| D & M Forestry Services Ltd | Moreton-In-Marsh | 2017 |
| D & M Irving Farming | Wigton | 2012 |
| D & M Moule Tree Care Ltd | Ringwood | 2015 |
| D & M Sharp (Farming) Limited | Letchworth Garden City | 1976 |
| D & M Wharton Limited | Diss | 2003 |
| D & N Farming Ltd | Thame | 2023 |
| D & P Pilkington Farms | Lytham St Annes | 2012 |
| D & P R Tibbs & SON Limited | Bristol | 2022 |
| D & P Warden Ltd | Maidstone | 2012 |
| D & R Cornthwaite | Glasgow | 2017 |
| D & R Davies Limited | Llandeilo | 2020 |
| D & R Watt Limited | Fraserburgh | 2005 |
| D & R Woodall Limited | Market Rasen | 2009 |
| D & S Chestnut Ltd | Bexhill-On-Sea | 2019 |
| D & S Farms Limited | Grantham | 1965 |
| D & S Hogarth Ltd | Saltcoats | 2026 |
| D & S Muir Limited | Crewe | 2003 |
| D & S Nicholson & Sons Ltd | Driffield | 2016 |
| D & T Farms Limited | Bury St Edmunds | 2014 |
| D & W Agriculture Limited | Lockerbie | 2011 |
| D & W Riccini Limited | Faversham | 2011 |
| D a & B D Parsons Limited | Cullompton | 2018 |
| D a & F Brown Limited | Ashbourne | 2003 |
| D a Baillie Limited | Perth | 2008 |
| D a Clark 64 Ltd | Shetland | 2019 |
| D a Farms Limited | Market Rasen | 2025 |
| D a Riley & SON Ltd. | Bourne | 2016 |
| D a Shanks Limited | Crieff | 2012 |
| D a Smith Groundworks Ltd | Leek | 2019 |
| D a Wright Farming Limited | Banbury | 2012 |
| D Abblitt & SON Ltd | Huntingdon | 2011 |
| D and H Farming Limited | Lytham St. Annes | 2017 |
| D and M Channer Limited | Amersham | 2022 |
| D and P Turner (Farming) Ltd | Horsham, West Sussex | 2022 |
| D and R Moffett Limited | Dungannon | 2012 |
| D and S Thompson Contractors Ltd | Maidenhead | 2005 |
| D and T Tree Services Ltd | Diss | 2019 |
| D B Farming Limited | Bolton | 1983 |
| D B Forestry Limited | West Kilbride | 2020 |
| D Banks Contractors Ltd | Chippenham | 2026 |
| D Barnes Fishing Ltd | Shetland | 2020 |
| D Best Garden & Trees Services Ltd | Wetherby | 2025 |
| D Black & SON Limited | Strabane | 2014 |
| D Boynton and SON Limited | Ross-On-Wye | 2016 |
| D C and B Farming Limited | Scunthorpe | 2013 |
| D C Campbell Limited | Auchterarder | 2009 |
| D C Eades Farriery Limited | Newport Pagnell | 2009 |
| D C Parrish & Sons Ltd | Royston | 2014 |
| D C Produce Limited | Ely | 1997 |
| D C West Farms (Suffolk) Limited | Norwich | 2015 |
| D Cartmell Ltd | Burnley | 2002 |
| D Clifford & Sons Limited | Nottingham | 2017 |
| D Collinson Consulting Limited | Winchester | 2019 |
| D Crane & SON Limited | Leics | 2006 |
| D D Mcharg Ltd | Stranraer | 2016 |
| D E & E M Davies Limited | Porthmadog | 2013 |
| D E & M a Morgans Limited | Llangammarch Wells | 2007 |
| D E & S E Furnival Limited | Market Drayton | 2005 |
| D E Byass and SON Ltd | Driffield | 2012 |
| D E Fenton Limited | Manchester | 2014 |
| D F Ashman Forestry Ltd | Monmouthshire | 2012 |
| D F Contracting Limited | Perth | 2011 |
| D F Hamilton Timber Contractor Ltd | Maybole | 2010 |
| D G and L M Strong Limited | Penrith | 2014 |
| D G Ditchfield Limited | Ashbourne | 2007 |
| D G Farming Co Limited | Boston | 2009 |
| D G Hadingham & SON Limited | Halesworth | 2016 |
| D G Jones Dairy Ltd | Menai Bridge | 2023 |
| D G L D Excavations Limited | Tenterden | 2003 |
| D G Shearing Limited | Penrith | 2024 |
| D G Waters & Sons Ltd | Norfolk | 2011 |
| D Gallagher & Sons Ltd | Dungannon | 2015 |
| D Gerrard Agri Services Ltd | Durley | 2023 |
| D Gerrard Groundworks Ltd | Durley | 2025 |
| D Gibson Tree & Forestry Services Ltd | Coldstream | 2012 |
| D Grafen & Sons Ltd | Sudbury | 2017 |
| D H 2 Limited | Dingwall | 2003 |
| D H Agri Services Ltd | Lostwithiel | 2019 |
| D H Benney Limited | Helston | 2017 |
| D H Jones and SON Limited | Crewe | 2016 |
| D H Loates Limited | Retford | 2017 |
| D H Patten Limited | Taunton | 2023 |
| D H Welburn Farming Limited | Goole | 2003 |
| D Hargreaves & SON Limited | Preston | 2003 |
| D Harris Farm Supplies Limited | Nantwich | 2011 |
| D Holt Limited | New Mills | 2022 |
| D I Webster & Sons Limited | St Helens | 2008 |
| D J and a Lunn Ltd | Wisbech | 2014 |
| D J and J K Waller Limited | Attleborough | 2017 |
| D J Barratt Ltd | Cambridge | 2003 |
| D J Bedford Crop Spraying Services Limited | Kington | 2014 |
| D J Bell Trading Limited | Liverpool | 2014 |
| D J Clayton Agri Ltd | Stoke On Trent | 2012 |
| D J Davison and Sons Ltd | Bury St. Edmunds | 2015 |
| D J Edge & Partners Limited | Cheshire | 2012 |
| D J Fishing Ltd | Fraserburgh | 2019 |
| D J Gwynne & SON Limited | Telford | 2008 |
| D J Howells Ltd | Aberystwyth | 2019 |
| D J Kiddy Limited | Sudbury | 2012 |
| D J Kincaid Limited | Lockerbie | 2012 |