| Customer | Location | Industry |
|---|---|---|
| Alpine Energie | Graz / Austria | Engineering |
| Andritz | Graz / Austria | Industrial plant engineering |
| Areva | Germany | Plant construction / engineering |
| Elektro Egger | Austria | Electrical engineering |
| emc – Elektrotechnik | Böheimkirchen / Austria | Engineering |
| GAW | Graz / Austria | Industrial plant engineering |
| GEVA Automation | Aachen / Germany | Automation technology |
| Inteco | Bruck an der Mur / Austria | Plant construction / engineering |
| Klamper Elektroanlagenbau | Austria | Electrical engineering |
| Kremsmüller Industrieanlagenbau | Austria | Plant construction / engineering |
| Net – Automation | Zeltweg / Austria | Automation technology |
| Siemens AG | Austria | Electrical industry |
| Siemens AG | Germany | Electrical industry |
| Siemens AG | Portugal | Electrical industry |
| Siemens Bacon | Wien / Austria | Plant construction / engineering |
| Stadtwerke Judenburg | Austria | Electrical engineering |
| UPG | Vaasa / Finland | Engineering |
| Voith Hydro | St. Pölten / Austria | Plant construction / engineering |
| Winter | Knittelfeld / Austria | Electrical engineering |
