| Country | Companies |
|---|---|
| Italy | 22 |
| Greece | 5 |
| China | 9 |
| Austria | 11 |
| Ireland | 5 |
| Russia | 2 |
| Sweden | 4 |
| New Zealand | 3 |
| Belgium | 9 |
| Jamaica | 1 |
| Slovenia | 1 |
| Slovakia | 2 |
| Denmark | 4 |
| Australia | 14 |
| Japan | 4 |
| South Africa | 1 |
| Afghanistan | 1 |
| United Kingdom | 54 |
| Poland | 17 |
| France | 20 |
| Hungary | 1 |
| Serbia | 3 |
| Switzerland | 7 |