| Client name | City | Country |
|---|---|---|
| AGT-PSG GmbH | Steinbach | Germany |
| 0242-WORLEY ENGINEERING SINGAPORE PTE. LTD. | Singapore | Singapore |
| 24/7 Metering GmbH | Mannheim | Germany |
| A-B-T bv | Tilburg | Netherlands |
| A. Hock MSR- u. Elektronic Service GmbH | Wörth am Main | Germany |
| A.K.L. Computer Beratungs- und | Wien | Austria |
| A.N. INSTRUMENTS PVT. LTD | Kolkata | India |
| A/S Dansk Shell | Fredericia | Denmark |
| Aalberts Integrated Piping Systems | Charlotte | United States |
| ABB AG | Graz | Austria |
| ABB AG | Mannheim | Germany |
| ABB Automation Products GmbH | Ratingen | Germany |
| ABB Automation Products GmbH | Alzenau | Germany |
| ABB Automation Products GmbH | Minden | Germany |
| ABB Enertech AG | Winterthur | Switzerland |
| ABB Engineering (Shanghai) Ltd. | Shanghai | China |
| ABB Ltd | Bangalore | India |
| ABB Lummus Global GmbH | Leuna | Germany |
| ABB Schweiz AG | Baden-Dättwil | Switzerland |
| Abbott Laboratories GmbH | Neustadt / a. Rbge | Germany |
| ABEKON Ingenieurgesellschaft für | Wetter | Germany |
| Abfallwirtschaft und Stadtreinigungsbetrieb | Nürnberg | Germany |
| ABK Armaturenbau Köln GmbH | Köln | Germany |
| ACE VALVE Company Limited | Gimhae | Republic of Korea |
| Acordis Industrial Fibers GmbH | Obernburg | Germany |