- RijnDijk Steel Contracting (Budel, NL)
- Ballast-Nedam NW (Zaandam, NL)
- Patina (Beverwijk, NL)
- Bijlbouw (Alblasserdam, NL)
- Corus (PRS-CSPY) (IJmuiden, NL)
- SVO-Training & Advies (Houten, NL)
- HSM Steel Structures (Schiedam, NL)
- Boskalis-Westminster (Ras Laffan, QA)
- Lurgi Frankfurt (DE)
Linde Engineering Dresden (DE)
Gassco Emden (DE)
BASF Ludwigshafen (DE)
E.ON Maasvlakte (NL) and Gelsenkirchen (DE)
TUEV-Nederland (DE)
Det Norske Veritas (DE)
DSM (LoKu, Geleen, DE)
Rolini Constructors C.A. (Caracas, VE)
SIM S.p.a. (Priolo Gargallo, IT)
General Services (Siracusa, IT)
MS-Design (Roppen, AT)
Moody Tottrup Hellas (Athene, GR)
Truckland (Rotterdam, NL)
Stork-Fokker AESP (Papendrecht, NL)
