SFP

Cisco

Adtran

Adva

Alcatel-Lucent

Allied Telesis

Aruba

Avaya

Brocade-Foundry

Calix

Cyan 

Dell

Enterasys

Ericsson

Extreme

F5

Force10

Fortinet

Gigamon

Harmonic

HP

Huawei

Juniper

Linksys

Zyxel