| Lack, Thomas |
| Lacey, W |
| Ladds, John - tailor |
| Lankesters |
| Laurence - corn chandler |
| Lawrence & Richardson |
| Lawrence's Fashions |
| Leach, Jack |
| Lee, Fred |
| Leeding, H S |
| Leeding, J G - shoe repairers |
| Lenton, Henry - corn factor |
| Lewis - blacksmiths |
| Libby - boutique |
| Lidl |
| Lightstrung Cycles & Garage |
| Linnitt, Edgar |
| Litchfield, Fred & Co |
| Litchfield, Jeremiah |
| Lloyds Bank |
| Lockie, William |
| London Central Meat Co |
| Lord, George & Ellen |
| Lord, Stan |
| Lyne, J L |
| Macdonald & Co |
| Magpies |
| Margaret's |
| Marriott's - builders - introduction |
| Maudling, William |
| May, J H Ltd |
| Maypole & Woolworths |
| McCracken, Edwin |
| Meadows and Rattley |
| Mecca Cafe |
| Meller, Charles |
| Midland Bank |
| Millard, Mrs W - fruiterer |
| Miller, Barry - hairdresser |
| Miller, George - ironmonger |
| Mineral Waters |
| Mitchley's |
| Mobbs, A & A |
| Moody, Wm Henry |
| Mole, Edith - clothing |
| Mole, Edwin - baker |
| Mole, Walter - plumber, decorator |
| Moon, W H |
| Moore, George - florist & greengrocer |
| Morgan, Geoff - electricians |
| Munns, Albert - tailor |
| Nationwide Building Society |
| Natrass, John - Harper 1906 |
| NatWest Bank |
| Neal, Misses E & E |
| Needle & Awl |
| Negus, F |
| Nene Valley Mobile Homes Ltd |
| Net Affair - Jenny Glenham |
| Neville, Mike - estate agents |
| Neville's Tobacconist/Stationer |
| New Inn |
| Newspapers |
| Newton Road Garage |
| Nichols, A T - plumber |
| Nicholson, David - motor engineer |
| Nicholson, Winifred |
| Nix, J F |
| Noble, George |
| Norfolk Bakery |
| Norris Industries |
| Northants Printing & Publishing Co |
| Northern & Payne |
