| LLANBEDROG SERVICE STATION | LLANBEDROG SERVICE STATION, BEACH RD | |
| Madog Garage / Hamdden Caravans Ltd | PENAMSER GARAGE, PENAMSER ROAD, PORTHMADOG, LL49 9NY | |
| Texaco | BARMOUTH ROAD SERVICE STATION, — | |
| BRADBURYS GARAGE | BRADBURYS GARAGE, FFORDD Y PARC, ABERMO, LL42 1PH | ABERMO |
| LEWIS BRYN LLWYD SERVICE STATION | CAERNARFON ROAD | BANGOR |
| Cambrian Garage | J M HUGHES A I FEIBION CYF, CAMBRIAN GARAGE, TRAWSFYNYDD, BLAENAU FFESTINIOG, LL41 4SP | BLAENAU FFESTINIOG |
| Prysor Service Station LTD | PRYSOR SERVICE STATION, TRAWSFYNYDD, BLAENAU FFESTINIOG, LL41 4TW | BLAENAU FFESTINIOG |
| A D Jones, Plas Moduron | Plas Moduron, Llanuwchllyn, Y Bala | Bala |
| Gulf | West End Garage Bala, Stryd Fawr | Bala |
| Henblas Garage | 26 Y Stryd Fawr | Bala |
| Asda Petrol Station | Farrar Road | Bangor |
| Beran Filling Station | Beran Service Station | Bangor |
| Esso | Junction A5/55 Expressway | Bangor |
| Llyn Ogwen Ranger Station | | Bangor |
| TEXACO Station | | Bangor |
| Birmingham Garage | Church Street | Barmouth |
| BERAN FILLING STATION | DEINIOLEN | CAERNARFON |
| London garage service station | LONDON GARAGE LTD, CWM-Y-GLO, CAERNARFON, LL55 4DE | CAERNARFON |
| Murco | CLYNNOG-FAWR | CAERNARFON |
| Texaco | BERAN GARAGE, DEINIOLEN, CAERNARFON, LL55 3NF | CAERNARFON |
| THOMAS MOTOR MART SSTN | THOMAS MOTOR MART A494 | CORWEN CLWYD |
| Magnox | Power House | Caernarfon |
| Shell | A4085 | Caernarfon |
| TEXACO Station | | Caernarfon |
| Texaco | A4244 | Caernarfon |
| Texaco | Dyffryn garage, Glanrafon | Corwen |
| Gulf | Parciau Filling Station, High Street | Criccieth |
| Parciau Filling Station | Parciau Filling Station, High Street | Criccieth |
| DOLGELLAU SERVICE STATION | BALA ROAD | DOLGELLAU |
| TEXACO Station | | Deiniolen |
| Cwt Gwyn Cyf | A470 | Dolgellau |
| Esso | A470, Mile End | Dolgellau |
| Mile End Service Station | Mile End Rd | Dolgellau |
| TEXACO Station | | Dolgellau |
| Barmouth Road Service Station - Penny on the Move | Main Road, Dyffryn Ardudwy | Dyffryn Ardudwy |
| Gulf | Smithy Garage, Main Road | Dyffryn Ardudwy |
| BLAKEMORE TYWYN SERVICE STATION | 16 HIGH STREET | GWYNEDD |
| CAER SERVICE STATION | SOUTH ROAD | GWYNEDD |
| DOLYDD GARAGE | A487 | GWYNEDD |
| PENNY LLANBEDROG SERVICE STATION | BEACH ROAD | GWYNEDD |
| Pulrose Motor Services | Ala Rd | Gwynedd |
| MORFA GARAGE | MORFA GARAGE, HARLECH, LL46 2UW | HARLECH |
| Mallwyd Service Station | MALLWYD SERVICE STATION, MALLWYD, MACHYNLLETH, SY20 9HN | MACHYNLLETH |
| Ascona Machynlleth Service Station | Doll Street | Machynlleth |
| TEXACO Station | | Machynlleth |
| Glanaber Garage | GLANABER GARAGE, BORTH-Y-GEST, PORTHMADOG, LL49 9TP | PORTHMADOG |
| GLANDON SERVICE STATION | Caernarfon Road | PWLLHELI |
| W & G Williams | W & G WILLIAMS, THE GARAGE, ABERSOCH | PWLLHELI |
| Esso | Park Road | Penrhyndeudraeth |
| CERTAS Station | | Porthmadog |
| Shell | High Street | Porthmadog |
| BP | Caernarfon Road | Pwllheli |
| ESSO Station | | Pwllheli |
| ESSO Station | | Pwllheli |
| Garej Ni | Sarn | Pwllheli |
| BR Tywyn | SPAR STORES, 16, HIGH STREET | TYWYN |
| A.D.Jones & Co | PLAS MODURON, LLANUWCHLLYN, Y BALA, LL23 7UD | Y BALA |