| Code | Schemes | English name | Owner |
|---|---|---|---|
| CZIP | Montenegro Bird Ringing Scheme | Montenegro | — |
| RUM | Moskwa | Russian Federation | — |
| NHM | Natural History Museum of Montenegro | Montenegro | — |
| CYC | Nicosia | — | — |
| FRP | Paris | — | — |
| CZP | Praha | — | — |
| DER | Radolfzell | — | — |
| ISR | Reykjavik | — | — |
| LVR | Riga | Latvia | — |
| ESA | San Sebastian (Aranzadi) | Spain | — |
| HES | Sempach | — | — |
| MKS | Skopje | Macedonia | — |
| BGS | Sofia | — | — |
| NOS | Stavanger Museum | Norway | — |
| SVS | Stockholm Museum | Sweden | — |
| SAF | The South African Bird Ringing Unit | South Africa | — |
| ABT | Tirana | — | — |
| MLV | Valletta | Malta | — |
| DEW | Wilhelmshaven (Helgoland) | — | — |
| HRZ | Zagreb (Ornit. Inst.) | — | — |
RingBase adheres to EURING codes.
