| Rank | Name | Members | Recent average credit | Total credit | Country | Type |
|---|
| 501 |
ARP |
56 |
1 |
16,631,749 |
United States |
University or department |
| 502 |
James Randi Educational Foundation (JREF) |
3 |
1 |
2,950,117 |
International |
Company |
| 503 |
SPORTING CLUBE DE PORTUGAL @ SETI |
2 |
1 |
109,569 |
Portugal |
National |
| 504 |
Scouts Arena |
4 |
1 |
982,073 |
International |
Other |
| 505 |
Elite Dangerous Players |
17 |
1 |
5,988,404 |
International |
Other |
| 506 |
Boinc-Chauffage |
7 |
1 |
1,358,353 |
France |
Other |
| 507 |
University of Oregon |
5 |
0 |
4,833,148 |
United States |
University or department |
| 508 |
Providence Christian School |
11 |
0 |
13,700,321 |
United States |
Secondary school |
| 509 |
OS/2 Warp |
7 |
0 |
4,439,883 |
International |
Computer type |
| 510 |
TITANS |
6 |
0 |
767,881 |
Germany |
Other |
| 511 |
Masaryk University |
14 |
0 |
25,402,290 |
Czech Republic |
University or department |
| 512 |
SETI Italy Research & Development |
67 |
0 |
11,266,534 |
Italy |
Non-profit organization |
| 513 |
Catalonia |
3 |
0 |
1,723,039 |
International |
Other |
| 514 |
HUNGARY - HAJRA MAGYARORSZAG! HAJRA MAGYAROK! |
33 |
0 |
16,151,130 |
Hungary |
National |
| 515 |
BOINC@Luxembourg |
19 |
0 |
7,625,133 |
Luxembourg |
National |
| 516 |
Scientist on astroids from Gothenburg |
9 |
0 |
1,484,502 |
Sweden |
Other |
| 517 |
Team Cascadia |
4 |
0 |
4,566,529 |
International |
Local/regional |
| 518 |
Team England (Boinc) |
17 |
0 |
29,294,167 |
United Kingdom |
National |
| 519 |
Team Calgary SETI |
49 |
0 |
15,852,107 |
Canada |
Local/regional |
| 520 |
MrArcadiaMine |
1 |
0 |
706,932 |
United States |
Other |