An information technology service is a set of activities that seeks to meet the needs of a client through a change in the condition of its computer equipment (let's call those assets), enhancing its value and reducing risks inherent in the system.
Java, .Net, Oracle, GIS
Fortinet, Checkpoint, F5, Splunk
Herta , Fonetics
Advance Eye, Netbrain, Infrascan, Netscout