| Company/Organisation | Users | Servers | Contact | Details |
| Greenpeace International | Screenshot |
| Harvard University, Faculty of Arts and Sciences | thousands | 4 Compaq Tru64 | Details |
| National Portuguese Government Agency | 1,000 | 8 Mail Servers (Exchange) and 1 Webmail Server (Apache/SSL) |
| NYU School of Medicine |
| Universidad Tecnica Federico Santa Maria | Michael Slusarz |
| University of Colorado at Boulder | Michael Slusarz | Details |
| University of Michigan | 81,000 | Liam Hoekenga |
| University of Texas at Austin, Department of Physics | 1,000 | Dell Poweredge 2400 server, 2x600 Mhz, 512MB memory, Raid5 across 6 disks | Eric Rostetter |
| Yale University |