27 25 00 Data Communications Software
27 25 19 Email Software
27 25 13 Virus Protection Software 27 25 16 Application Suites 27 25 19 Email Software 27 25 23 Graphics/Multimedia Software 27 25 26 Customer Relationship Management Software 27 25 29 Operating System Software 27 25 33 Database Software 27 25 37 Virtual Private Network Software 27 25 39 Internet Conferencing Software