| Organization name | Address | First registered nodes | Current registered nodes |
|---|---|---|---|
| Stearns Fred R | --- | 1 | 0 |
| Bohannon Tom | --- | 1 | 0 |
| Bernardeau Gérard | --- | 1 | 0 |
| Tal Schoenfeld | --- | 1 | 0 |
| Kevin C. Osburn, M.D. | 2320 Bath St. Suite 317 Santa Barbara, CA 93105 United States (the) |
1 | 0 |
| Amber Pierce | --- | 1 | 0 |
| James Badaracco | --- | 1 | 0 |
| Sylvain Derosiaux | --- | 1 | 0 |
| Ignis Systems Corporation | 3316 NE Pacific St Portland, OR, 97232 United States (the) |
1 | 0 |
| Erolainen Vesa | --- | 1 | 0 |
| Bederna, Zsolt | --- | 1 | 0 |
| Frank Liu | --- | 1 | 0 |
| Le Tri Anh | --- | 1 | 0 |
| Kersti Bruining MD PLLC | 3537 West Front Street, Ste A Traverse City, MI 49684 United States (the) |
1 | 0 |
| Sheard Ross | --- | 1 | 0 |
| René Paw Christensen | --- | 0 | 1 |
| Julio César Arpírez Vega | --- | 1 | 0 |
| Javier Aguirre | --- | 1 | 0 |
| Ray Moore | --- | 1 | 0 |
| Ernedin Zajko | --- | 1 | 0 |
| Alan Bryant | Refugio County Memorial Hospital District 107 Swift St Refugio, TX 78377 |
1 | 0 |
| Roney R. Brunetti | --- | 1 | 0 |
| Kaul Kay | --- | 1 | 0 |
| Toralf Chryselius | --- | 1 | 0 |
| Zheng Jian | --- | 1 | 0 |
| Jeff Hunnicutt | --- | 1 | 0 |
| Bill Skrypnyk | --- | 1 | 0 |
| Quek CH | --- | 1 | 0 |
| Guillaubez Phillipe | --- | 1 | 0 |
| Dipankar Das | --- | 1 | 0 |
| Philippe Hoornaert | --- | 1 | 0 |
| Pozsár Balázs | --- | 1 | 0 |
| Infra-estrutura de Chaves Públicas Brasileiras (ICP-Brazil) | Instituto Nacional de Tecnologia da Informação (ITI) (in English, National Institute of Information Technology) Casa Civil da Presidência da República Brasil |
1 | 0 |
| Paula Brooker | Pleasant Valley Hospital 2520 Valley Drive Point Pleasant, WV 25550 |
1 | 0 |
| Richardson Ed | --- | 1 | 0 |
| Gary Teichrow | 18831 Von Karman Ave Suite 300 Irvine, CA 92612 United States (the) |
1 | 0 |
| Enthusia Consulting Ltd | 264 Ikorodu Road Obanikoro Lagos 10007 Nigeria |
1 | 0 |
| Kumar Krishna | --- | 1 | 0 |
| TAKAHIRO KONNO | --- | 1 | 0 |
| Justin Penney | --- | 1 | 0 |
| Sergey Korochin | --- | 1 | 0 |
| Lewis Hargett, MD PSC | 1900 Bluegrass Ave Ste 100 Louisville, KY 40215 United States (the) |
1 | 0 |
| Yunfei Zhang | --- | 1 | 0 |
| Jean-Christophe Penalva | --- | 1 | 0 |
| Varthur Harish | --- | 1 | 0 |
| Rodrigo Diego de Miguel | --- | 1 | 0 |
| Montomoli Giovanni | --- | 1 | 0 |
| Per Olofsson | Hattmakargatan 14 SE-80311 GÄVLE Sweden |
1 | 0 |
| Steve Légaré | --- | 1 | 0 |
| Loris Santamaria | --- | 1 | 0 |