| Code | Schemes | English name | Owner |
|---|---|---|---|
| LIK | Kaunas (Zool. Mus.) | Lithuania | — |
| LVR | Riga | Latvia | — |
| MKS | Skopje | Macedonia | — |
| MLV | Valletta | Malta | — |
| MX | Mexico | Mexico | — |
| NHM | Natural History Museum of Montenegro | Montenegro | — |
| NLA | Arnhem | Netherlands | — |
| NOS | Stavanger Museum | Norway | — |
| PLG | Gdansk; Varsovia | Poland | — |
| POL | Lisboa | Portugal | — |
| ROB | Bucarest | Romania | — |
| RSB | Belgrade | Serbia | — |
| RUM | Moskwa | Russian Federation | — |
| SAF | The South African Bird Ringing Unit | South Africa | — |
| SFH | Helsinki Museum | Finland | — |
| SKB | Bratislava | Slovakia | — |
| SLL | Ljubljana | Slovenia | — |
| SVS | Stockholm Museum | Sweden | — |
| TUA | Ankara | Turkey | — |
| UKK | Kiev | Ukraine | — |
RingBase adheres to EURING codes.
