Rian Consulting has experience in the following technologies :

Power Builder
Windows XP/7/8/10 - Server 2008/2012
TCP/IP
Internet/Intranet
RF and Broad Spectrum Bar Code Technology
UNIX
SNA
OS/MVS
DOS
Mobile Work Stations
Smart Card Technology
Oracle/Oracle Tools and Case
Sybase
Informix
MS SQL
Paradox
Novell
and many others.