| Oakley Arms |
| Oldham & Co (mineral water) |
| Okins |
| Orbit Tyre Co |
| Orme, John Ltd |
| Orrell, W P - M.P.S. |
| Osborne Sports & Toys |
| Packwood, Alfred |
| Packwood, George |
| Packwood, William - builder |
| Packwood, Wm - provsions |
| Page and Ladds |
| Page, Joseph J Ltd |
| Palace Motors |
| Palmer, B R |
| Paragreen, James |
| Parker, A A |
| Parker, Caley |
| Parker, John |
| Parkin & Caswell |
| Parson's, E (W Russell 1919) |
| Partridge, Jesse |
| Payne, Sydney J W |
| Perkins, John Glover |
| Perrott & Lacey |
| Pettit & Jones |
| Phillips & Sons Ltd |
| Phillipson - printer |
| Ponds, BP Garage |
| Pooles - fancy goods |
| Poole, W - Vacuum Cleaners |
| Post Office - mainpage |
| Poundstretcher |
| Powell, Samuel - photographer |
| Premier Store - Church Hall Road |
| Presland, William |
| Preston, F E - architect |
| Putnam & Sons |
| Queen Victoria Hotel |
| Quennell - Bailey Fish Shop |
| Quick Turnover |
| Radburne, John - lacedealer |
| Railway Hotel |
| Ravensden Farm |
| Reid's Shops 1890-1950 |
| Rixon, Gordon - optician |
| Roach, Herbert |
| Robinson, George - motor engineer |
| Robinson, J - Tin Plate Worker 1890 |
| Robinson, J F |
| Robinson's - beerhouse, newsagents |
| Robinson's, Charlie - newsagent |
| Robinson's Fruit Stores |
| Roe Bros |
| Rose and Crown |
| Rosebud - Mattel |
| Rose's Fashion Centre |
| Roy's |
| Rushden Argus |
| Rushden Building Society |
| Rushden Echo |
| Rushden Echo & Argus |
| Rushden Engineering Co |
| Rushden Lakes & Part 2 |
| Rushden Mineral Water Co. |
| Rushden School of Motoring (Wills) |
| Rushden School of Motoring (Inwood) |
| Rushden Steam Laundry Co Ltd |
| Rushden Times |
| Sainsbury's Local |
| Saint - Samuel & William |
| Salt, George - motor cycles |
| Sanders, Arthur Ltd - builders |
| Sargent, Fred - cab proprietor |
| Sargent Bros - cab proprietor |
| Sargent, W E - ironmonger |
| Saxby, G A & Son |
| Scholes, Arthur L |
| Scroxton - Removers & Hauliers |
| Scroxton - Taxi & Garage |
| Seabrook - Greengrocers |
| Seckington, J - Florist |
| Sedgman, W J |
| Sharpe's Music Stores |
| Sherwood, D - antiques |
| Sherwood, John |
| Shorley, Elizabeth - general store |
| Simply Tea-licious tearoom |
| Simpson, Florence |
| Simpson & Mason |
| Skinner's Butchers |
| Smeathers, A |
| Smith, Arthur |
| Smith & Cottingham |
| Smith, Charles - Chemist |
| Smith, Holyoake, Cooke, Toms |
| Smith, (Albert) Walpole |
| Smith, J E |
| Smith, John (late J Cowley) |
| Smith, William - farmer |
| Smith, W H |
| Sound Engineering Co. |
| Southam, Mark |
| Speakman, Joseph |
| Spencer Park Garage |
| Spencer Park Tea Rooms |
| Spriggs, Arthur Ltd - hauliers |
| Staniland, H - Bon Marche |
| Star Supply Stores |
| Steam Laundry |
| Stimpson - tailor 1897 |
| Stricklands Butchers |
| Stuart Audio |
| Studio Three |
| Summerfields Dairy |
| Sumpter, A E - plumber |
| Superspot |
| Swann Bros. |
| Swart, J G - Optician |
| Swindall & Pendered |
| Swindall's - builders |
| Swivel Charity Shop |
