| # | Years | Size | Links | |
|---|---|---|---|---|
| Agalev | 1999–2003 | |||
| BSP | 1945–2003 | |||
| CDH | 2008–2008 | |||
| CDVNVA | 2008–2008 | |||
| CP | 1919–1939 | |||
| CVP | 1945–1999 | |||
| DU | 1946–1946 | |||
| Ecolo | 1999–2003 | |||
| FDF | 1978–1980 | |||
| ICAT | 1946–1946 | |||
| KPB | 1945–1947 | |||
| Lib | 1919–1940 | |||
| LP | 1945–1968 | |||
| MR | 2004–2008 | |||
| PCSKVV | 1939–1945 | |||
| PLP | 1974–1976 | |||
| PRL | 1981–1988 | |||
| PRLFDF | 1999–2003 | |||
| PRLW | 1977–1977 | |||
| PSB | 1979–2008 | |||
| PSC | 1973–1999 | |||
| PVV | 1973–1988 | |||
| RW | 1975–1977 | |||
| Soc | 1919–1940 | |||
| SPASpirit | 2004–2007 | |||
| VLD | 1999–2008 | |||
| VU | 1978–1992 |