Brief guides to the 2017/18 member clubs of the Nathaniel Cars Welsh League Division One.

Afan Lido
Briton Ferry Llansawel
Caerau (Ely)
Cambrian & Clydach
Afan Lido
Briton Ferry Llansawel
Caerau (Ely)
Cambrian & Clydach
Cwmamman United
Cwmbran Celtic
Goytre AFC
Goytre United
Cwmamman United
Cwmbran Celtic
Goytre FC
Goytre United
Haverfordwest County
Llanelli Town
Penybont
Penybont
Haverfordwest County
Llanelli Town
Monmouth Town
Penybont
Port Talbot Town
Taffs Well
Ton Pentre
Undy Athletic
Port Talbot Town
Taffs Well
Ton Pentre
Undy Athletic