| Label Technology Ltd - Printing not elsewhere classified |
| Lakeside Gardens - Other human health activities |
| Lambton Primary School - General secondary education |
| Lambton Village News - Retail sale of books, newspapers and stationary |
| Lampton's Sandwiches - Restaurant |
| Landscape Techniques - Agricultural service activities |
| Laser Profiling - Other manufacturing not elsewhere classified |
| Laurel Design - Other building completion |
| Leisure Link - Manufacture of games and toys |
| Len Craggs - Installation of electrical wiring and fittings |
| Lesta Packaging - Manufacture of builders' ware of plastic |
| Leveys Ltd - Retail sale of hardware, paints and glass |
| Lewis & Co - Wholesale of textiles |
| Liberty Green - Letting of own property |
| Lidest - Hardware consultancy |
| Life Engineering - Retail sale of textiles |
| Lifespan - Physical well-being activities |
| Little Kwids - Retail sale of clothing |
| Little Treasures Day Nursery - Primary education |
| Lloyd Drilling Ltd - Test drilling and boring |
| Lloyds Express Ltd - Activities of other transport agencies |
| LloydsPharmacy - Pharmacy |
| Lloyds Pharmacy - Dispensing chemists |
| Lloyds TSB Bank PLC - Bank |
| Lloyds TSB Bank PLC - Bank |
| Luk Kee - Restaurant |
| Lloyds TSB Bank PLC - Other credit granting |
| Livewire Entertainment - Mobile Disco |
| Looking Good - Unisex Hair Salons |
| Laser Profiling (north East) Ltd - Commercial Lithographic Printing |
| Lyndon Ltd - Upholstery Manufacturers |
| Lloyds Pharmacy - Drug Store |
| Len Craggs Electrical & Plumbing Ltd - Electrical & Plumbing Contrator |
| Lodge Landscaping - Landscape Services |
| Limo Bus North East - Limousine Service |
| Let's Go Walkies - Dog Walker |
| Lanes for Drains PLC - Septic System Service |
| LloydsPharmacy - Pharmacy |