| Maxol Mcbrides Derrylin | BT92 9LA | 153.9p | 176.9p | - | - | View → |
| Maxol Frances ST Service Station | BT23 7DX | 154.9p | 174.9p | - | - | View → |
| Maxol Auto 24 Bridge End | BT5 4AE | 151.9p | 174.9p | - | - | View → |
| Maxol Bryansburn | BT20 3RQ | 154.9p | 175.9p | 166.9p | - | View → |
| Maxol Tates Avenue | BT12 6NB | 154.9p | 175.9p | 166.9p | 181.9p | View → |
| Mayfield Service Station | KA21 5RE | 159.9p | 184.9p | 171.9p | 194.9p | View → |
| MC Convilles Nisalocal Independent Mullinahoe Stores Ltd (nisalocal) | BT71 5AX | 154.9p | 176.9p | - | - | View → |
| Mc Dade Retail Ltd Ta Centra Ballygawley Mc Dade Retail Ltd. TA Centra Ballygawley | BT70 2HE | - | 170.9p | - | - | View → |
| McCrystal's Filling Station | BT80 0AY | 154.9p | 169.9p | 164.9p | - | View → |
| McGinleys GO | BT48 8AB | 153.9p | 174.9p | 159.9p | - | View → |
| Mclean Fuels Ltd | BT45 6BT | - | 171.9p | - | - | View → |
| McSorleys Garage | BT45 7HG | 159.9p | - | - | - | View → |
| Meadowside Service Station | BT30 6EH | 149.9p | 164.9p | - | - | View → |
| Meekins | BT39 0HG | - | 169.9p | - | - | View → |
| Merco Terrington Service Station | PE34 4PQ | - | 188.9p | 167.9p | - | View → |
| Meredith Motors | NP16 6PE | - | 189.9p | 158.9p | - | View → |
| Michael Wicks Garage Ltd | PE14 0DG | 192.9p | 194.9p | - | - | View → |
| Midway Garage & cafe | PE22 0TD | 163.9p | 184.9p | 173.9p | - | View → |
| Circle K Midway service station | BT74 9FH | 153.9p | 176.9p | - | - | View → |
| Mill Hill Garage MARCH Ltd | PE15 0YB | 154.9p | 179.9p | 163.9p | 184.9p | View → |
| Millpond Service Station Ltd | WF7 5HL | - | 179.9p | - | - | View → |
| Shell Millwood Motor Company Ltd | GL11 5DH | 159.9p | 179.9p | 184.9p | 204.9p | View → |
| Misterton Garage Ltd | TA18 8LY | 159.9p | 177.9p | - | - | View → |
| Moduron Y Bala Ltd | LL23 7AE | 164.9p | 185.9p | - | - | View → |
| Monchelsea Stores | ME17 4JD | 136.9p | 159.9p | 156.9p | - | View → |
| Monkton Combe Garage | BA2 7HY | 165.9p | 184.9p | 189.9p | - | View → |
| Morans Centra - GO Service Station | BT51 3QJ | 149.9p | 172.9p | 159.9p | - | View → |
| Morans SuperValu & Go Service Station | BT49 9HS | 149.9p | 174.9p | 161.9p | - | View → |
| Moredun Garage | CA9 3HZ | - | 189.9p | 170.9p | - | View → |
| Morgan Fuels Killean | BT35 8RL | 153.9p | 176.9p | - | - | View → |
| Morgan Fuels Head Office | BT358RL | - | 176.9p | - | - | View → |
| Morgan Fuels Belfast Docks | BT3 9LL | - | 180.9p | - | - | View → |
| Morgan Fuels Lakeview | BT32 3NW | - | 180.9p | - | - | View → |
| Morgan Fuels Heysham | LA3 3PB | - | 201.9p | - | - | View → |
| Morgan Fuels Morgan Xpress Archview | BT35 6JP | 153.9p | 176.9p | - | - | View → |
| Morgan Fuels Mallusk | BT36 4RT | - | 180.9p | - | - | View → |
| Morrisons, G75 9FD | G75 9FD | 161.9p | 178.9p | 179.9p | - | View → |
| MFG Morrisons Swansea | SA1 7DF | 161.9p | 179.9p | 175.9p | - | View → |
| MFG Morrisons Woking | GU21 6LN | 159.9p | 178.9p | 175.9p | - | View → |
| MFG Morrisons Spalding Pinchbeck | PE11 3UG | 157.9p | 177.9p | 175.9p | 187.9p | View → |
| MFG Morrisons Exeter | EX4 7BY | 163.9p | 181.9p | 175.9p | 191.9p | View → |
| MFG Morrisons Doncaster Balby | DN4 8SJ | 159.9p | 179.9p | 175.9p | - | View → |
| MFG Morrisons Sheffield Ecclesfield | S35 9AE | 158.9p | 176.9p | 175.9p | - | View → |
| MFG Morrisons Kettering | NN16 8TB | 154.9p | 174.9p | 175.9p | - | View → |
| MFG Morrisons Coventry Holyhead Road | CV5 8BX | 159.9p | 177.9p | 175.9p | - | View → |
| MFG Morrisons Glasgow Bishopbriggs | G64 2LS | 159.9p | 179.9p | 179.9p | - | View → |
| MFG Morrisons Holyhead | LL65 2UQ | 161.9p | 179.9p | 175.9p | 189.9p | View → |
| MFG Morrisons Wishaw | ML2 7BJ | 161.9p | 179.9p | 179.9p | - | View → |
| MFG Morrisons Strood | ME2 2AU | 159.9p | 179.9p | 175.9p | - | View → |
| MFG Morrisons Hartlepool Belle Vue | TS25 1JZ | 155.9p | 173.9p | 175.9p | - | View → |
