Directory of Useful Organisations
| Stone | English Stone Forum | | www.englishstone.org.uk |
| Stone | Stone Federation Great Britain | 01303 856123 | www.stone-federationgb.org.uk |
| Stone | Natural Stone Database Northern Ireland | | www.stonedatabase.com |
| Structural Engineering | ISE (Institution of Structural Engineers) | 020 7235 4535 | www.istructe.org.uk |
| Surveying | RICS (Royal Institution of Chartered Surveyors) | 024 7686 8555 | www.rics.org |
| Sustainable Construction | AECB (Association for Environment Conscious Building) | 0845 456 9773 | www.aecb.net |
| Sustainable Construction | Centre for Alternative Technology | 01654 705 989 | www.cat.org.uk |
| Sustainable Construction | GreenSpec - National Green Specification | | www.greenspec.co.uk |
| Sustainable Construction | Zero Carbon Hub | 0845 888 7620 | www.zerocarbonhub.org |
| Tax | CIS (Construction Industry Scheme) | 0845 366 7899 | www.hmrc.gov.uk/cis |
| Testing and Calibration Laboratories | United Kingdom Accreditation Service | 020 8917 8400 | www.ukas.com |
| Testing and Calibration Laboratories | British Institute of Non Destructive Testing | 01604 893811 | www.bindt.org |
| Tiling | British Ceramic Confederation | 01782 744631 | www.ceramfed.co.uk |
| Tiling | Clay Roof Tile Council | 01782 744631 | www.clayroof.co.uk |
| Tiling | National Federation of Terrazzo Marble and Mosaic Specialists | 0845 609 0050 | www.nftmms.co.uk |
| Tiling | The Tile Association | 020 8663 0946 | www.tiles.org.uk |
| Timber | British Woodworking Federation | 0844 209 2610 | www.bwf.org.uk |
| Timber | Timber Trade Federation | 020 3205 0067 | www.ttf.co.uk |
| Timber | TRADA | 01494 569600 | www.trada.co.uk |
| Timber | Timber Decking Association | | www.tda.org.uk |
