| Rank | Name | Members | Recent average credit | Total credit | Country | Type |
|---|---|---|---|---|---|---|
| 1 | Rechenkraft.net  |
1002 | 80,198 | 266,395,098 | Germany | Non-profit organization |
| 2 | Gruppo Astrofili Lariani |
6 | 37,673 | 35,257,704 | Italy | Non-profit organization |
| 3 | Quad Cities Astronomical Society | 5 | 6,706 | 3,337,212 | United States | Non-profit organization |
| 4 | Xperos | 2 | 2,719 | 4,481,064 | Philippines | Non-profit organization |
| 5 | Sotra VGS | 1 | 1,955 | 610,405 | Norway | Non-profit organization |
| 6 | Masonic Mathematicians | 9 | 1,304 | 6,916,509 | International | Non-profit organization |
| 7 | CGMRC | 3 | 1,279 | 1,364,920 | United States | Non-profit organization |
| 8 | MadnessArts Company | 1 | 973 | 1,968,492 | Switzerland | Non-profit organization |
| 9 | BOINC Philippines | 18 | 904 | 4,030,501 | Philippines | Non-profit organization |
| 10 | A2D-Racing | 5 | 611 | 5,953,033 | United Kingdom | Non-profit organization |
| 11 | Hivemind | 9 | 586 | 604,613 | None | Non-profit organization |
| 12 | HispaSeti & BOINC | 70 | 539 | 1,216,985 | International | Non-profit organization |
| 13 | Macarthur Astronomical Society | 6 | 349 | 1,545,576 | Australia | Non-profit organization |
| 14 | CosmoQuestX | 5 | 262 | 1,485,259 | United States | Non-profit organization |
| 15 | Center for Inquiry | 14 | 261 | 3,606,233 | International | Non-profit organization |
| 16 | Breadmaster Labs | 3 | 259 | 48,135 | United Kingdom | Non-profit organization |
| 17 | Whirlpool | 16 | 219 | 52,127 | Australia | Non-profit organization |
| 18 | LBG Zagreb | 2 | 198 | 435,089 | Croatia | Non-profit organization |
| 19 | Brony@Home | 43 | 149 | 1,953,337 | International | Non-profit organization |
| 20 | Federation.nl | 2 | 96 | 122,174 | Netherlands | Non-profit organization |
©2021 CERN