| Certificaathouder | Certificaatnummer | Product | Trede | Geldig tot | Hoofdvestiging | Land | Kvk |
|---|---|---|---|---|---|---|---|
| Elia Transmission Belgium | K-0215385/1 | SCL | 3 | 31-10-2026 | Brussel | BE | BE 0431.852.231 |
| Schaerbeek(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Brussel | BE | |
| Monnoyer(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Brussel | BE | |
| Merksem(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Anvers | BE | |
| Crealys(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Gembloux | BE | |
| Villeroux(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Vaux-sur-sûre | BE | |
| Bressoux(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Bressoux | BE | |
| Gouy(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Gouy -lez -piéton | BE | |
| Lendelede(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Lendelede | BE | |
| Lochristi(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Lochristi | BE | |
| Stalen(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Genk | BE | |
| Oostende(Elia Transmission Belgium) | K-0215385/1 | SCL | 3 | 31-10-2026 | Oostende | BE | |
| Bohlen & Doyen Bau GmbH | K-0213743 | SCL | 3 | 06-10-2026 | Wiesmoor | DE | 205042 |
| Arie Hollenberg Sloop-en Milieuwerken B.V. | RQA00002119/5662290 | SCL | 3 | 23-11-2026 | Zuidoostbeemster | NL | 36040954 |
| NKT GmbH & Co. KG. | 2251410 | SCL | 3 | 28-03-2025 | Köln | DE | HRB 14110 |
| NKT HV Cables AB(NKT GmbH & Co. KG.) | 2251410 | SCL | 3 | 28-03-2025 | Karlskrona | SE | HRB 14110 |
| Prysmian Powerlink S.R.L. | RQA00001463/6431602 | SCL | 3 | 29-11-2026 | Milano | IT | 05931070964 |
| Zwapex Holding B.V. | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Rotterdam | NL | 24386666 |
| Zwapex Afdichtingstechnieken B.V.(Zwapex Holding B.V.) | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Rotterdam | NL | 27224663 |
| Everseal B.V.(Zwapex Holding B.V.) | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Hellevoetsluis | NL | 20059189 |
| Zwapex Milieuafdichting B.V.(Zwapex Holding B.V.) | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Rotterdam | NL | 27162364 |
| WCC Brandbescherming B.V.(Zwapex Holding B.V.) | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Rotterdam | NL | 24185482 |
| Kitfix Betontechnieken B.V.(Zwapex Holding B.V.) | K-0214271/1 | SCL Original | 2 | 30-11-2026 | Dirksland | NL | 57808902 |
| Fluxpower B.V. | 2870232 | SCL | 4 | 15-12-2026 | Wageningen | NL | 62769529 |
| Flux Transformer Services B.V. - met handelsnaam Fluxinspect(Fluxpower B.V.) | 2870232 | SCL | 4 | 15-12-2026 | Wageningen | NL | 75805723 |
| Strukton Roads & Concrete B.V. | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Utrecht | NL | 30226233 |
| Strukton Wegen & Beton (locatie Breda)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Breda | NL | |
| Strukton Wegen & Beton (locatie Groningen)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Groningen | NL | |
| Strukton Wegen & Beton (locatie Medemblik)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Medemblik | NL | |
| Strukton Wegen & Beton (locatie Oldenzaal)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Oldenzaal | NL | |
| Strukton Wegen & Beton (locatie Sittard)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Sittard | NL | |
| Strukton Wegen & Beton (locatie Stellendam)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Stellendam | NL | |
| Strukton Wegen & Beton (locatie Den Haag)(Strukton Roads & Concrete B.V.) | K-0221610/ 3 | SCL Original | 4 | 26-11-2027 | Den Haag | NL | 30226233 |
| Sweco Nederland Holding B.V. | RQA1399115/6692652 | SCL | 3 | 11-11-2027 | De Bilt | NL | 30161447 |
| Sweco Nederland B.V.(Sweco Nederland Holding B.V.) | RQA1399115/6692652 | SCL | 3 | 11-11-2027 | De Bilt | NL | 27091285 |
| Sweco Vastgoedmanagement B.V. (Sweco Nederland Holding B.V.) | RQA1399115/6692652 | SCL | 3 | 11-11-2027 | De Bilt | NL | 23064728 |
| Sweco Architects B.V.(Sweco Nederland Holding B.V.) | RQA1399115/6692652 | SCL | 3 | 11-11-2027 | Eindhoven | NL | |
| N-Sea Group B.V. | RQA00001844/5814052 | SCL | 3 | 17-12-2026 | Dordrecht | NL | 22017742 |