | SCL | 4 | 25-06-2027 | DE | 4923 | ||
| Wegenbouw Lansink B.V. | NCK.2024.0528.SCL.N0182 | SCL | 3 | 05-03-2028 | Saasveld | NL | 06065383 | |
| Van Tunen Group B.V. | NCK.2026.SCL.2600003 | SCL | 3 | 08-12-2028 | Beverwijk | NL | 57422346 | |
| Elektro Scheppers B.V. | NCK.2024.0570.SCLLight.N0145 | SCL Light | 3 | 17-02-2028 | Weert | NL | 13039475 | |
| Toes Montage B.V. | NCK.2025.SCLASA.2500006 | Approved Self Assessment | 12-05-2028 | Schagen | NL | 37072601 | ||
| Slob Noordeloos B.V. | NCK.2024.0564.SCLLight.N0144 | SCL Light | 3 | 15-01-2028 | Arkel | NL | 63028034 |