| 8651516 | Telfords Coaches Ltd | Newcastleton TD9, UK | TD9 | alistair@telfordcoaches.com | Alistair Telford | | — | |
| 8644463 | TC Thomas & Sons | T C Thomas & Son, Stoney Stretton, Yockleton, Shrewsbury SY5 9PZ, UK | SY5 9PZ | — | Myles Thomas | | — | |
| 7553223 | Telso Electrical Services Limited | Telso Electrical Services Limited, 72A Humberston Avenue, Humberton, Grimsby, North East Lincolnshire, DN36 4SU | DN36 4SU | info@teloselectrical.co.uk | Sverrir Olgeirsson | | — | |
| 7011116 | Tenchleys Farm House | Tenchleys Farm House, Oxted, Surrey, RH8 0RL | RH8 0RL | richard@sibltd.co.uk | Richard Rushton | | — | |
| 6922333 | Techold Ltd | Installation Technology Ltd, Headley Park Area 10, Headley Road East, Unit 13, Woodley, Berkshire, RG5 4SW | RG5 4SW | ian.parris@installationtechnology.com | Ian Parris | | — | |
| 6554484 | Terry Inman NS3210 | Dronfield S18 7SD, UK | S18 7SD | david@crofthousefarm.co.uk | David Inman | | — | |
| 6495965 | Terry Browne | 2 Marsh Cottages, Brampton Bryan, Bucknell SY7 0DN, UK | SY7 0DN | tjbrowne820@btinternet.com | Terry Browne | | — | |
| 5940275 | Terence Ewart | Osbourne House, Kirkanswers-On-Eden, Carlisle CA5 6DJ, UK | CA5 6DJ | ewartterry@yahoo.co.uk | Terence Ewart | | — | |
| 5889179 | TCW Engineering | Lammas Farm, Wolf's Castle, Haverfordwest SA62 5DY, UK | SA62 5DY | tom@tsweningeering.co.uk | Tom Wolsey | — | — | |
| 5688151 | Terry Parkin | 16a Merricks Lane, Basildon, SS16 4RT, UK | SS16 4RT | terryparkin@blueyonder.co.uk | Terry Parkin | — | — | |
| 5591044 | Tegron Construction Limited | Stoneswood Lodge, Stoneswood Rd, Limpsfield Chart, Oxted, Surrey, RH8 0QY, UK | RH8 | tegron@live.com | Andrew Tocher | — | — | |
| 5590072 | Terry Price | Trelan Gate Farm, Trelan, St Keverne, Helston TR12 6RP, UK | TR12 6RP | tpsunnycorner@gmail.com | Terry Price | | — | |
| 5429040 | TDS | 94 Barnfield Way, Oxted, Surrey, RH8 9QG, UK | RH8 9QG | rodtamplin@aol.co.uk | Rod Tamplin | — | — | |
| 5413401 | Terrysfield | Terrysfield, Luxted Road, Downe, Orpington, Kent, BR6 7JT | BR6 7JT | — | J A Bishop | | — | |
| 5320356 | Terry Everett | Chertdon Lodge, St Andrews Lane, Congham, King's Lynn, Norfolk, PE32 1DY, UK | PE32 1DU | t.everett795@btinternet.com | Terry Everett | — | — | |
| 5220207 | Teresa Butler | Bridleway Cottage, Hall Place, Cranleigh, Surrey, GU6 8LD, UK | GU6 8LD | butler@teresabutler28.orangehome.co.uk | Teresa Butler | | — | |
| 5135027 | Terry Graves Electrical Ltd | Unit 4B, Pennygillam Way, Pennygillam Industrial Estate, Launceston, Cornwall, PL15 7ED, UK | PL15 | info@terrygraveselectrical.co.uk | Terry Graves | — | — | |
| 5035319 | TEKNEKA LTD | 21 Chain House Lane, Whitestake, Preston, Lancashire, PR4 4LE, UK | PR4 4LE | lee@tekneka.co.uk | Lee Wiggins | — | — | |
| 5031623 | Techaid Facilities Ltd | The Grove, Pyebush Lane, Beaconsfield, Bucks, HP9 2RX, UK | HP9 2RX | mart33648@aol.com | Martin Gardener | — | — | |
| 4506325 | Tenigo (Wensleydale) Ltd | Hillside House, Thornton Rust, Leyburn DL8 3AN, UK | DL8 3AN | tenigo@btconnect.com | Gillian Harrison | | — | |
| 3848887 | Terry Morgan | Alfoxton House, 217 Hockley Road, Hockley Road, Rayleigh, Essex, SS6 8BH, UK | SS6 8BH | morganhouse@btinternet.com | Terry Morgan | | — | |
| 3836907 | Ted Smith - The Furze - RG10 0SY | Dunt Ave, Hurst, Reading RG10 0SY, UK | RG10 0SY | — | Ted Smith | | — | |
| 9925755 | Tattershall Castle | Sleaford Rd, Tattershall, Lincoln LN4 4LR, UK | LN4 4LR | mark.bodman@nationaltrust.org.uk | Mark Bodmen | | — | |
| 9925232 | Tam Byrne | 14 Heybridge Ln, Prestbury, Macclesfield SK10 4HD, UK | SK10 4HD | tam@tamasbyrne.com | Tam Byrne | — | — | |
| 9915679 | Tarsus Residents Ltd | Southam CV47 1BE, UK | CV47 1BE | lewis@misthos.com | Lewis Gent | | — | |