| 1 | Claas UK LIMITED | Unitedkingdom | Bury Saint Edmunds | Saxham | Suffolk | IP28 6QZ | claas.***** | 1949 | $281,694,007 | 457 | N/A | N/A | N/A |
| 2 | Ground Control LIMITED | Unitedkingdom | Billericay | Kingfisher House | Essex | CM12 0EQ | ground-control.***** | 1984 | $233,834,194 | 1,095 | N/A | N/A | N/A |
| 3 | Idverde LIMITED | Unitedkingdom | Aldermans Green | Octavia House | Coventry, West Midlands | CV4 8JP | idverde.***** | 1919 | $212,768,947 | 3,162 | N/A | N/A | N/A |
| 4 | Deme Environmental NV | Unitedkingdom | Saint Giles | Entrance A Tavistock House North | London | WC1H 9HR | N/A | 2001 | $203,916,905 | 232 | N/A | N/A | N/A |
| 5 | Ransomes Jacobsen LIMITED | Unitedkingdom | Ipswich | West Road | Suffolk | IP3 9TT | ransomesjacobsen.***** | 1789 | $185,272,591 | 438 | N/A | N/A | N/A |
| 6 | Grainlink LIMITED | Unitedkingdom | Withington | Astley Park | Shropshire | SY4 4RT | grainlink.***** | 2006 | $168,873,873 | 18 | N/A | N/A | N/A |
| 7 | Yorkshire Farmers Livestock Marketing LIMITED | Unitedkingdom | Malton | 11-13 Castlegate | North Yorkshire | YO17 7DP | yorkshirefarmers.***** | 1932 | $126,772,412 | 13 | N/A | N/A | N/A |
| 8 | Nurture Landscapes LIMITED | Unitedkingdom | Windlesham | Nursery Court | Surrey | GU20 6LQ | nurturelandscapes.***** | 1998 | $116,760,750 | 1,444 | N/A | N/A | N/A |
| 9 | Claas Manns LTD | Unitedkingdom | Bury Saint Edmunds | Saxham Business Park | Suffolk | IP28 6QZ | claas.***** | 1997 | $100,357,741 | 114 | N/A | N/A | N/A |
| 10 | Tivoli Group LIMITED | Unitedkingdom | Greenfield | Kennet Suite | Manchester, Greater Manchester | OL8 2PF | N/A | 2017 | $94,269,635 | 1,282 | N/A | N/A | N/A |
| 11 | Glendale Countryside LIMITED | Unitedkingdom | Chorley | Duxbury Park | Lancashire | PR7 4AT | glendale-services.***** | 1987 | $81,697,034 | 1,018 | N/A | N/A | N/A |
| 12 | Maylim LIMITED | Unitedkingdom | Upper Holloway | Unit 4 Wharf Studios | London | N1 7GR | maylim.***** | 2002 | $81,415,963 | 119 | N/A | N/A | N/A |
| 13 | Longacres Garden Centre LIMITED | Unitedkingdom | Bagshot | London Road | Surrey | GU19 5JB | longacres.***** | 2011 | $70,918,471 | 614 | N/A | N/A | N/A |
| 14 | Dlf Seeds LTD. | Unitedkingdom | Churchill | Thorn Farm | Worcestershire | WR7 4LJ | dlf.***** | 1994 | $62,077,259 | 380 | N/A | N/A | N/A |
| 15 | Origin Amenity Solutions LIMITED | Unitedkingdom | Royston | Freeman Court | Barnsley, South Yorkshire | SG8 5HW | originfertilisers.***** | 1919 | $61,239,534 | 523 | N/A | N/A | N/A |
| 16 | Krinkels UK LIMITED | Unitedkingdom | Little Chesterton | Wychwood House | Oxfordshire | OX25 3SX | continental-landscapes.***** | 1989 | $60,197,716 | 849 | N/A | N/A | N/A |
| 17 | Littlewood Fencing UK LIMITED | Unitedkingdom | Boothstown | Network Plus Services Ltd | Manchester, Greater Manchester | M28 1DR | littlewoodfencing.***** | 2017 | $59,675,896 | 222 | N/A | N/A | N/A |
| 18 | Willett And Son (bristol) LIMITED | Unitedkingdom | Bristol | 51 Queen Square | City of Bristol | BS1 4LJ | proctorsnpk.***** | 1960 | $56,330,968 | 10 | N/A | N/A | N/A |
| 19 | Countrywide Grounds Maintenance LIMITED | Unitedkingdom | Brackley | 4 Buckingham Road | Northamptonshire | NN13 7EL | countrywidegrounds.***** | 1993 | $55,602,609 | 474 | N/A | N/A | N/A |
| 20 | Blakedown Environment & Leisure LTD | Unitedkingdom | Chobham | Halebourne Nurseries | Surrey | GU24 8SL | blakedown.***** | 1968 | $49,220,181 | 108 | N/A | N/A | N/A |
| 21 | Fine Agrochemicals LIMITED | Unitedkingdom | Norton | Hill End House | Worcestershire | WR5 2RQ | fine.***** | 1983 | $42,957,644 | 279 | N/A | N/A | N/A |
| 22 | Elite Landscapes LIMITED | Unitedkingdom | Burnham | Unit F7 the Priory | Buckinghamshire | SL1 7LW | elitelandscapes.***** | 1999 | $42,693,324 | 15 | N/A | N/A | N/A |
| 23 | John O'conner (grounds Maintenance) LIMITED | Unitedkingdom | Welwyn | 2 Great North Road | Hertfordshire | AL6 0PL | johnoconner.***** | 1991 | $37,900,777 | 614 | N/A | N/A | N/A |
| 24 | Willerby Landscapes LIMITED | Unitedkingdom | Edenbridge | Bridge Nurseries | Kent | TN8 6RN | willerby-landscapes.***** | 1983 | $34,928,199 | 142 | N/A | N/A | N/A |
| 25 | Whiting Landscape LIMITED | Unitedkingdom | Lydiate Ash | Wildmoor Lane | Worcestershire | B61 0RJ | whitinglandscape.***** | 1987 | $32,383,980 | 147 | N/A | N/A | N/A |
| 26 | Lallemand Animal Nutrition UK LIMITED | Unitedkingdom | Great Malvern | 11-13 Spring Lane North | Worcestershire | WR14 1BU | lallemand.***** | 1983 | $27,866,930 | 194 | N/A | N/A | N/A |
| 27 | Countrywide Grounds Maintenance | Unitedkingdom | Banbury | 3-4 Horse Fair | Oxfordshire | OX16 0AA | countrywidegrounds.***** | 1990 | $27,730,300 | 550 | N/A | N/A | N/A |
| 28 | Scott Brownrigg Group LIMITED | Unitedkingdom | Wood Street | St. Catherines Court | Surrey | GU2 4DU | scottbrownrigg.***** | 1993 | $27,508,369 | 189 | N/A | N/A | N/A |
| 29 | T. C. Landscapes LIMITED | Unitedkingdom | Thornby | Covey Farm | Northamptonshire | NN6 8BE | tclgrp.***** | 1983 | $27,134,890 | 109 | N/A | N/A | N/A |
| 30 | Tigerturf (UK) LIMITED | Unitedkingdom | Kidderminster | Unit 5a Cursley Distribution Park | Worcestershire | DY10 4DX | tigerturf.***** | 2000 | $26,212,184 | 61 | N/A | N/A | N/A |
| 31 | Blakedown Landscapes (SE) LIMITED | Unitedkingdom | Chobham | Halebourne Lane | Surrey | GU24 8SL | blakedown.***** | 1990 | $25,504,363 | 62 | N/A | N/A | N/A |
| 32 | Gardener's Dream LTD | Unitedkingdom | Queenzieburn | Craigmarloch Nurseries Ltd | North Lanarkshire | G65 9BX | gardenersdream.***** | 2011 | $24,066,234 | 90 | N/A | N/A | N/A |
| 33 | The Cgm Group (east Anglia) LIMITED | Unitedkingdom | Windlesham | Nursery Court | Surrey | GU20 6LQ | N/A | 1998 | $23,746,151 | 218 | N/A | N/A | N/A |
| 34 | Rolawn LIMITED | Unitedkingdom | South Newbald | The Airfield | East Riding of Yorkshire | YO42 4NF | rolawn.***** | 2002 | $22,993,794 | 73 | N/A | N/A | N/A |
| 35 | The Land Restoration Trust | Unitedkingdom | Croft | Dewhurst Road, Birchwood | Warrington | WA3 7GB | thelandtrust.***** | 2004 | $22,445,497 | 53 | N/A | N/A | N/A |
| 36 | UK Landscapes LIMITED | Unitedkingdom | Middlewich | Unit 10 | Cheshire East | CW10 9LT | uklandscapes.***** | 1997 | $21,720,187 | 178 | N/A | N/A | N/A |
| 37 | Grampian Growers LIMITED | Unitedkingdom | Montrose | Logie | Angus | DD10 9LD | grampiangrowers.***** | 1981 | $21,392,581 | 45 | N/A | N/A | N/A |
| 38 | Nicholson Nurseries LIMITED | Unitedkingdom | Duns Tew | The Park | Oxfordshire | OX25 6HL | nicholsonsgb.***** | 1979 | $21,371,476 | 195 | N/A | N/A | N/A |
| 39 | New Nicholsons LIMITED | Unitedkingdom | Duns Tew | The Park | Oxfordshire | OX25 6HL | nicholsonsgb.***** | 2022 | $21,371,476 | 195 | N/A | N/A | N/A |
| 40 | Places For People Landscapes LIMITED | Unitedkingdom | Saint Giles | 305 Gray'S Inn Road | London | WC1X 8QR | placesforpeople.***** | 1986 | $21,335,025 | 230 | N/A | N/A | N/A |
| 41 | Camgrain Stores LIMITED | Unitedkingdom | Shudy Camps | London Road | Cambridgeshire | CB21 4HH | camgrain.***** | 1995 | $20,766,582 | 98 | N/A | N/A | N/A |
| 42 | Wright Landscapes LIMITED | Unitedkingdom | Worthington Lodge | Douglas House | Manchester, Greater Manchester | WN3 4DQ | wrightlandscapes.***** | 1992 | $20,334,799 | 70 | N/A | N/A | N/A |
| 43 | Stewart Landscapes (contracts) LIMITED | Unitedkingdom | Carmunnock | Pedmyre Lane | Glasgow City | G76 9EL | stewartlandscapes.***** | 1979 | $20,326,295 | 110 | N/A | N/A | N/A |
| 44 | Birch Utility Services LIMITED | Unitedkingdom | Newton Abbot | Unit A 1 Battle Road | Devon | TQ12 6RY | birchutilityservices.***** | 2009 | $19,595,521 | 221 | N/A | N/A | N/A |
| 45 | Kingston Landscape Group LIMITED | Unitedkingdom | Egham | Barons Court | Surrey | TW20 9AB | klguk.***** | 2002 | $19,389,855 | 80 | N/A | N/A | N/A |
| 46 | Archway Green LTD | Unitedkingdom | Oving | York House | West Sussex | PO20 2FR | archwaygreen.***** | 2018 | $19,272,637 | 124 | N/A | N/A | N/A |
| 47 | Greenthumb LIMITED | Unitedkingdom | St. Asaph | Integra, St Asaph Business Park | Clwyd | LL17 0JD | greenthumb.***** | 1997 | $19,271,010 | 240 | N/A | N/A | N/A |
| 48 | Zenith Nurseries LIMITED | Unitedkingdom | Evesham | Zenith Nurseries | Worcestershire | WR11 8LW | zenithnurseries.***** | 2006 | $19,092,058 | 109 | N/A | N/A | N/A |
| 49 | Bioline Agrosciences LIMITED | Unitedkingdom | Weeley Heath | Telstar Nurseries | Essex | CO16 9QG | syngenta.***** | 1988 | $18,254,080 | 115 | N/A | N/A | N/A |
| 50 | Ashlea LIMITED | Unitedkingdom | Saint Helens | Unit 5 | Saint Helens, Merseyside | WA11 9SZ | ashlea-landscaping.***** | 1945 | $18,123,627 | 140 | N/A | N/A | N/A |
| 51 | Frank Johnston (tractors) LIMITED | Unitedkingdom | Durranhill | Johnston Tractors Ltd | Cumbria | CA1 2RW | johnstontractors.***** | 1977 | $17,925,384 | 28 | N/A | N/A | N/A |
| 52 | Lowther Forestry Group LIMITED | Unitedkingdom | Yanwath | Lonsdale Settled Estate Ltd | Cumbria | CA10 2HH | lowther-forestry.***** | 1901 | $17,232,439 | 125 | N/A | N/A | N/A |
| 53 | Freeland Horticulture LIMITED | Unitedkingdom | Swanley | Rosedale | Kent | BR8 7LT | yell.***** | 2000 | $16,987,690 | 72 | N/A | N/A | N/A |
| 54 | Valley Provincial LTD | Unitedkingdom | Hawley | Chalcraft Nurseries | Kent | DA2 7SE | valleyprovincial.***** | 2022 | $16,945,791 | 62 | N/A | N/A | N/A |
| 55 | Harrowden Turf LIMITED | Unitedkingdom | Kettering | Colpmans Farmhouse | Northamptonshire | NN14 3LT | turfonline.***** | 2014 | $16,847,959 | 44 | N/A | N/A | N/A |
| 56 | Dunlin LIMITED | Unitedkingdom | Towcester | West Lodge | Northamptonshire | NN12 7QX | N/A | 1987 | $16,076,191 | 29 | N/A | N/A | N/A |
| 57 | Gc Lakemeadows LIMITED | Unitedkingdom | Billericay | Kingfisher House Radford Way | Essex | CM12 0EQ | N/A | 2011 | $15,982,480 | 16 | N/A | N/A | N/A |
| 58 | T.C.L. Holdings (midco) LIMITED | Unitedkingdom | Aldermans Green | Octavia House | Coventry, West Midlands | CV4 8JP | N/A | 2014 | $15,788,232 | 30 | N/A | N/A | N/A |
| 59 | The F.A. Bartlett Tree Expert Company LIMITED | Unitedkingdom | Radlett | Grain Store | Hertfordshire | AL4 0PD | bartlettuk.***** | 1993 | $15,689,123 | 127 | N/A | N/A | N/A |
| 60 | Island Landscapes LIMITED | Unitedkingdom | Langenhoe | Rose Inn Nurseries | Essex | CO5 7QG | islandlandscapes.***** | 1994 | $15,560,843 | 21 | N/A | N/A | N/A |
| 61 | Frontier | Unitedkingdom | Driffield | Beverley Road | East Riding of Yorkshire | YO25 9PF | frontierag.***** | 2011 | $15,125,618 | 300 | N/A | N/A | N/A |
| 62 | Landscaping Centre LIMITED | Unitedkingdom | Ballyclare | 181b Templepatrick Road | Antrim and Newtownabbey | BT39 0RA | idverde.***** | 1997 | $14,996,181 | 146 | N/A | N/A | N/A |
| 63 | Gillespies Llp | Unitedkingdom | Wootton | The Coach House Bagley Croft | Oxfordshire | OX1 5BS | gillespies.***** | 2003 | $14,789,267 | 122 | N/A | N/A | N/A |
| 64 | Clive Richardson LIMITED | Unitedkingdom | Ballynarry | 54 Derrycoose Road | Armagh, Banbridge and Craigavon | BT62 1LY | cliverichardsonltd.***** | 1977 | $14,601,703 | 95 | N/A | N/A | N/A |
| 65 | Springbridge Direct LIMITED | Unitedkingdom | Harmondsworth | 24 Oxford Road | London | UB9 4DF | springbridge.***** | 2009 | $14,424,724 | 47 | N/A | N/A | N/A |
| 66 | Philip Liverton LIMITED | Unitedkingdom | Langenhoe | 30 Harwich Road | Essex | CO7 7LS | livertonltd.***** | 2006 | $14,407,955 | 28 | N/A | N/A | N/A |
| 67 | Interagro (UK) LIMITED | Unitedkingdom | Impington | Unit 6 Pioneer Court | Cambridgeshire | CB24 9PT | interagro.***** | 1993 | $14,093,294 | 13 | N/A | N/A | N/A |
| 68 | Carrier Landscapes LIMITED | Unitedkingdom | Little Belvoir | Station Road | Leicestershire | LE14 3BQ | carrierlandscapes.***** | 2000 | $13,913,917 | 122 | N/A | N/A | N/A |
| 69 | Big Bale Company (south) LIMITED | Unitedkingdom | Corhampton | Church House Farm | Hampshire | SO32 2LN | bigbale.***** | 1990 | $13,663,795 | 18 | N/A | N/A | N/A |
| 70 | Oakleaf Farm LTD | Unitedkingdom | Walter'S Ash | Oakleaf Farm | Buckinghamshire | HP14 4LY | countrysupplies.***** | 2009 | $13,614,383 | 128 | N/A | N/A | N/A |
| 71 | Woodhorn Group LIMITED | Unitedkingdom | Oving | Unit 6 Woodhorn Farm | West Sussex | PO20 2BX | earthcycle.***** | 1998 | $13,346,581 | 36 | N/A | N/A | N/A |
| 72 | Middleton Aggregates LIMITED | Unitedkingdom | Snettisham | Mill Drove | Norfolk | PE32 1SW | middaggs.***** | 1986 | $13,055,486 | 104 | N/A | N/A | N/A |
| 73 | M Large Tree Services LIMITED | Unitedkingdom | Newtownabbey | 74 Church Road | Antrim and Newtownabbey | BT36 7LN | mlarge.***** | 1992 | $12,882,553 | 29 | N/A | N/A | N/A |
| 74 | Tillers Turf Company LIMITED | Unitedkingdom | Langford | Springwood Farm | Nottinghamshire | NG23 7BY | tillersturf.***** | 1989 | $12,687,037 | 32 | N/A | N/A | N/A |
| 75 | Haemmerlin LIMITED | Unitedkingdom | Walsall | Bescot Crescent | Walsall, West Midlands | WS1 4NX | haemmerlin.***** | 1985 | $12,600,552 | 35 | N/A | N/A | N/A |
| 76 | Scotbark Llp | Unitedkingdom | Haugh | 41 Culduthel Road | Highland | IV2 4AT | scotbarkuk.***** | 2015 | $12,365,679 | 15 | N/A | N/A | N/A |
| 77 | Bury Hill Landscape Supplies LIMITED | Unitedkingdom | Pride Park | 5 Prospect Place | Derby | DE24 8HG | buryhilllandscapesupplies.***** | 2011 | $12,306,847 | 31 | N/A | N/A | N/A |
| 78 | Optimised Environments LIMITED | Unitedkingdom | Abbeyhill | The Tun | City of Edinburgh | EH8 8PJ | optimisedenvironments.***** | 2009 | $12,229,946 | 59 | N/A | N/A | N/A |
| 79 | Greenmech LIMITED | Unitedkingdom | Alcester | Mill House | Warwickshire | B49 5QG | greenmech.***** | 1993 | $12,188,002 | 98 | N/A | N/A | N/A |
| 80 | W. L. Straughan & Son LIMITED | Unitedkingdom | Bedlington | Bedlington Lane Farm | Northumberland | NE22 6AA | wlstraughan.***** | 1902 | $11,587,981 | 59 | N/A | N/A | N/A |
| 81 | T. & N. Gilmartin (contractors) LIMITED | Unitedkingdom | Cupar | Mont View House | Fife | KY15 4PG | tngilmartin.***** | 1987 | $11,558,890 | 94 | N/A | N/A | N/A |
| 82 | Quadron Services LIMITED | Unitedkingdom | Aldermans Green | Octavia House | Coventry, West Midlands | CV4 8JP | idverde.***** | 1993 | $11,516,771 | 63 | N/A | N/A | N/A |
| 83 | Ggm Group LTD | Unitedkingdom | Colne | Regent Yard | Lancashire | BB8 8LJ | ggmgroundscare.***** | 1999 | $11,470,034 | 47 | N/A | N/A | N/A |
| 84 | D R & E G Davies LIMITED | Unitedkingdom | Llantwit Major | Rosedew Farm | The Vale of Glamorgan | CF61 1PZ | rosedewfarm.***** | 2008 | $11,385,244 | 18 | N/A | N/A | N/A |
| 85 | Hermitage AI LTD | Unitedkingdom | Okehampton | 7c Cranmere Road | Devon | EX20 1UE | pichermitage.***** | 2001 | $11,192,379 | 18 | N/A | N/A | N/A |
| 86 | Acorn Environmental Management Group LIMITED | Unitedkingdom | Church Hill North | Wire Rope House | Worcestershire | B98 9HF | acorn-grp.***** | 1995 | $11,114,894 | 76 | N/A | N/A | N/A |
| 87 | Nigel Dunnett Studio LTD | Unitedkingdom | High Bradfield | Bramble Wood Cottage | Sheffield, South Yorkshire | S6 6HX | N/A | 2013 | $11,041,702 | 219 | N/A | N/A | N/A |
| 88 | County Turf LIMITED | Unitedkingdom | Scunthorpe | Low Santon Farm | North Lincolnshire | DN15 0DF | countyturf.***** | 1995 | $11,028,960 | 35 | N/A | N/A | N/A |
| 89 | Tony Benger Landscaping LIMITED | Unitedkingdom | Axminster | Burrow Farm | Devon | EX13 7ET | tonybenger.***** | 2001 | $10,845,415 | 130 | N/A | N/A | N/A |
| 90 | Silostop Agri LIMITED | Unitedkingdom | Whitechapel | 2 Leman Street | London | E1 8FA | silostop.***** | 1938 | $10,659,415 | 18 | N/A | N/A | N/A |
| 91 | Afan Landscapes LIMITED | Unitedkingdom | Port Talbot | Water Street | Neath Port Talbot | SA13 2PA | afanlandscapes.***** | 1973 | $10,618,559 | 62 | N/A | N/A | N/A |
| 92 | Eurofast (holdings) LIMITED | Unitedkingdom | Worcester | Sankyns Green | Worcestershire | WR6 6LQ | N/A | 2001 | $10,567,466 | 35 | N/A | N/A | N/A |
| 93 | P J Chaffin LIMITED | Unitedkingdom | Polegate | Chapter House Priesthawes Farm | East Sussex | BN26 6QU | chaffinfencing.***** | 1984 | $10,553,053 | 72 | N/A | N/A | N/A |
| 94 | Stoughton Tree Care LIMITED | Unitedkingdom | Wood Street | 1 Caxton Gardens | Surrey | GU2 8AX | stoughtontreecare.***** | 2013 | $10,462,992 | 58 | N/A | N/A | N/A |
| 95 | Smerdon Tree Services (sts) LIMITED | Unitedkingdom | Treharris | Commercial Street | Merthyr Tydfil | CF46 6RF | smerdons.***** | 2005 | $10,363,058 | 25 | N/A | N/A | N/A |
| 96 | Gsu Landscapes LIMITED | Unitedkingdom | New Longton | Penwortham Way | Lancashire | PR4 4LF | gsulandscapes.***** | 2002 | $10,355,333 | 61 | N/A | N/A | N/A |
| 97 | Fgs Organics LIMITED | Unitedkingdom | Ashford | Stanford Bridge House | Kent | TN27 0RU | fgsorganics.***** | 2006 | $10,348,739 | 90 | N/A | N/A | N/A |
| 98 | Seasonal Trading LIMITED | Unitedkingdom | Hartwell | Hartwell Nurseries | Buckinghamshire | HP17 8RZ | N/A | 2004 | $10,146,922 | 50 | N/A | N/A | N/A |
| 99 | Turfgrass Services International LIMITED | Unitedkingdom | Fangfoss | The Chestnuts | East Riding of Yorkshire | YO41 5NT | inturf.***** | 1989 | $10,064,340 | 31 | N/A | N/A | N/A |
| 100 | Threeshires LIMITED | Unitedkingdom | Goadby Marwood | Piper Hole Farm | Leicestershire | LE14 4SS | threeshires.***** | 1995 | $10,053,991 | 72 | N/A | N/A | N/A |