This information taken from the 1997 April issue of Red Herring. (Occasional subsequent updates)
Publicly Held Companies:
3Com
ACT Networks
Asanté Technologies
Ascend Communications ; bought by Lucent as of 2004
Banyan Systems; no such site as of 2004
Bay Networks; Forwards to Nortel as of 2004
Cabletron Systems; Now called Entera Systems
Cisco Systems
Dynatech Communications; Domain name for sale, 2004
Fore Systems; Forwards to Marconi, 2004
Fujitsu
Gandalf Technologies; No such site, 2004
Hewlett-Packard
IBM— (Networking)
Netstar; Site malfunctions, 2004; Perhaps here
Network General; Forwards to Northrop Grumman
Network Peripherals; URL repurposed, 2004
Newbridge Networks; Forwards to Alcatel, 2004
Novell; no hardware now, just software
Optical Data Systems; Gone, 2004
Premisys Communication Holdings; now a part of Zhone Technologies
Security Dynamics; Forwards to RSA. No hardware now, I think.
Shiva; Part of Dialogic now.
Stratacom; URL repurposed, 2004. Stratacom is now Cisco product name.
U.S. Robotics
UB Networks; Forwards to Tandem (in HP), 2004
Xylan; Forwards to Alcatel, 2004
Privately Held Companies:
Agile Networks
Amber Wave Systems
ATM
Cogent Data Technologies
Com21
CommVision
Efficient Networks
Enigma Logic
Essential Communications
Farallon Computing
First Virtual Corporation
Hybrid Networks
Ipsilon Networks
Jetstream Communications
Kaspia
Lantronix
Larscom
Maxm Systems
Nashoba Networks
NetEdge Systems
Netlink
Netsolve
Optimal Networks
Starlight Networks
Stonybrook Software
Symplex Comm.
Systems & Networks
Whitetree
Xedia
Zeitnet
Net2net