- Merton - 4 companies
- Metheringham - 1 company
- Methley - 1 company
- Mexborough - 13 companies
- Mid Glamorgan - 8 companies
- Mid Wales - 1 company
- Middle Street, Nazeing - 1 company
- MIDDLESBOROUGH - 3 companies
- Middlesbrough - 117 companies
- Middlesex - 113 companies
- Middlesx - 1 company
- Middleton - 6 companies
- Middlewich - 18 companies
- Middlezoy - 1 company
- Middx - 2 companies
- Mid-Glamorgan - 1 company
- Midhurst - 10 companies
- Midlothain - 1 company
- Midlothian - 5 companies
- Midsomer Norton - 2 companies
- Milborne Port - 1 company
- Milbourne - 1 company
- Mildenhall - 2 companies
- Mile Oak - 1 company
- Milford - 1 company
- Milford Haven - 22 companies
- Milford on Sea - 1 company
- Mill Hill - 1 company
- Mill Lane Trade Park - 1 company
- Millbrook - 3 companies
- Millfield - 1 company
- Millom - 3 companies
- Milner Way - 1 company
- Milnthorpe - 4 companies
- Milnworth - 1 company
- Milton Keynes - 382 companies
- Minehead - 10 companies
- Minster - 1 company
- Minster Lovell - 1 company
- Mintlaw - 1 company
- Minworth, - 1 company
- Mirfield - 20 companies
- Mistley - 1 company
- Mitcham - 43 companies
- mitcheldean - 11 companies
Towns 91 to 135 | Page 3 of 4
