Companies catalogue
- S & S Steel Product Ltd, London
- S.W. Atchison Plumbing & Heating Ltd., London
- SEECGO POWER INTERNATIONAL LTD., London
- SS&D: The Movers, London
- Saint Thomas Elgin General Hospital, Saint Thomas
- Sandra Dufton Photography, London
- Sandy Krueger Real Estate Inc, Dorchester
- Sansin Corporation, Strathroy
- Santa Sells Houses Team - London Real Estate, London
- Santa Sells Houses Team - London Real Estate, London
- Sarah Kirshin-Neilans, London
- Sassy Nails, London
- Saunders W E & Sons Painters Ltd, Delhi
- Scene, London
- Scott Webb Photography, London
- Scribes' Nook Inc, Waterloo
- Sears Pickup Location, Thorndale
- Sebringville Post Office, Sebringville
- Semple Gooder Roofing Limited, London
- Senton Incorporated, London
- Sheffield Moving & Storage, London
- Shell, Barrie
- Shelley's Sawmill Inc, Wallacetown
- Sherwin-Williams Paint Store, Cambridge
- Sherwin-Williams Paint Store, Hamilton
- Sherwin-Williams Paint Store, Hamilton
- ShopHopperz, London
- Shoreline Plumbing & Heating, London
- Shred-it, London
- Shur-way Industries, Ayr
- Sico Inc., Brantford
- Sifton Properties Limited, London
- Signpost (The), Dorchester
- Silverwood Community Pool, London
- Sitko Farms Inc, Wilsonville
- Sivaco Ontario Division Ivaco Inc, Ingersoll
- Skirms-Ave Property Management, London
- Sle-Co Plastics Inc., London
- Sle-Co Plastics Inc., Saint Thomas
- Smaill Roofing, London
- Smink Plumbing, London
- Smink Plumbing, Mount Brydges
- Snc-Lavalin Profac, London
- Soan Mechanical Ltd, London
- Sobek Plumbing, London
- Solutions In Print, London
- Sonic Cycle Salvage, London
- Sons Of Greece Motorcycle Association, London
- Source Teamworks, London
- South London Community Pool, London
- Southcrest Pool, London
- Southdale Pharmacy, London
- Southside Group (London) Limited, London
- Southwinds Roofing, London
- Sovereign Pharmaceuticals, London
- Sovereign Pharmaceuticals, London
- Spectra Aluminum Products, Bradford West Gwillimbury
- Springbank Mini Mart & Video & Southcrest Post Office, London
- Springbank Pharmacy, London
- Springfield Post Office, Springfield
- Sprint Moving Service, London
- Sprint Moving Service, London
- St Thomas Appliance Repair, Saint Thomas
- St Thomas Pawn Shop, Saint Thomas
- St. Marys, Saint Marys
- St. Thomas Times Journal, Saint Thomas
- Stan-McCallum Lithographing, London
- Stan-McCallum Marketing & Design, London
- Staples Print & Marketing Services, Saint Thomas
- Star Nails, London
- Starfish & Coffee Photography, London
- Stax Packaging Services Inc, London
- Steel Roofing Panels - Ontario, Canada | Steel Roofers, Dorchester
- Stephanie Nail Salon, London
- Sterling Karamar, Toronto
- Sterling Paralegal, London
- Steve Young Plumbing & Heating Ltd, Dorchester
- Steve the Paralegal, London
- Stevenson Bradish Paralegal Services, Brantford
- Stew's Appliance, Saint Thomas
- Stitch-it central, Ingersoll
- Stone Paradise, London
- Stop-N-Go Video, London
- Strand Fine Art Services - Custom Picture Framing, London
- Stratford Festival Reviews, London
- Strathroy Middlesex General Hospital, Strathroy
- Street City Realty Inc., London
- Stronach Pool, London
- Stucco Pro, London
- Sultan Paralegeal Svc, London
- Summer Students Moving, London
- Sun Media Corporation, London
- Sunshine Nails, London
- Super Air Bounce Rentals, Tillsonburg
- Superior Office Supplies Ltd, London
- Superior Plumbing Service, London
- Supreme Decorating & Painting Co, Hamilton
- Sutton Group Preferred Realty Inc., Brokerage, London
- Sutton Group Select Realty, London
- System Select Realty, brokerage, London