| Certificaathouder | Certificaatnummer | Product | Trede | Geldig tot | Hoofdvestiging | Land | Kvk |
|---|---|---|---|---|---|---|---|
| LS Cable & System Ltd. | SEO00000655/6793794 | SCL | 3 | 08-10-2027 | Gyeonggi | KR | 138-81-47634 |
| Gumi Plant(LS Cable & System Ltd.) | SEO00000655/6793794 | SCL | 3 | 08-10-2027 | Gyeongbuk | KR | 138-81-47634 |
| Indong Plant(LS Cable & System Ltd.) | SEO00000655/6793794 | SCL | 3 | 08-10-2027 | Gyeongbuk | KR | 138-81-47634 |
| Donghae Plant(LS Cable & System Ltd.) | SEO00000655/6793794 | SCL | 3 | 08-10-2027 | Gangwon | KR | 138-81-47634 |
| Sterk Holding B.V. | 0418SCL428 | SCL | 3 | 26-07-2027 | Drachten | NL | 01045984 |
| Sterk B.V.(Sterk Holding B.V.) | 0418SCL428 | SCL | 3 | 26-07-2027 | Drachten | NL | 01073386 |
| Sterk Metaal B.V.(Sterk Holding B.V.) | 0418SCL428 | SCL | 3 | 26-07-2027 | Drachten | NL | 01127901 |
| BERNARD Gruppe ZT GmbH | KLN00001033/6781490 | SCL | 3 | 29-08-2027 | Hall in Tirol | AT | ATU61623915 |
| TES Groep B.V. | 0418SCL-L092 | SCL Light | 3 | 25-11-2027 | Tilburg | NL | 18025807 |
| Van der Ende Steel Protectors Group B.V. | 10000451370-MSC-DNV GL-NLD | SCL Original | 3 | 08-09-2027 | Barendrecht | NL | 24173081 |
| Van der Ende Infra Zuid B.V.(Van der Ende Steel Protectors Group B.V.) | 10000451370-MSC-DNV GL-NLD | SCL Original | 3 | 08-09-2027 | Barendrecht | NL | 75450801 |
| Van der Ende Infrastructure B.V.(Van der Ende Steel Protectors Group B.V.) | 10000451370-MSC-DNV GL-NLD | SCL Original | 3 | 08-09-2027 | Barendrecht | NL | 24191403 |
| Van der Ende Infra West B.V.(Van der Ende Steel Protectors Group B.V.) | 10000451370-MSC-DNV GL-NLD | SCL Original | 3 | 08-09-2027 | Barendrecht | NL | 75450712 |
| Van der Ende Infra B.V.(Van der Ende Steel Protectors Group B.V.) | 10000451370-MSC-DNV GL-NLD | SCL Original | 3 | 08-09-2027 | Barendrecht | NL | 75450305 |
| G&S Bouw B.V. | 3076151-002 | SCL | 4 | 19-04-2027 | Amsterdam | NL | 33172090 |
| Skytek GmbH | 10000460208-MSC-DNV GL-DEU | SCL | 3 | 17-08-2027 | Klagenfurt | AU | 117932 |
| Van Gelder Telecom B.V. | K-0219970/1 | SCL Original | 4 | 09-09-2027 | Elburg | NL | 08183030 |
| Ünsal Holding B.V. | 2946932 | SCL | 4 | 22-09-2026 | Barendrecht | NL | 24409911 |
| Ünsal Infratechniek B.V. (Ünsal Holding B.V.) | 2946932 | SCL | 4 | 22-09-2026 | Barendrecht | NL | 24408981 |
| Uitzend- en Aannemingsbedrijf Ünsal B.V.(Ünsal Holding B.V.) | 2946932 | SCL | 4 | 22-09-2026 | Barendrecht | NL | 24304897 |
| Schilderwerken Schilders B.V. | 3096865 | SCL Light | 3 | 18-11-2027 | Tilburg | NL | 18022235 |