| www.3com.com | 3Com |
| www.apc.com | APC |
| www.avaya.it | Avaya |
| www.alliedtelesyn.com | ATI |
| www.cisco.com | Cisco Systems |
| www.ethermanage.com | Corso educativo Ethernet |
| www.d-link.com | D-Link |
| www.esse-ti.it | Esse-Ti Telecomunicazioni |
| www.fitre.it | Fitre |
| wwww.hp.com | Hewlett Packard |
| www.ibm.com | IBM |
| www.linksys.com | LinkSys |
| www.mrv.com | MRV Communications |
| www.mitel.com | Mitel Networks |
| www.nortel.com | Nortel Networks |
| www.onlineups.it | OnLine |
| www.raytalk.com | RayTalk |
| www.siemens.com | Siemens |
| - Apparati rete e telefonia |
