| American Power Conversion | http://www.apcc.com |
| Best Power | http://www.bestpower-emea.com |
| Chloride Power Electronics | http://www.chloridepower.com |
| Exide Electronics | http://www.europe.exide.com |
| Fiskars | http://www.europe.exide.com |
| Merlin Gerin | http://www-merlin-gerin.eunet.fr |
| Online Computer USV-Systeme | http://www.online-ups.com |