| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| Aleksander Lashmanov | --- | 1 | 0 |
| Jean-Jacques Broussat | --- | 1 | 0 |
| John Erik Setsaas | --- | 1 | 0 |
| Michael de Waal | --- | 1 | 0 |
| Veteran's Affairs Canada | Access to Information and Privacy Office Veterans Affairs Canada PO Box 7700 Charlottetown, PE C1A 8M9 United States (the) |
1 | 0 |
| Ryan J. Taylor | --- | 0 | 1 |
| David Ramirez | --- | 2 | 0 |
| Terry Woloszyn | --- | 1 | 0 |
| jidongzheng | --- | 1 | 0 |
| Rob Marano | --- | 1 | 0 |
| Kimberly Fanciullo | --- | 1 | 0 |
| Karel W. Dingeldey | --- | 1 | 0 |
| Steiner Christian | --- | 1 | 0 |
| Alexey Surnin | --- | 1 | 0 |
| Shek Alex | --- | 1 | 0 |
| Webe Solutions | 67545 E Colorado Blvd., Suite 880 Pasadena, CA 91106-2311 United States (the) |
1 | 0 |
| Christopher Church | --- | 0 | 1 |
| Hamlin Casey | --- | 1 | 0 |
| Dewayne Geraghty | --- | 1 | 0 |
| J. Craigie & C.-U. Manros | ITU-T Q.18/7 [1989-92] & ISO/IEC JTC 1/1.18.11 | 1 | 0 |
| Sergey Sholokh | --- | 1 | 0 |
| Carlson David | --- | 1 | 0 |
| Klaus Schauer | --- | 1 | 0 |
| Nico Bille | --- | 1 | 0 |
| Macias Robert | --- | 1 | 0 |
| Erwin van Rens | --- | 1 | 0 |
| Heiko Teichmueller | --- | 1 | 0 |
| Bodkin Sean | --- | 2 | 0 |
| Florian Kasper | --- | 1 | 0 |
| Momentum Healthware | 308 131 Provencher Blvd Winnipeg, Manitoba Canada R2H 0G2 United States (the) |
1 | 0 |
| May Lonny | --- | 1 | 0 |
| Thurber Charles | --- | 1 | 0 |
| Hamish Gibson | --- | 1 | 0 |
| Andree Eckhard | --- | 1 | 0 |
| Bruce Portz | --- | 2 | 0 |
| Marley Brian | --- | 1 | 0 |
| HL7 CBCC and Security WGs | Health Level Seven International 3300 Washtenaw Avenue, Suite 227 Ann Arbor, MI 48104 United States (the) |
1 | 0 |
| Gibson Andrew | --- | 1 | 0 |
| Castle Rock Adventist Hospital | 2350 Meadows Blvd. Castle Rock, CO 80109 United States (the) |
1 | 0 |
| Richard Mantha | --- | 1 | 0 |
| Johannes Rueschel | --- | 1 | 0 |
| Haibin ZHANG | --- | 1 | 0 |
| Jon Turwy | --- | 1 | 0 |
| Pornchai Chantachatkul | --- | 1 | 0 |
| Ho Peter | --- | 1 | 0 |
| Dawid Kucinski | --- | 1 | 0 |
| Janet Richardson | Mark Richardson MD PC 215 E. Mansion St. Suite 1E Marshall, MI 49068 |
1 | 0 |
| Lim Whai | --- | 1 | 0 |
| Takamichi Mizuhara | --- | 1 | 0 |
| Huth Ed | --- | 1 | 0 |