| Spire Washington Hospital - Private Hospital |
| S D L Newcastle - Freight transport by road |
| S I E (Industrial) Ltd - Manufacture of pumps and compressors |
| S P E - Installation of electrical wiring and fittings |
| S P Tyres - Bar |
| S R Transport Services Ltd - Freight transport by road |
| S & P Motors - Maintenance and repair of motor vehicles |
| Salon 2000 - Hairdressing and other beauty treatment |
| San Remo Ristorante - Restaurant |
| Sand City Ltd - Other retail sale in specialised stores |
| Sanmarie - Hairdressing and other beauty treatment |
| Sapphire (GB) Ltd - Advertising |
| Savers PLC - Manufacture of perfumes and toilet preparations |
| Scania (GB) Ltd - Sale of motor vehicles |
| Scope - Social work activities without accommodation |
| Selclene (North East) - Industrial cleaning |
| Select - Retail sale of clothing |
| Seta Ltd - Adult and other education not elsewhere classified |
| Shaft Hair Design - Hairdressing and other beauty treatment |
| Sheriffs Highway Veterinary Group - Veterinary activities |
| Shirley's Mobile Beauty Box - Other service activities not elsewhere classified |
| Shoe Zone - Retail sale of footwear and leather goods |
| Shopna Tandoori - Restaurant |
| Signet A C Ltd - Other retail sale in specialised stores |
| Signs Express Ltd - Manufacture of other office and shop furniture |
| Simpsongroup - Printing not elsewhere classified |
| Sinclair Collis Ltd - Other non-store retail sale |
| Smallman - Manufacture of refined petroleum products |
| Smart Balloons - Other service activities not elsewhere classified |
| Smithers Oasis (UK) Ltd - Wholesale of flowers and plants |
| Snipz - Hairdressing and other beauty treatment |
| Solo Hair Design - Hairdressing and other beauty treatment |
| Sonyas Hair Salon - Hairdressing and other beauty treatment |
| Sound & Vision Network Ltd - Other retail sale in specialised stores |
| Specsavers Opticians and Audiologists - Washington - Optician |
| Speculation Inn - Bar |
| Sherwoods Car Store - Car Dealer |
| Springfield Motor Group - Maintenance and repair of motor vehicles |
| St Bedes Primary School - General secondary education |
| St Bede's - Activities of religious organisations |
| St Benedicts Hospice - Social work activities without accommodation |
| St Georges - Other human health activities |
| St George's C Of E Church - Activities of religious organisations |
| St John Boste R C Primary School - General secondary education |
| St Robert Of Newminster R C & Sixth Form College - General secondary education |
| Stage Coach - Adult and other education not elsewhere classified |
| Star Tandoori - Restaurant |
| Statebourne Cryogenics Ltd - Other manufacturing not elsewhere classified |
| Stationery Box Ltd - Retail sale of books, newspapers and stationary |
| Stationery By Laser - Other wholesale |
| Staywarm Heating Services Ltd - Other building installation |
| Steve Roberts - Driving school activities |
| Stirling Glass & Design Ltd - Other human health activities |
| Storey Carpets Ltd - Other retail sale in specialised stores |
| Storey Carpets Ltd - Other retail sale in specialised stores |
| Sun Chemical Gibbon - Wholesale of other office machinery and equipment |
| Sun Kee Takeaway - Restaurant |
| Sunderland Domestic Gas Services - Plumber |
| Sunderland Housing Group - Social work activities with accommodation |
| Sundwell Solar Ltd - Other manufacturing not elsewhere classified |
| Superdrug Stores PLC - Dispensing chemists |
| Superior Meat Processors - Production and preserving of meat |
| Sure Start (North Washington) - Social work activities without accommodation |
| Suregrave (UK) Ltd - Other service activities not elsewhere classified |
| Surma Tandoori Takeaway - Restaurant |
| Swift Moves - Real Estate Agency |
| Swinburne & Jackson - Legal activities |
| Sofa Plan - Manufacture of soft furnishings |
| Sitelink Communications Ltd - Manufacture of radio and electronic capital goods |
| Straughan J.n & Co - Chartered Accountants |
| Sanmarie Beauty Spa - Beauty Shops |
| Shaft Hair Design - Hair & Beauty Salons |
| Salon 2000 - Hairdresser |
| Snipz Hair Salon - Hairdresser |
| Sonyas Hair Salon - Unisex Hair Salons |
| S.i.e. Industrial Ltd - Specialist Marine Equipment Suppliers & Hirers |
| Sunderland Engineering Training Association Ltd - Training Association |
| Speedlink - Catalogue Mail Order House |
| Sapphire Gb Ltd - Mailing House |
| Studio 3 Print & Graphic Design - Full Colour Lithographic Printers |
| Select Lighting & Electrical Distributors Ltd - Electrical Appliance Wholesalers |
| S.e.e. Ltd - Electrical Installations And Renewable Energy |
| Sitelink Communications Ltd - Wholesalers Of Telephone Equipments |
| Statebourne (cryogenic) Ltd - Manufacturers Of Stainless Steel Storage Vessels |
| Sycopel Scientific Ltd - Manufacturers Of Scientific Equipments |
| Signs Express Wearside - Signs And Nameplates Retailers |
| Savers Drug Stores - Health Services |
| Superdrug Stores Plc - Health Services |
| Sundwel Solar Ltd - Solar Panel Manufacturers |
| Suzanna Aynsley Jeweller - Ewellery Manufacturers |
| Signet Trading Ltd. - Jewellery & Precious Metal Manufacturers |
| Supastitch - Clothing Repairs And Alterations |
| Swinburne & Jackson - Patent Solicitors |
| Steve Bourne Transport - Local Passenger Transportation |
| Smallman Lubricants Ltd. - Lubricant Manufacturers And Distributors |
| Ssd Drives Ltd. - Electronic Motor Controller Manufacturers |
| Switch2 Energy Solutions Ltd. - Heating Systems Repair And Maintenance |
| Staywarm Heating Services - Plumbing Heating Air-Conditioning |
| Star Refrigeration Ltd. - Industrial Refrigertion Equipment Manufacturers |
| St.bede's Presbytery - Church |
| St. George's Church - Religious Organisations |
| San Remo (north East) Ltd - Italian Restaurant |
| Shopna Tandoori - Take Away Food Shops |
| Steve Roberts - Driving School |
| St Roberts City Learning Centre - Educational Services |
| Sunderland School Of Motoring - Miscellaneous Schools And Educational Services |
| Shoe Zone - Footwear Retailers |
| Stylo Plc - Shoe Retailers |
| S R Transport Services - Contract Haulers |
| SuperSwift Distribution Ltd - Courier Service |
| Sealants UK Ltd - Hardware Store |
| Spire Washington Private GP Surgery - General Practitioner |
| Spire Washington Sports & Physiotherapy Clinic - Physical Therapist |
| Spire Washington Dermatology & Skin Care Clinic - Dermatologist |
| Spire Washington Plastic & Cosmetic Surgery Clinic - Plastic Surgeon |
| Small Paws - Pet Groomer |
| Spire Washington Urology & Men's Health Clinic - Urologist |
| Spire Washington Gynaecology & Women's Health Clinic - Obstetrician-Gynecologist |
| Spire Washington Cardiology Clinic - Cardiologist |
| Shine Bright Clean - House Cleaning Service |
| Smithy G Builders - General Contractor |
| Specsavers Opticians and Audiologists - Washington Sainsbury's - Optometrist |