Garages in Wales
- Oakfield Cwmbran, Blaenau Gwent NP44 7HE
- Oakfield Engineering Hengoed, Glamorgan CF82 7AE
- Oaklands Merthyr Tydfil, Glamorgan CF48 4SY
- Oaklea Motors Rhyl, Denbighshire LL18 2PH
- Old Smithy Newtown, Powys SY16 3AG
- Old Tythe Garage Caldicot, Blaenau Gwent NP26 3BZ
- Old Wern Road Garage Swansea, Glamorgan SA9 2LL
- One Stop Check Ltd Ammanford, Swansea SA18 2ET
- Orchard Motors Newport, Blaenau Gwent NP20 2JR
- Orion Motors Deeside, Flintshire CH5 2DD
- Orion Motors (Talgarth) Ltd Brecon, Powys LD3 0AW
- Orion Motors (Talgarth) Ltd Brecon, Powys LD3 0AW
- Oswald Road Garage Llandudno Junction, Conwy LL31 9EP
- Overmonnow Garage Monmouth, Blaenau Gwent NP25 5EZ
- Owens Cowbridge, Glamorgan CF71 7PB
- P A G Consultancy Carmarthen, Carmarthenshire SA31 3RB
- P & G Motors Ltd Wrexham, Wrexham LL14 1LN
- P & J Auto Engineers Deeside, Flintshire CH5 2QJ
- P & J Motors Brecon, Powys LD3 7TG
- P & N Auto Services Newport, Blaenau Gwent NP19 7BH