| T W Laming & SON Ltd | Gainsborough | 2014 |
| T W Long Farms Ltd | Woolpit | 2026 |
| T W Newell Farms Ltd | Kilkeel | 2016 |
| T W Stables Ltd | Folkestone | 2019 |
| T W West Farms Limited | Whitehaven | 2018 |
| T W West Ltd | Whitehaven | 2003 |
| T Walters Racing Ltd | Tonbridge | 2014 |
| T Watts Farms Limited | Ingatestone | 2018 |
| T White Agri Services Ltd | Beaminster | 2019 |
| T Williams Sports Horses Ltd | Folkestone | 2014 |
| T Wills & Sons (NI) Limited | Downpatrick | 2012 |
| T Wills & Sons Limited | Downpatrick | 2007 |
| T Worsey Ltd | Ashbourne | 2024 |
| T&H Farming Ltd | Wisbech | 2022 |
| T&Hn Limited | Uttoxeter | 2017 |
| T&J Montgomery Contracts Limited | Eglinton | 2017 |
| T&L Nicholson Ltd | Annan | 2018 |
| T&M Agricultural Contractors Limited | Spalding | 2005 |
| T&M Fishing Ltd | Plymouth | 2022 |
| T&Nshrooms Limited | London | 2025 |
| T&R Norman Ltd | London | 2025 |
| T&T Fishing Ltd | Bridport | 2025 |
| T&T Racing Limited | London | 2025 |
| T-Zed Group Ltd | London | 2026 |
| T. & C. Young Limited | Dundee | 1954 |
| T. & J. Linton Limited | Biggar | 2006 |
| T. & J. Parker (Garford) Limited | Hereford. | 1949 |
| T. & K. Brown and Sons Limited | Oxon | 1972 |
| T. a. Green & Sons (Down Farms) Limited | Salisbury | 1964 |
| T. Brocklehurst Farms | Woodhall Spa | 1976 |
| T. Brogan & SON (Farms) Ltd | Omagh | 2021 |
| T. Brown & SON (Covington) Limited | Huntingdon | 1984 |
| T. Cook & SON (Farmers) Limited | Withernsea | 1952 |
| T. Cook Limited | Holsworthy | 1999 |
| T. F. Sole Limited | Folkestone | 2006 |
| T. Fairley & Sons Limited | Mistley Manningtree | 1997 |
| T. Holden Limited | Preston | 2008 |
| T. I. Simpson (Farms) Limited | Redditch | 2010 |
| T. Jowett & Sons (Farmers) Limited | Wilsden | 1978 |
| T. Long & Co. Limited | | 1986 |
| T. M. T. Technologies Limited | Swaffham | 2005 |
| T. Pears Limited | Huddersfield | 2003 |
| T. R. Silcock Limited | Nr. Ormskirk | 1981 |
| T. Ripley Limited | Kent | 2004 |
| T. T. Proturf Limited | Doncaster | 1997 |
| T. W. Bell & Sons (Farmers) Limited, | Driffield | 1963 |
| T.& H.King Limited | Tonbridge | 1903 |
| T.& H.Price Limited | Holywell | 1939 |
| T.& W.Hays Bros.Limited | Cambridge | 1953 |
| T.A. Ranson & Sons (Farmers) Limited | Surrey | 1969 |
| T.A. Smith & Co. (Farm Produce) Limited | Spalding | 1955 |
| T.A.G. Farming and Hire Limited | Farnsfield | 1997 |
| T.A.Priestley,Limited | Boston | 1943 |
| T.A.Tunnard Limited | Biggleswade | 1942 |
| T.B. Fairey & Sons Limited | Linton | 1948 |
| T.B.Bratley & SON Limited | York | 1964 |
| T.B.Earle(Farms)Limited | Richmond | 1964 |
| T.B.F. Systems Limited | Sheffield | 2006 |
| T.C Fishing Ltd | Bridport | 2019 |
| T.C. & R.L. Adams Limited | Mid Glamorgan | 2003 |
| T.C. Beattie & Co. Limited | Lockerbie | 2006 |
| T.C. Wall & Sons Limited | Worcester | 1959 |
| T.C. Woodgate Tree Surgery Ltd | Crowborough | 2019 |
| T.C.Cheer Company Limited | Boston | 1957 |
| T.Crawford & Co.Limited | Norwich | 1962 |
| T.Cross & Sons(Hartwell)Limited | Milton Keynes | 1961 |
| T.D. Boxall Limited | Ashford | 1989 |
| T.D. Thursfield Ltd | Stoke-On-Trent | 2023 |
| T.D. Woodlands Limited | Kendal | 2005 |
| T.D.E. Pick & Sons Limited | York | 2016 |
| T.E. Almond (Farms) Limited | York | 1978 |
| T.E. Beevers (Farmers) Limited | East Yorkshire | 1973 |
| T.E. Smith Ltd | Ormskirk | 2020 |
| T.E.G Drum Farm Limited | Banffshire | 2024 |
| T.E.Richardson & Co.Limited | London | 1928 |
| T.F.Jackson Properties Ltd | Buxton | 2008 |
| T.G. Brumfield & SON Limited | Beverley | 2012 |
| T.G. O'Fee Limited | Carlisle | 1977 |
| T.G.Gilbert(Walcot)Limited | Lincoln | 1957 |
| T.G.Redsell Limited | Faversham | 1941 |
| T.H. Relph Limited | Penrith | 2003 |
| T.H. Spink and Sons Limited | Great Yarmouth | 1973 |
| T.H.Clements & SON Limited | Boston | 1966 |
| T.H.F. Johnson Limited | Westbury | 1954 |
| T.H.Hobson Limited | York | 1951 |
| T.H.Williams & SON Limited | Tenbury Wells | 1959 |
| T.Hilling & Co.Limited | Woking | 1954 |
| T.I. Miller & Partners Limited | Sturminster Newton | 2007 |
| T.I.M Forestry Limited | Annan | 2022 |
| T.I.P Trading Limited | Ingatestone | 2024 |
| T.I.Vernon Limited | Near Horley | 1957 |
| T.J Farms Limited | Richmond | 2008 |
| T.J. Bates & SON | Beds | 1958 |
| T.J. Rowland (Farms) Limited | Sturminster, | 1958 |
| T.J. Shepherd | Nr Oswestry | 1964 |
| T.J. Wheaton Limited | Ipswich | 1997 |
| T.J.Bird & Sons Limited | Dinas Powys | 1948 |
| T.J.Harman & Sons Limited | Watford | 1951 |
| T.J.S. Tree Services Limited | Lincoln | 2009 |
| T.K.Jeans & Sons Limited | Yeovil | 1956 |