Hardware: HP, Dell, Compaq, Siemens, IBM, Gateway, and Clone PCs and Servers.
Notebook/Laptop: Dell, Compaq, Siemens, and Toshiba
O/S: MS-DOS, Windows 3.1, 3.11, Windows95, Windows98, Windows NT 3.5, 3.51, 4.0 Server and Workstation, Windows 2000 Professional and Server, Windows 2008 Server Enterprise, Windows 2000/ME/XP/Win7/Win8.1, Linux, Unix, Netware 3.1x-4.0
Computer Languages: Visual Basic, Foxpro, Fortran 77, Pascal, and HTML.
System Software: MS-Mail, DNS, RAS, RPC, Microsoft Back office product, Ms Exchange Server, Outlook 97& 2000,2003
Database: dBase iv, Foxpro, and MS SQL
Network: LAN, WAN, Ethernet, Token Ring, Wi-Fi, Wireless LAN, Serial Communication, and Internet Network.
Utility Software: Norton, PC tools, Disk Manager, QA Plus, Data Recovery Utilities.
Anti-Virus: McAfee Enterprise, Norton, Bitdefender Enterprise, Kaspersky Enterprise, Thunder Byte.