AEA Technology www.aeat.com
Amec Foster Wheelerwww.amecfw.com
Atkins www.atkinsglobal.com
Bechtel Ltdwww.bechtel.com
DPS Engineeringwww.dpseng.com
Fluorwww.fluor.com
GHDwww.ghd.com
Granherne www.granherne.com
Hatch www.hatch.com
KBRwww.kbr.com
MWHwww.mwhglobal.com
Parsons www.parsons.com
Parsons Brinkerhoffwww.pbworld.com
PM Groupwww.pmgroup-global.com
Saipemwww.saipem.com
Simon Carveswww.simoncarveseng.com
SNC-Lavalin www.snc-lavalin.com
Technipwww.technip.com
The Shaw Groupwww.shawgrp.com
ThyssenKruppwww.thyssenkrupp.com
URSwww.urscorp.com
Whessoe Oil and Gas Ltdwww.whessoe.co.uk
Woodwww.wood.com
Worley Parsonswww.worleyparsons.com