| Mort Bay Consulting | Jetty development and support. Main Copyright holder. |
| Cisco | Sponsored Jetty3 completion and JSP integration |
| FORGE IT | Contribution of Protekt SSL listener |
| INetU hosting | Donated the jetty.mortbay.org machine as a project home |
| Jakarta | Jetty includes software developed by the Apache Software Foundation, specifically the Jasper JSP servlet. |
| Medimom | Sponsored JSSE SSL listener development and key tools |
| Optimus Solutions | FTP client classes |
| Registration Technologies | Registration of org domain names. |
| Sun Microsystems | Provided Netra-5 workstation as prize for initial jetty development. |
| Source Forge | Opensource CVS repository and tools |
| VM Gear | Academic pricing of OptimizeIt for Jetty developers. |