South Wales
        Cricket Association
        Established 1926
 
The Ron Williams Trophy
| 2009 | Porthcawl | 
| 2008 | Felinfoel | 
| 2007 | Llandeilo | 
| 2006 | Seaside | 
| 2005 | Aberdare | 
| 2004 | Llandeilo | 
| 2003 | Llandysul | 
| 2002 | Hirwaun | 
| 2001 | Pwll | 
| 2000 | Llandarcy | 
| 1999 | Porthcawl | 
| 1998 | Cimla | 
| 1997 | Ystradgynlais | 
| 1996 | Ffynone | 
| 1995 | Drefach | 
| 1994 | Cowbridge | 
| 1993 | Cwmavon | 
| 1992 | Llandeilo | 
| 1991 | Swansea Civil Service | 
| 1990 | Hirwaun | 
| 1989 | Carmarthen Wands. | 
| 1988 | Drefach | 
| 1987 | Aberdare | 
| 1986 | Llandeilo | 
| 1985 | Kidwelly |