| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| PETR HUMMEL | --- | 1 | 0 |
| Dole Christopher J. | --- | 1 | 0 |
| Kenji Ueno | --- | 1 | 0 |
| Brian Norris | --- | 1 | 0 |
| Tran Chi | --- | 1 | 0 |
| Niek Last | --- | 1 | 1 |
| McLaughlin Steve | --- | 1 | 0 |
| Crane Richard | --- | 1 | 0 |
| Per Ståhl | --- | 1 | 0 |
| Dan Helveston | VeriSign Worldwide Headquarters 487 East Middlefield Road Mountain View, CA 94043 United States (the) |
3 | 0 |
| Jarvis Clark | --- | 1 | 0 |
| Michael Kirchner | --- | 1 | 0 |
| Delaware County Community Services | 1 Hospital Road Walton, NY 13856 United States (the) |
1 | 0 |
| Hustace David | --- | 2 | 0 |
| Derrald Vogt | --- | 0 | 1 |
| Nick Tolstokulakov | --- | 1 | 0 |
| Florian Reinholz | --- | 3 | 0 |
| David Matthew Bond | --- | 1 | 0 |
| Davina Forster | --- | 1 | 0 |
| Gudym Ivan | --- | 1 | 0 |
| Fei Jung Kuo | --- | 0 | 1 |
| Jürgen Jatzkowski | --- | 1 | 0 |
| Scott Serich | Scott Serich 44983 Knoll Square Ashburn, VA 20147 |
1 | 0 |
| Zatserkovniy Alexander | --- | 1 | 0 |
| hoi Kim hong | --- | 1 | 0 |
| Chris Greenough | --- | 1 | 0 |
| Niclas Wolniak | --- | 1 | 0 |
| Ott Max | --- | 1 | 0 |
| Castle Medical Center (CMC) | Castle Medical Center, 640 Ulukahiki Street, Kailua, Hawaii 96734 United States (the) |
5 | 0 |
| Kirchhof Joerg | --- | 1 | 0 |
| Cory Albrecht | --- | 2 | 0 |
| Robert Campbell | --- | 1 | 0 |
| Cook Richard | --- | 1 | 0 |
| Lewis And Clark Information Exchange | 12200 NW Ambassador Drive Suite 232 Kansas City, MO 64163 United States (the) |
1 | 0 |
| PAOLO TARANTOLA | --- | 2 | 0 |
| Contursi Gabriel | --- | 1 | 0 |
| University Hospitals Birmingham NHS Foundation Trust | Queen Elizabeth Hospital Birmingham Wolfson Building, First Floor Edgbaston, Birmingham B15 2TH |
1 | 0 |
| Cross Dave | --- | 1 | 0 |
| Rein Richard | --- | 1 | 0 |
| Meritus Health | 11116 Medical Campus Road Hagerstown, MD 21742 United States (the) |
3 | 0 |
| Kronenberg Fred Eisele or Sandy | --- | 1 | 0 |
| Peter Lechner | --- | 1 | 0 |
| Steve Nichols | --- | 0 | 2 |
| Øyvind Fykse | --- | 1 | 0 |
| RICHARD CABOT | --- | 1 | 0 |
| Joze Markic | --- | 1 | 0 |
| Yong Hyun, Ahn | --- | 1 | 0 |
| Michael Rößler | --- | 1 | 0 |
| Denver Health & Hospitals Authority | 777 Bannock St Denver, CO 80204 United States (the) |
1 | 0 |
| Justin Copeland | 2303 Village Drive PO Box 8612 St. Joseph, Missouri 64508-8612 United States (the) |
1 | 0 |