| Company Name | Country | Sector |
|---|---|---|
| Capio (UK) | UK | Healthcare |
| Elcogas | Spain | Electricity |
| Elcogas | Spain | Energy |
| HCDA | UK | Healthcare |
| KWU | Germany | |
| London Healthcare | UK | Healthcare |
| Mapeley Holdings | UK | |
| PT Jawa Power | Indonesia | Electricity |
| PT Jawa Power | Indonesia | Energy |
| Siemens (Austria) | Austria | |
| Siemens (Belgium) | Belgium | |
| Siemens (Denmark) | Denmark | |
| Siemens (Finland) | Finland | |
| Siemens (France) | France | Energy |
| Siemens (Germany) | Germany | |
| Siemens (Greece) | Greece | |
| Siemens (Hungary) | Hungary | |
| Siemens (Ireland) | Ireland | |
| Siemens (Italy) | Italy | |
| Siemens (Nederland) | Netherlands | |
| Siemens (Norway) | Norway | |
| Siemens (Portugal) | Portugal | |
| Siemens (Spain) | Spain | |
| Siemens (Sweden) | Sweden | |
| Siemens (US) | USA | |
| Siemens Business | UK | |
| Siemens Nixdorf | UK | |
| TIDCO | India | |
| Turbogas | Portugal | Energy |
| Turbogas | Portugal | Electricity |
|
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UNICORN works with trade unions around the world to combat bribery and corruption |
