| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| Lee Lord | --- | 1 | 0 |
| T. Gordon | Harrington Hospital 100 South Street Southbridge, MA 01550 United States (the) |
1 | 0 |
| Leandro Panitz | SAS - Ministerio da Saude Esplanada dos Ministérios Brasilia - DF Brazil |
1 | 3 |
| Noguchi Osamu | --- | 1 | 0 |
| V. Levesque | Virtua Information Services 301 Lippincott Drive. Marlton, NJ 08053 United States (the) |
2 | 0 |
| Pierre Guerin | --- | 13 | 0 |
| Catherine Sibilo | LegalBox SA 19, rue de Saint-Léger 1204 Genève Switzerland |
0 | 12 |
| QuoVadis Limited | Zurich Centre South 2nd Floor 90 Pitts Bay Road Hamilton HM08 Bermuda |
4 | 0 |
| Jurgen Assfalg | --- | 1 | 0 |
| Claudio Petrucci | DigitPA Viale Carlo Marx 31/49 00137 Roma Italy |
11 | 0 |
| Dequenes Marc | --- | 2 | 0 |
| Kennedy Pearse | --- | 1 | 0 |
| Willens Steve | --- | 1 | 0 |
| Srikanth Sherman | --- | 2 | 0 |
| C.H.W. van Zon | --- | 0 | 1 |
| Han Rison | --- | 2 | 0 |
| Lorenzo BERNARDI | --- | 1 | 0 |
| Jason Harley | --- | 1 | 0 |
| Georges BETHENOD | --- | 1 | 0 |
| Randy Hart | Randy Hart 901 N. Porter Box 1308 Norman, OK 73070-1308 |
5 | 0 |
| Henrik Holmboe | --- | 2 | 0 |
| Rainer Gerhards | --- | 1 | 0 |
| Daniel Reichelt | --- | 1 | 1 |
| Godfrey William | --- | 1 | 0 |
| Tomohumi Mutuda | --- | 1 | 0 |
| Stephen Rousset | --- | 1 | 0 |
| John Lowry | Senior Member of the Technical Staff Bolt Beranek and Newman, Inc. 70 Fawcett St Cambridge, MA. 02138 United States (the) |
0 | 20 |
| Support Systems | --- | 1 | 0 |
| Ujval Lodha | --- | 1 | 0 |
| Kukhar Aleksey | --- | 1 | 0 |
| Deniz Sezer | --- | 1 | 0 |
| Mario Voltolina | --- | 1 | 0 |
| Oliver Reeh | --- | 1 | 0 |
| Mikhail Kuznetsov | --- | 2 | 0 |
| Nieminen Mika P. | --- | 1 | 0 |
| Benchmark Systems | Benchmark Systems 1112 Church st Lynchburg, VA 24504 |
1 | 0 |
| Dr Pepper Snapple Health Center | 2304 Century Center Blvd Irving, TX 75062-4906 United States (the) |
1 | 0 |
| Eddie Khoo | --- | 1 | 0 |
| Metdaoui Hussein | --- | 1 | 0 |
| Vik Patel | Hardin Memorial Health 913 N. Dixie Ave Elizabethtown, KY 42701 |
1 | 0 |
| Glover Mike | --- | 1 | 0 |
| Dental Quality Alliance | 211, East Chicago Avenue, Chicago, IL 60611 United States (the) |
1 | 0 |
| Russell McGregor | --- | 1 | 0 |
| Wei-Lee Chen | --- | 1 | 0 |
| Chaney Cheryl | --- | 1 | 0 |
| Torgny Neuman | Helse Vest IKT AS Jonas Lies vei 65 NO-5021 Bergen Norway |
6 | 0 |
| Eric Roman | --- | 4 | 0 |
| James Cunningham | --- | 1 | 0 |
| Mack Andreas | --- | 1 | 0 |
| Miller Mark A. | --- | 1 | 0 |