greeneagle certification GmbH
- Beim Strohhause 17, 20097 Hamburg
- +49 (40) 790235-200
- +49 (40) 790235-220
WIND-certification GmbH
- Reuterstraße 10, 18211 Bargeshagen
- +49 (38203) 748310
- +49 (38203) 748311
WindGuard Certification GmbH
- Oldenburger Straße 65, 26316 Varel
- +49 (4451) 9515-274
- +49 (4451) 9515-218
Aircraft Design & Certification ltd
- Reichensteinstrasse 48, 69151 Neckargemünd
- +49 (179) 6019548
Green Business Certification Inc.
- P.O. Box 822964, Philadelphia
Arsenal Railway Certification GmbH
- Am Spitz 3/6/9, 1210 Wien
- +43 (1) 2580112
- +43 (1) 2580112-10
Railway Competence and Certification GmbH
- Waagner-Biro-Strasse 125, 8020 Graz
- +43 (316) 228454
- +43 (316) 228454-15
LPI Central Europe - Open Source Certification GmbH
- Karthäuserstrasse 8, 34117 Kassel
- +49 (561) 80700-50
- +49 (561) 80700-20
DEWI-OCC Offshore and Certification Centre GmbH
- Am Seedeich 9, 27472 Cuxhaven
- +49 (4721) 5088-0
- +49 (4721) 5088-43
EUROCAT - Institute for Certification and Testing GmbH
- Wittichstraße 2, 64295 Darmstadt
- +49 (6151) 50035-0
- +49 (6151) 50035-50