| 5957955 | Trice Services | Beechlands, Old Salts Farm Road, Lancing, West Sussex, BN15 8JG, UK | BN15 8JG | iancliveellis@hotmail.co.uk | Ian Ellis | | — | |
| 5854217 | Trevor Wear | Gors Goch, Llanrhyddlad, Holyhead, Anglesey, LL65 4BD, UK | LL68 0TF | pentref@btinternet.com | Trevor Wear | — | — | |
| 5382729 | Trumps Mill House | Trumps Mill House, Trumps Mill Lane, Virginia Water, Surrey, GU25 4DU | GU25 4BW | genetaxiservices@outlook.com | Jaseem Shafique | | — | |
| 5379627 | Troy Electronics | York House (300527) Green Lane West, Garstang, Preston, Lancashire, PR3 1NJ, UK | PR3 1PR | calistus.xp@gmail.com | Calistus Kavindi | | — | |
| 5316011 | Trevor Smith | Old Church House, Barge Road, Holbeach St Matthews, Spalding, Lincolnshire, PE12 8EQ, UK | PE12 8EQ | smiffyman@hotmail.com | Trevor Smith | | — | |
| 5114060 | Trina Lightwood | Mushill Farm, East Rd, Wymeswold, Loughborough LE12 6ST, UK | LE12 6ST | trinalightwood@live.co.uk | Trina Lightwood | — | — | |
| 4998207 | Trigger Direct Limited | Curtis Farm, Green Lane, Rusper, Horsham, West Sussex, RH12 4PP | RH12 4PP | kathy@curtisfarm.co.uk | Rod Pengelli | | — | |
| 4777725 | Trevor Stevenson | 64 Heathcote Avenue, Birchwood, Hatfield AL10 0RJ, UK | AL10 0RJ | — | Trevor Stevenson | — | — | |
| 4549748 | Truck Sales 2000 Limited | 41 Bayton Road Industrial Estate, Exhall, Coventry CV7 9EL, UK | CV7 9ER | ts2000ltd@aol.com | William Simpson | — | — | |
| 4472861 | Trojan C & E Services Limited | 6 Thornton Rd, Carshalton, Surrey, SM5 1NJ, UK | SM5 1NJ | neil@trojanservices.net | Annamarie Quaradeghini | — | — | |
| 4283315 | Trulight | Lower Manor Farm, Lower Road, Croydon, Royston, SG8 0HD | SG8 0HD | warwick@trulight.co.uk | Warwick Raymen | — | — | |
| 4283308 | True Environmental Services Limited | Wentways Farm Cottage, Strakers Hill, East Studdal, Dover, CT15 5BS | CT15 5BS | andy@trues.co.uk | Andrew Hodges | | — | |
| 3492643 | Trueman Aviation - A1443 | Tollerton Airport, Tollerton Ln, Tollerton, Nottingham NG12 4GA, UK | NG12 4GA | brianwells@btinternet.com | Brian Wells | | — | |
| 3492641 | Trina Hill - No 28, Hasse Road (D1115) | Hasse Rd, Soham, Ely CB7 5UW, UK | CB7 5UW | trinahill@aol.com | Trina Hill | | — | |
| 3492369 | Trustees of Llanarth Estate (E1092) | Llanarth, Raglan, Usk, NP15 2YB | NP15 2YB | virginia@llanarthestate.co.uk | Richard Payne | | — | |
| 3491650 | Trust Care Limited (B1246) | 1 - 2 Town Moor Avenue,Doncaster, DN2 6BL | DN2 6BL | stevewilson@trustcare.co.uk | Steven Wilson | | — | |
| 8842692 | Treatment Plant Services | 57 Newman Rd, Exeter EX4 1PJ, UK | EX4 1PJ | tpsltd2020@gmail.com | Chris | — | — | |
| 8735079 | Treatment Plant Services Limited | 57 Newman Rd, Exeter EX4 1PJ, UK | EX4 1PJ | tpsltd2020@gmail.com | Kris Vanstone | | — | |
| 7792488 | Treetops | Hoden Ln, Cleeve Prior, Evesham WR11 8LH, UK | WR11 8LH | credwardes@btconnect.com | Clive Edwardes | | — | |
| 6972563 | Trawsnant | Trawsnant, Cross Inn, llandysul, Dyfed, SA44 6LX | SA44 6LX | philippadavenport@btinternet.com | P J Davenport | | — | |
| 6934626 | Trefalyn | Trefalyn, Penisarwaun, Caemarfon, LL55 3BN | LL55 3BN | davecunningham90@googlemail.com | David Cunningham | | — | |
| 6933122 | Travel Plaza | Harborough Road Desborough Kettering NN14 2UG | NN14 2UG | info@travelplaza.co.uk | Stoya Mihaylova | | — | |
| 6614172 | Tree Tops | Tree Tops, Gate house Kane, Aukley, Doncaster DN9 3EJ | DN9 3EJ | leesmay@gmail.com | Lee May | | — | |
| 6494761 | Trefhannau | Trefhannau, Addoldy Road, SA11 5EB | SA11 5EB | — | Kelvin Lewis | — | — | |
| 6096188 | Tredwell Developments Ltd (NS 3173) | Mobbs Way, Lowestoft NR32 3AL, UK | NR32 3AL | andrew.stubbs@tredwellltd.co.uk | Andrew Stubbs | | — | |