- Computer Business Electronic Systems (CBE Systems), a San Francisco, California based company, is the solution you need for LAN, WAN and System Integration. CBE provides network consulting, installation, maintenance and upgrade for small to midsize companies. Networking Operating Systems support by CBE are LANtastic, Netware3.1x, 4.x, 5.0, TCP/IP, Unixware 2.0, Windows for Workgroup, Windows NT ...www.cbes.net