| Rank | Vendor | Count |
|---|---|---|
| 1 | Microsoft | 16030 |
| 2 | Apple | 7582 |
| 3 | Oracle | 7146 |
| 4 | Cisco | 6762 |
| 5 | Adobe | 5898 |
| 6 | Ibm | 5414 |
| 7 | Redhat | 4658 |
| 8 | Mozilla | 3969 |
| 9 | Hp | 3747 |
| 10 | Linux-Related Various Sources | 3173 |
| 11 | Sun | 2865 |
| 12 | 2747 | |
| 13 | Novell | 2314 |
| 14 | Symantec | 1605 |
| 15 | Debian | 1423 |
| 16 | Suse | 1127 |
| 17 | Apache | 973 |
| 18 | Vmware | 891 |
| 19 | Canonical | 878 |
| 20 | Huawei | 808 |
| 21 | F5 | 776 |
| 22 | Ca | 703 |
| 23 | Siemens | 693 |
| 24 | Hitachi | 649 |
| 25 | Php | 608 |
| 26 | Gnu | 530 |
| 27 | Emc | 502 |
| 28 | Mandrakesoft | 499 |
| 29 | Computer Associates | 485 |
| 30 | Real Networks | 478 |
| 31 | Wireshark | 465 |
| 32 | F-secure | 462 |
| 33 | Drupal | 462 |
| 34 | Sap | 453 |
| 35 | Fedoraproject | 452 |
| 36 | Juniper | 434 |
| 37 | Joomla | 431 |
| 38 | Mcafee | 415 |
| 39 | Supermicro | 402 |
| 40 | Avaya | 368 |
| 41 | Dahuasecurity | 367 |
| 42 | Bea Systems | 359 |
| 43 | Wordpress | 352 |
| 44 | Freebsd | 349 |
| 45 | Moodle | 341 |
| 46 | Citrix | 323 |
| 47 | Xerox | 315 |
| 48 | Opera | 310 |
| 49 | Gentoo | 310 |
| 50 | Netscape | 283 |
| 51 | Sco | 279 |
| 52 | Mysql Ab | 276 |
| 53 | Sgi | 269 |
| 54 | Trend Micro | 268 |
| 55 | Openbsd | 268 |
| 56 | Openstack | 265 |
| 57 | Apache Software Foundation | 259 |
| 58 | Imagemagick | 249 |
| 59 | Intel | 247 |
| 60 | Ffmpeg | 244 |
| 61 | D-link | 242 |
| 62 | Rockwellautomation | 241 |
| 63 | Phpmyadmin | 236 |
| 64 | Opensuse_project | 222 |
| 65 | Xen | 221 |
| 66 | Fortinet | 221 |
| 67 | Sophos | 216 |
| 68 | Moxa | 215 |
| 69 | Ipswitch | 215 |
| 70 | Lenovo | 207 |
| 71 | Kde | 206 |
| 72 | Typo3 | 205 |
| 73 | Mit | 204 |
| 74 | Qemu | 202 |
| 75 | Trend_micro | 201 |
| 76 | Bea | 195 |
| 77 | Nortel | 194 |
| 78 | Tibco | 191 |
| 79 | Trustix | 191 |
| 80 | Caldera | 190 |
| 81 | Macromedia | 188 |
| 82 | Vendor | 182 |
| 83 | Openssl | 181 |
| 84 | Schneider-electric | 178 |
| 85 | Mailenable | 174 |
| 86 | Ubuntu | 172 |
| 87 | Asterisk | 172 |
| 88 | Dell | 170 |
| 89 | Turbolinux | 169 |
| 90 | Cybozu | 169 |
| 91 | Gnome | 164 |
| 92 | Horde | 163 |
| 93 | Netbsd | 163 |
| 94 | Mambo | 163 |
| 95 | Linksys | 161 |
| 96 | Netgear | 158 |
| 97 | Mediawiki | 157 |
| 98 | Isc | 150 |
| 99 | Mybb | 143 |
| 100 | Zyxel | 142 |