These are the technologies that I have used professionally, for pay.  This is not a list of academic or theory work.

Development:
Borland Delphi 1,2,3,5
Microsoft Visual Basic 3,4,5
MVS COBOL
IBM MQSeries
Realia COBOL
Crystal Reports 3,4,5,6,7
Paradox 4.5 DOS
Quick Basic
Tandy Basic

Databases:
VSAM
ADABAS
Access
Paradox
dBase

Telecommunications:
Apprentice for
      Thomas Weindorf
      Telecom Expert

Internet:
HTML 
FTP
SMTP
POP3
CGI
Proxy and Firewall

Supported Packages:
Internet Explorer 1,2,3,4,5
Netscape Navigator 3,4
AutoCAD 9,10,11
MS Office 97 Pro
MS Office 2000 Pro
MS FrontPage 98, 2000
Corel Office 7
WordPerfect 4,5,6
Quattro Pro 5
WinFax Pro 8
EXTRA! Emulator
Fisher TAO Client
Other popular packages

Networking:
Novell Netware 3, 4
NT Server 4.0 SP6
MS IIS Server
MS Proxy Server
WinGate Internet proxy
Windows peer-to-peer
Token Ring
Ethernet 10/100

Hardware:
Level 5 wiring
BNC Thin net
Variety of NIC cards
Variety of Hubs

Operating Systems:
NT Workstation 4.0 SP6
Windows 98
Windows 95