| Sedgemoor District Council | Bridgwater | — | — | Open → |
| Sefton Metropolitan Borough Council | Bootle, Merseyside | — | 0151 934 3543 | Open → |
| Selby Building Plastics Ltd | Selby | — | — | Open → |
| Selby District Council | York | enquiries@nybcp.org | 01347 822703 | Open → |
| SELBY TOWN COUNCIL | — | — | — | Open → |
| SELBY UNITED REFORM CHURCH | — | — | — | Open → |
| Selby Windows & Conservatories | Selby | donna@selbywindowsandconservatories.com | — | Open → |
| SELINA WELLS | — | — | — | Open → |
| Series One Design Associates | York | — | — | Open → |
| Sevenoaks District Council | Sevenoaks | building.control@sevenoaks.gov.uk | 01732 227376 | Open → |
| Severn Trent Water (East) | Leicester | net.dev.east@severntrent.co.uk | 024 7771 6843 | Open → |
| Severn Trent Water (West) | Wolverhampton | net.dev.west@severntrent.co.uk | 01902 793550 | Open → |
| SEWARD AGRICULTURAL MACHINARY LTD | — | — | — | Open → |
| SEYMOUR | — | — | — | Open → |
| SH BROWN FARMS LTD | — | — | — | Open → |
| SHANTONA WOMANS CENTRE | — | — | — | Open → |
| SHARISTON ROVERS ARLFC | — | — | — | Open → |
| Sharmila Gohill | Pocklington | — | — | Open → |
| Sharon Drury | Selby | — | — | Open → |
| SHARON JENNINGS | — | — | — | Open → |
| Sharon Langhan | Selby | — | — | Open → |
| Sharon Northcott | York | northcott623@btinternet.com | — | Open → |
| Sharon SAP Calcs | — | — | 07795414494 | Open → |
| SHARON YOUNG | — | — | — | Open → |
| SHARPE | — | — | — | Open → |