OEM History Capabilities not limited to the OEM's List is not inclusive
- ADC
- ADTRAN
- AFC
- Alcatel
- Applied Digital Access
- Applied Innovations
- AT&T
- Austron
- Calix
- Cascade
- Charles Industries
- Ciena
- Cisco
- Dantel
- DSC Communications
- DVAC
- JFujitsu
- General Datacom
- GDC
- Heikimian
- Integrated Network Systems
- Kentrox
- Lucent
- Marconi/Emerson
- Motorola
- NEC America
- Newbridge
- Nokia
- Nortel Networks
- Pairgain Tech
- Peco II
- Pulsecom
- Racal
- Raychem
- Redback
- RelTec
- Rockwell
- Seicor
- Sprint
- Telecom Solutions
- Telect
- Tellabs/AFC
- Valere
- Wescom