| W. Gough (Farms) Limited | Chippenham | 1975 |
| W. H. Leach & Sons (Ivinghoe) Limited | Towcester | 1960 |
| W. H. Osborne Limited | Birkenhead | 2000 |
| W. H. Strawson (Farms) Limited | Brigg | 1968 |
| W. H. Strawson (Notts.) Limited | Gainsborough | 1968 |
| W. Handy Limited | Chippenham | 1999 |
| W. Harradine & Sons Limited | Cambridgeshire | 1955 |
| W. Hedley and Sons Ltd | Newcastle-Upon-Tyne | 2003 |
| W. Hodgson & Partners Limited | Pickering | 2003 |
| W. Hoyes & Sons Limited | Boston | 1984 |
| W. Hustler Limited | Lincoln | 1976 |
| W. Hutchison (Hillend) Ltd. | Shetland | 2003 |
| W. Irlam (Stoke Plain) Limited | Towcester | 1971 |
| W. J. Farvis & Co. Ltd | Bristol | 2024 |
| W. Johnson & SON (Farmers) Limited | Solihull | 1955 |
| W. Kearney Ltd | Newry | 2007 |
| W. Kerr & SON Limited | Battle | 2009 |
| W. M. Fotheringham & SON | Perth | 1981 |
| W. Macgillivray | Ross-Shire | 1956 |
| W. Martin Lindsay & Sons Limited | Belfast | 1972 |
| W. Milner Limited | Much Wenlock | 1987 |
| W. Murray (Farming) Limited | | 1960 |
| W. Needham & Sons Farming Limited | Olney | 1985 |
| W. Nutt & SON Limited | Near Malton, | 1954 |
| W. Plowden Farms | Lydbury North | 1973 |
| W. Potter & Sons (Poultry) Limited | Oxford | 1971 |
| W. R. Agriculture Ltd | Stoke-On-Trent | 2016 |
| W. R. Henman & Sons Limited | Kidlington | 1964 |
| W. R. Suckling and Sons Ltd | Haverhill | 2024 |
| W. Robson (Farm) Limited | Bishop Auckland | 1985 |
| W. Shelley & Sons Limited | Stone | 2010 |
| W. Stevenson & Sons Limited | Penzance | 1998 |
| W. T. DOE Tree Surgeon Ltd | Wimborne | 2008 |
| W. U. Butterfield (Farming) Limited | Whitby | 1963 |
| W.& H.Jackson Limited | Gainsborough | 1955 |
| W.& P.Caley Limited | Kings Lynn | 1964 |
| W.& R. Barnett, Limited | Belfast | 1924 |
| W.A. Almack Limited | Bedale | 1976 |
| W.A. Armstrong & Sons, Limited | Scunthorpe | 1951 |
| W.A. Wade-Gery Limited | Colmworth | 1984 |
| W.A.Davey & SON | Rogate | 1961 |
| W.A.Johnson & SON (Evesham) Limited | Pershore | 1962 |
| W.A.Silvester Limited | Stourport On Severn | 1958 |
| W.A.West Limited | Boston | 1960 |
| W.B. & A.G. Swan Limited | Eyemouth | 1965 |
| W.B. Lamyman | Skegness | 1955 |
| W.B. Ritchie Farms Limited | North Yorkshire | 1997 |
| W.B. Smith Trees & Turf Limited | Paisley | 2008 |
| W.B.Leach(Holdings)Limited | Suffolk | 1968 |
| W.B.Rylatt and Sons Limited | Gainsborough | 1965 |
| W.B.Wright & Sons Limited | Spalding | 1952 |
| W.Bradley & Sons(Freiston)Limited | Fishtoft Boston | 1944 |
| W.C.Emmett & Sons Limited | Bucks | 1958 |
| W.C.Green & SON Limited | Oxfordshire | 1961 |
| W.C.Thornton & SON Limited | Near Preston | 1959 |
| W.D. Kirkby (Farms) | Ulceby | 1974 |
| W.D. Simpson & Sons (Highfield) Limited | | 1957 |
| W.D. Williams & Sons Ltd | Llangefni | 2003 |
| W.D.Burrough & Sons Limited | Taunton | 1964 |
| W.D.M. & E.M. Evans Limited | Haverfordwest | 2003 |
| W.D.Sellers and Sons Limited | Driffield | 1955 |
| W.D.Smith & SON | Battlesbridge | 1963 |
| W.E. Creek and SON (Farms) Limited | Cambridge | 1974 |
| W.E. Foers & SON Limited | Doncaster | 1983 |
| W.E. Green and SON (Studley) Limited | Studley | 1946 |
| W.E. Waygood & SON Limited | Stevenage | 1963 |
| W.E.Cook(Farmers)Limited | Beds | 1962 |
| W.E.Grant | Boston | 1958 |
| W.E.Harris & Sons Limited | Southfleet | 1949 |
| W.E.Swales & Sons Limited | Thirsk | 1961 |
| W.F. Wythall Limited | Pontefract | 1988 |
| W.F.B.Palmer & Son(Organford)Limited | Poole | 1961 |
| W.F.C. (Holywell) Limited | Wrexham | 1995 |
| W.Faill & Sons Ltd | Stocksfield | 2004 |
| W.French and CO.(1972)LIMITED | Near Exeter | 1972 |
| W.G. FRY & SON (Contracting) Limited | Salisbury | 2008 |
| W.G. Hamilton Limited | Ballyclare Co Antrim | 1950 |
| W.G. Lerwill (Farms) Limited | | 1961 |
| W.G. Page Limited | Holcot | 1965 |
| W.G. Troup Limited | Aberdeen | 1999 |
| W.G. Vant & Sons Limited | Faversham | 2006 |
| W.G. Watts Limited | Great Yarmouth | 1961 |
| W.G.H. Marine Engineering Ltd. | Shetland | 2005 |
| W.G.Jacobs Limited | Nr Bury St Edmunds | 1938 |
| W.G.Riley & Co. | Melton Mowbray | 1962 |
| W.G.Waters Limited | Earls Colne | 1956 |
| W.H. Harvey Limited | Orkney | 1955 |
| W.H. Jones (Farms) Limited | Nr Wrexham Clwyd | 1976 |
| W.H. Richardson & SON Limited | Hull | 1973 |
| W.H.Edginton & Sons Limited | Witney | 1955 |
| W.H.Kerkham(Rhoon)Limited | King'S Lynn | 1952 |
| W.H.Mawdsley Limited | Glazebury | 1964 |
| W.H.Mead & SON Limited | Wisbech | 1950 |
| W.H.Sanderson & Sons Limited | Ashington | 1963 |
| W.H.Slater(Farms) | Shifnal | 1952 |
| W.H.Urry and Sons Ltd | Horncastle | 2003 |
| W.J Equine Transport Ltd | Mansfield | 2026 |
| W.J. Dickinson & Sons (Farmers) Limited | Herts | 1942 |
| W.J. Masters & Sons Limited | Frome | 1964 |
| W.J. Osborn & Sons Limited | Truro | 1964 |