| Client name | City | Country |
|---|---|---|
| Aker Kvaerner Engineering Services Ltd | Stockton on Tees | United Kingdom |
| Aker Process GmbH | Köln | Germany |
| Akzo Nobel Energy B.V. / Delesto B.V. | Delfzijl | Netherlands |
| Akzo Nobel Nederland | Arnhem | Netherlands |
| Akzo Nobel Nederland BV | Arnheim | Netherlands |
| Al Dastoor Contracting & Trading llc | Muttrah, Ruwi | Oman |
| Al-Jubail Petrochemical Company (Kemya) | Al-Jubail | Saudi Arabia |
| Alco Bio Fuel NV | Gent (Sint-Kruis-Winkel) | Belgium |
| Alexander Girke Engineering | Dresden | Germany |
| ALF-SENSOR SPÓLKA JAWNA | Kraków | Poland |
| Alfa Laval GmbH | Glinde | Germany |
| Allessa GmbH | Frankfurt am Main | Germany |
| Almad General Trading Ltd. | Baghdad | Iraq |
| alpha meß-steuer-regeltechnik gmbh | Leipzig | Germany |
| Alstom | Stuttgart | Germany |
| ALSTOM Bharat Forge Power Pvt. Ltd. | Noida | India |
| ALSTOM Carbon Capture GmbH | Mainz-Kastel (Wiesbaden) | Germany |
| ALSTOM Deutschland AG | Mannheim | Germany |
| Alstom Power Service GmbH | Berlin | Germany |
| Alstom Power Systems | Boulogne-Billancourt | France |
| Alstom S.p.A. | Sesto San Giovanni | Italy |
| AlzChem Trostberg GmbH | Trostberg | Germany |
| Amec Foster Wheeler France | Charenton Le Pont. | France |
| Amec Foster Wheeler Group Ltd | Knutsford | United Kingdom |
| AMR GmbH | Schwechat | Austria |
Deutsch
English