| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| IHA Neurology | --- | 1 | 0 |
| Goodwin Moray | --- | 1 | 0 |
| Shane O'Donnell | --- | 2 | 0 |
| Internet Assigned Numbers Authority | --- | 25 | 3 |
| Kamil Kurzyk | --- | 2 | 1 |
| Chernyak Dmitry | --- | 1 | 0 |
| INTEGRIS Health | INTEGRIS Health Information Technology 5555 N Grand Blvd Suite 100 Oklahoma City, Oklahoma 73112-5673 United States (the) |
12 | 0 |
| Bensmann Ralf | --- | 2 | 0 |
| Nick Lowe | --- | 1 | 0 |
| Tomiyama Teruo | --- | 1 | 0 |
| Mahmoud Albatarni | --- | 2 | 0 |
| Canada Post Corporation | Canada Post Attn: Customer Service 35 Hughes St. Fredericton NB E3A 2W2 Canada |
2 | 0 |
| Thiago Mello | --- | 1 | 0 |
| Moore Kyle | --- | 1 | 0 |
| Marco Mans | --- | 1 | 0 |
| David Roberts | --- | 1 | 4 |
| Eric Stern | --- | 1 | 0 |
| Palos Community Hospital Information Systems | Palos Community Hospital Information Systems 12251 So 80th Avenue Palos Heights, IL 60463 United States (the) |
1 | 0 |
| Broome Neurosciences, PC | 38 Front Street Binghamton, NY 13905 United States (the) |
1 | 0 |
| Physician's Computer Company | 20 Winooski Falls Way, Suite 7 Winooski, VT 05404 United States (the) |
61 | 0 |
| Nanette Brister | Heart Hospital of Lafayette 1105 Kaliste Saloom Rd Lafayette, LA 70508-5705 |
26 | 0 |
| Marinel IORDAN | --- | 1 | 0 |
| Zhong Yi | --- | 1 | 0 |
| Hong Bill | --- | 1 | 0 |
| Karsten Holmberg | --- | 1 | 0 |
| Alicia Ortega | --- | 1 | 0 |
| Mathias Grundell | --- | 1 | 0 |
| Rappl Dirk | --- | 1 | 0 |
| Andre Hansen | --- | 1 | 0 |
| Harold Solbrig | --- | 3 | 48 |
| Cabot Toby | --- | 1 | 0 |
| Progressive Dental PLLC | 1113 NYS Route 11 Kirkwood, NY 13795 United States (the) |
1 | 0 |
| Woodisch | --- | 1 | 0 |
| Andy M | --- | 1 | 0 |
| Irene Fernandez | --- | 1 | 0 |
| Manoj Kumar | Florida Blue 4800 Deerwood Campus Parkway Jacksonville, Florida 32246 United States (the) |
1 | 0 |
| AABB | AABB 8101 Glenbrook Road Bethesda, MD 20814-2749 United States (the) |
1 | 0 |
| Leendert Blaauw | --- | 1 | 0 |
| Jay G. Levine, DPM | 55 Old Nyack Turnpike Suite 407 Nanuet, NY 10954 United States (the) |
1 | 0 |
| Antoine Roly | --- | 1 | 0 |
| Peter van Dijk | --- | 1 | 0 |
| HL7 | --- | 1155 | 0 |
| Richard Sand | --- | 2 | 0 |
| Deredec Nicolas | --- | 1 | 0 |
| Cody Johansen | --- | 1 | 0 |
| Pete Chou | --- | 1 | 0 |
| John Dodson | --- | 1 | 0 |
| Nicolas MASSART | --- | 1 | 0 |
| Aronson Mike | --- | 1 | 0 |
| Robert Lanning | --- | 1 | 0 |