| 1 | Zen-Noh | Unitedkingdom | Marylebone | 23 Conduit Street | London | W1S 2XS | N/A | 2014 | $81,706,371,631 | 11 | N/A | N/A | N/A |
| 2 | Kuwait Petroleum CORPORATION | Unitedkingdom | London | K P C House | London | SW1Y 5JH | kpc.***** | 1981 | $64,620,253,530 | 5 | N/A | N/A | N/A |
| 3 | Tyson International Service Center, INC. Europe | Unitedkingdom | Chiswick | Building 3 | London | W4 5YA | tyson.***** | 1990 | $47,049,000,000 | 3 | N/A | N/A | N/A |
| 4 | Unipec U.K. CO. LIMITED | Unitedkingdom | Moorgate | 13-15 Moorgate | London | EC2R 6AD | unipec.***** | 1995 | $37,613,954,000 | 221 | N/A | N/A | N/A |
| 5 | Eni Trading & Shipping S.P.A. | Unitedkingdom | London | 123 Buckingham Palace Road | London | SW1W 9SL | eni.***** | 2008 | $33,932,503,747 | 325 | N/A | N/A | N/A |
| 6 | Ferguson (jersey) LIMITED | Unitedkingdom | Sindlesham | 1020 Eskdale Road | Wokingham | RG41 5TS | N/A | 2019 | $29,734,000,000 | 29,538 | N/A | N/A | N/A |
| 7 | Ferguson Holdings LIMITED | Unitedkingdom | Saint Helier | 13 Castle Street | Saint Helier | JE1 1ES | wolseley.***** | 2010 | $28,566,000,000 | 34,637 | N/A | N/A | N/A |
| 8 | Greenergy Fuels Holdings LIMITED | Unitedkingdom | Moorgate | 198 High Holborn | London | WC1V 7BD | greenergy.***** | 2010 | $19,681,710,008 | 1,722 | N/A | N/A | N/A |
| 9 | Chevron Products UK LIMITED | Unitedkingdom | Stepney | 5th Floor | London | E14 4HA | chevron.***** | 1998 | $19,323,577,780 | 270 | N/A | N/A | N/A |
| 10 | Sinochem International Oil (london) CO., LTD. | Unitedkingdom | Herne Hill | Westminster Tower | London | SE1 7SP | sinochem.***** | 1990 | $18,661,280,000 | 224 | N/A | N/A | N/A |
| 11 | Greenergy Fuels LIMITED | Unitedkingdom | Marylebone | Ilona Rose House | London | W1D 4AL | greenergy.***** | 2000 | $18,219,545,307 | 156 | N/A | N/A | N/A |
| 12 | Toray Industries INC. | Unitedkingdom | Marylebone | 7 Old Park Lane | London | W1K 1QR | toray.***** | 1989 | $17,189,355,680 | 46 | N/A | N/A | N/A |
| 13 | Ineos Technologies LIMITED | Unitedkingdom | Runcorn | Po Box 9 | Halton | WA7 4JE | N/A | 2000 | $17,110,162,188 | 9,123 | N/A | N/A | N/A |
| 14 | Hanwa CO., LIMITED | Unitedkingdom | Marylebone | 51-55 Strand | London | WC2N 5LS | hanwa.***** | 1977 | $16,062,215,000 | 12 | N/A | N/A | N/A |
| 15 | Stadtwerke Munchen GMBH | Unitedkingdom | Moorgate | 5th Floor | London | EC4A 3AE | N/A | 2013 | $12,080,132,782 | 10,166 | N/A | N/A | N/A |
| 16 | Alliance Healthcare (distribution) LIMITED | Unitedkingdom | Chessington | 43 Cox Lane | London | KT9 1SN | alliance-healthcare.***** | 1997 | $8,786,479,600 | 623 | N/A | N/A | N/A |
| 17 | Viiv Healthcare Trading Services UK LIMITED | Unitedkingdom | Brentford | G S K House | London | TW8 9GS | viivhealthcare.***** | 2009 | $7,690,730,056 | 293 | N/A | N/A | N/A |
| 18 | Costco UK Holdings LIMITED | Unitedkingdom | Aldenham | Hartspring Lane | Hertfordshire | WD25 8JS | costco.***** | 2000 | $7,030,181,422 | 8,654 | N/A | N/A | N/A |
| 19 | Costco Wholesale UK LIMITED | Unitedkingdom | Aldenham | 213 Hartspring Lane | Hertfordshire | WD25 8JS | costco.***** | 1995 | $6,713,915,794 | 8,524 | N/A | N/A | N/A |
| 20 | Exxonmobil Gas Marketing Europe LIMITED | Unitedkingdom | Leatherhead | Ermyn House | Surrey | KT22 8UX | exxonmobil.***** | 1990 | $6,560,254,350 | 3 | N/A | N/A | N/A |
| 21 | Sysco Gb LIMITED | Unitedkingdom | Ashford | Enterprise House | Kent | TN25 4AG | brake.***** | 1986 | $6,509,643,703 | 15,257 | N/A | N/A | N/A |
| 22 | Oshkosh Defense, LLC | Unitedkingdom | Pye Corner | Argentum House | South Gloucestershire | BS16 1EJ | N/A | 2004 | $6,098,100,000 | 18 | N/A | N/A | N/A |
| 23 | Travis Perkins PLC | Unitedkingdom | King'S Heath | Ryehill House, Rye Hill Close | Northamptonshire | NN5 7UA | travisperkinsplc.***** | 1964 | $5,840,718,047 | 17,594 | N/A | N/A | N/A |
| 24 | Radius LIMITED | Unitedkingdom | Crewe Hall | Euro Card Centre | Cheshire East | CW1 6EG | ukfuels.***** | 2012 | $5,704,653,945 | 2,751 | N/A | N/A | N/A |
| 25 | Motor Fuel LIMITED | Unitedkingdom | Saint Albans | 10 Bricket Road | Hertfordshire | AL1 3JX | mfgplc.***** | 2004 | $5,579,489,284 | 250 | N/A | N/A | N/A |
| 26 | Future Communications (UK) LTD | Unitedkingdom | Saint Giles | C/o Chantrey Vellacott Dfk | London | WC1B 5LF | manaracom.***** | 2002 | $5,300,837,812 | 35 | N/A | N/A | N/A |
| 27 | Hoya CORPORATION | Unitedkingdom | Ealing | Hoya Corporation Europe Branch, Saunders House 52-53 | London | W5 3TA | hoya-europe.***** | 1994 | $5,234,979,000 | 5 | N/A | N/A | N/A |
| 28 | European Metal Recycling LIMITED | Unitedkingdom | Wright'S Green | Sirius House | Warrington | WA5 7NS | uk.***** | 1994 | $5,145,283,680 | 3,730 | N/A | N/A | N/A |
| 29 | A.I.A. S.P.A. | Unitedkingdom | Moorgate | Unit 702 | London | EC2M 5QQ | N/A | 2019 | $5,122,140,244 | 687 | N/A | N/A | N/A |
| 30 | Haleon UK Trading Services LIMITED | Unitedkingdom | Weybridge | The Heights Building 5 | Surrey | KT13 0NY | N/A | 1715 | $4,940,969,338 | 1,346 | N/A | N/A | N/A |
| 31 | Certas Energy UK LIMITED | Unitedkingdom | Hollinfare | 1st Floor Allday House | Warrington | WA3 6GR | certasenergy.***** | 2001 | $4,922,465,301 | 2,201 | N/A | N/A | N/A |
| 32 | Westcoast LIMITED | Unitedkingdom | Padworth | Arrowhead Road Arrowhead Park | West Berkshire | RG7 4AH | westcoast.***** | 1984 | $4,226,658,420 | 896 | N/A | N/A | N/A |
| 33 | 3349135 LTD | Unitedkingdom | Rotherhithe | C/o Liberty Speciality Steels | London | SE1 2RE | N/A | 1997 | $4,224,006,395 | 13 | N/A | N/A | N/A |
| 34 | Ocean Partners Holdings LIMITED | Unitedkingdom | Maidenhead | 30-36 King Street | Windsor and Maidenhead | SL6 1EF | oceanpartners.***** | 2004 | $4,136,054,000 | 129 | N/A | N/A | N/A |
| 35 | Kaz Minerals Sales LIMITED | Unitedkingdom | London | 7th Floor | London | SW1H 0HW | kazminerals.***** | 1907 | $3,980,000,000 | 106 | N/A | N/A | N/A |
| 36 | Aah Pharmaceuticals LIMITED | Unitedkingdom | Warwick | The Woods | Warwickshire | CV34 5AH | N/A | 1912 | $3,915,221,395 | 2,831 | N/A | N/A | N/A |
| 37 | Dell CORPORATION LIMITED | Unitedkingdom | City of London | 2nd Floor One Creechurch Place | London | EC3A 5AF | N/A | 1986 | $3,826,147,556 | 1,923 | N/A | N/A | N/A |
| 38 | Prax Petroleum LIMITED | Unitedkingdom | Weybridge | Harvest House,horizon Business Village | Surrey | KT13 0TJ | praxpetroleum.***** | 2002 | $3,543,958,453 | 2 | N/A | N/A | N/A |
| 39 | E D & F Man Sugar LIMITED | Unitedkingdom | Eltham | Floor 1, Chadwick Court | London | SE1 8DJ | edfman.***** | 1783 | $3,358,138,000 | 205 | N/A | N/A | N/A |
| 40 | The Shell Company Of Thailand LIMITED | Unitedkingdom | Herne Hill | Shell Centre | London | SE1 7NA | shell.***** | 1913 | $3,315,552,268 | 467 | N/A | N/A | N/A |
| 41 | UK Fuels LIMITED | Unitedkingdom | Crewe Hall | Euro Card Centre | Cheshire East | CW1 6EG | ukfuels.***** | 1990 | $3,177,487,171 | 989 | N/A | N/A | N/A |
| 42 | Cranswick Country Foods PLC | Unitedkingdom | Eppleworth | Crane Court, Hesslewood Country Office Park | East Riding of Yorkshire | HU13 0PA | cranswick.***** | 1984 | $3,124,294,108 | 10,151 | N/A | N/A | N/A |
| 43 | Petroineos Fuels LIMITED | Unitedkingdom | Marylebone | The Adelphi 1-11 | London | WC2N 6HT | N/A | 2009 | $2,993,800,000 | 65 | N/A | N/A | N/A |
| 44 | Bfs Group LIMITED | Unitedkingdom | Slough | 814 Leigh Road | Slough | SL1 4BD | bidfood.***** | 1929 | $2,981,865,468 | 4,019 | N/A | N/A | N/A |
| 45 | Ocean Partners UK LIMITED | Unitedkingdom | Maidenhead | The Pearce Building | Windsor and Maidenhead | SL6 1RL | oceanpartners.***** | 2004 | $2,804,327,000 | 54 | N/A | N/A | N/A |
| 46 | Engie Power LIMITED | Unitedkingdom | New Wortley | No. 1 Leeds | Leeds, West Yorkshire | LS12 1BE | engie.***** | 2001 | $2,780,350,261 | 368 | N/A | N/A | N/A |
| 47 | Sk Energy Europe LIMITED | Unitedkingdom | Marylebone | 175-179 Oxford Street | London | W1D 2JS | N/A | 2001 | $2,770,666,000 | 5 | N/A | N/A | N/A |
| 48 | Concord Resources LIMITED | Unitedkingdom | London | 8th Floor, 3 St James S Square | London | SW1Y 4JU | concordltd.***** | 2015 | $2,765,616,000 | 53 | N/A | N/A | N/A |
| 49 | Ptt International Trading London LTD | Unitedkingdom | London | 3rd Floor | London | SW1Y 4AL | bioss.***** | 2016 | $2,721,117,991 | 13 | N/A | N/A | N/A |
| 50 | Yazaki Europe LIMITED | Unitedkingdom | Laindon | Beechwood House | Essex | SS15 6EF | N/A | 1980 | $2,673,473,616 | 1,478 | N/A | N/A | N/A |
| 51 | Stark Building Materials UK LIMITED | Unitedkingdom | Binley | Binley Business Park | Coventry, West Midlands | CV3 2TT | jewson.***** | 1982 | $2,622,673,909 | 7,671 | N/A | N/A | N/A |
| 52 | Gyxis CORPORATION | Unitedkingdom | Moorgate | Vinters Place | London | EC4V 3BJ | N/A | 2016 | $2,557,902,467 | 8 | N/A | N/A | N/A |
| 53 | Dl Hudson LIMITED | Unitedkingdom | Marylebone | 120 New Cavendish Street | London | W1W 6XX | dl-hudson.***** | 2016 | $2,542,386,000 | 35 | N/A | N/A | N/A |
| 54 | Private Oil Holdings Oman LIMITED | Unitedkingdom | Herne Hill | 8 York Rd | London | SE1 7NA | N/A | 1937 | $2,485,149,000 | 194 | N/A | N/A | N/A |
| 55 | Phoenix Healthcare Distribution LIMITED | Unitedkingdom | Runcorn | Rivington Road Whitehouse Industrial Estate | Halton | WA7 3DJ | myp-i-n.***** | 1913 | $2,414,108,960 | 1,596 | N/A | N/A | N/A |
| 56 | Lidl UK Trading LIMITED | Unitedkingdom | West Wimbledon | 19 Worple Road | London | SW19 4JS | lidlcareers.***** | 2019 | $2,363,534,096 | 237 | N/A | N/A | N/A |
| 57 | Western Digital (UK) LIMITED | Unitedkingdom | Leatherhead | Hamilton House Regent Park | Surrey | KT22 7PL | westerndigital.***** | 1984 | $2,299,977,000 | 219 | N/A | N/A | N/A |
| 58 | World Fuel Services Europe, LTD. | Unitedkingdom | London | 28th Floor One Canada Square | London | E14 5AA | N/A | 1984 | $2,299,460,000 | 347 | N/A | N/A | N/A |
| 59 | Kuwait Petroleum International Aviation Company (U.K.) LIMITED | Unitedkingdom | Sheerwater | Dukes Court | Surrey | GU21 5BH | q8aviation.***** | 1983 | $2,284,921,000 | 3 | N/A | N/A | N/A |
| 60 | Wolseley UK LIMITED | Unitedkingdom | Leamington Spa | 2 Kingmaker Court | Warwickshire | CV34 6DY | wolseley.***** | 1887 | $2,274,817,737 | 4,712 | N/A | N/A | N/A |
| 61 | Td Synnex UK LIMITED | Unitedkingdom | Lychpit | Maplewood, Crockford Lane | Hampshire | RG24 8YB | techdata.***** | 1983 | $2,205,064,090 | 1,235 | N/A | N/A | N/A |
| 62 | Edmundson Electrical LIMITED | Unitedkingdom | Knutsford | Edmundson House | Cheshire East | WA16 6AY | lockwell.***** | 1991 | $2,182,834,251 | 3,684 | N/A | N/A | N/A |
| 63 | Japan Petroleum Exploration Co.,ltd. | Unitedkingdom | Aberdeen | One Marischal Square Centre 5083 | Aberdeen City | AB10 1BL | N/A | 1990 | $2,165,359,635 | 1,641 | N/A | N/A | N/A |
| 64 | Weston Importers LTD. | Unitedkingdom | Huntingdon | Unit 10b, Aspen House | Cambridgeshire | PE29 6SR | westonimporters.***** | 2006 | $2,161,968,000 | 279 | N/A | N/A | N/A |
| 65 | Astellas Pharma Europe LTD. | Unitedkingdom | Addlestone | 300 Dashwood Lang Road | Surrey | KT15 2NX | astellas.***** | 1990 | $2,127,419,302 | 481 | N/A | N/A | N/A |
| 66 | Bestway Wholesale LIMITED | Unitedkingdom | Harlesden | 2 Abbey Road | London | NW10 7BW | stores.***** | 1976 | $2,081,720,192 | 3,078 | N/A | N/A | N/A |
| 67 | Wfl (UK) LIMITED | Unitedkingdom | Chippenham | Watson Fuels, Callow Park | Wiltshire | SN15 5FD | watsonfuels.***** | 1957 | $2,012,967,596 | 630 | N/A | N/A | N/A |
| 68 | Holbud LIMITED | Unitedkingdom | Saint Giles | 61 Charlotte Street | London | W1T 4PF | holbud.***** | 1977 | $1,998,411,092 | 31 | N/A | N/A | N/A |
| 69 | W.& R. Barnett, LIMITED | Unitedkingdom | Belfast | Clarendon House | Belfast | BT1 3BG | wrbarnett.***** | 1896 | $1,988,190,955 | 1,806 | N/A | N/A | N/A |
| 70 | L'oreal (U.K.) LIMITED | Unitedkingdom | Shepherd'S Bush | Gateway Central | London | W12 7SA | N/A | 1932 | $1,976,062,702 | 3,451 | N/A | N/A | N/A |
| 71 | Unilever U.K. Central Resources LIMITED | Unitedkingdom | Moorgate | Unilever House | London | EC4Y 0DY | unilever.***** | 1882 | $1,970,431,755 | 2,841 | N/A | N/A | N/A |
| 72 | Volvo Group UK LIMITED | Unitedkingdom | Warwick | Wedgnock Industrial Estate Wedgnock Lane | Warwickshire | CV34 5YA | volvo.***** | 1987 | $1,942,010,228 | 1,278 | N/A | N/A | N/A |
| 73 | Corona Gas Management LIMITED | Unitedkingdom | Watford | Edward Hyde House | Hertfordshire | WD17 1JW | coronaenergy.***** | 1993 | $1,864,371,948 | 3 | N/A | N/A | N/A |
| 74 | Breedon Group LIMITED | Unitedkingdom | Melbourne | Pinnacle House | Derbyshire | DE73 8AP | breedongroup.***** | 2007 | $1,854,072,063 | 3,897 | N/A | N/A | N/A |
| 75 | Alliance Automotive Procurement LIMITED | Unitedkingdom | Moorgate | 90 Chancery Lane | London | WC2A 1EU | allianceautomotivegroup.***** | 1989 | $1,826,202,105 | 330 | N/A | N/A | N/A |
| 76 | Coopervision International LIMITED | Unitedkingdom | Anthill Common | Delta Park, Concorde Way | Hampshire | PO15 5RL | onebrightvision.***** | 2019 | $1,799,000,000 | 547 | N/A | N/A | N/A |
| 77 | Motus Group (UK) LIMITED | Unitedkingdom | Raf Daws Hill | Oakingham House Ground Floor West Wing | Buckinghamshire | HP11 1JU | motusuk.***** | 1960 | $1,783,623,808 | 2,934 | N/A | N/A | N/A |
| 78 | Engelhard Metals GMBH | Unitedkingdom | Moorgate | 63 St. Mary Axe | London | EC3A 8LE | engelhard.***** | 1983 | $1,747,443,275 | 90 | N/A | N/A | N/A |
| 79 | Dhamecha Foods LIMITED | Unitedkingdom | Brent | Wembley Stadium Industrial Estate | London | HA9 0TU | dhamecha.***** | 1974 | $1,709,215,851 | 979 | N/A | N/A | N/A |
| 80 | Kpi Oceanconnect UK LTD | Unitedkingdom | Moorgate | 108 Cannon Street | London | EC4N 6EU | N/A | 2017 | $1,689,030,507 | 63 | N/A | N/A | N/A |
| 81 | Adm Agriculture LIMITED | Unitedkingdom | Gainsborough | Lindsey House | Lincolnshire | DN21 5TH | adm-agri.***** | 1967 | $1,676,548,430 | 301 | N/A | N/A | N/A |
| 82 | Midwich Group PLC | Unitedkingdom | Diss | Vinces Road | Norfolk | IP22 4YT | midwich.***** | 2013 | $1,669,553,674 | 1,939 | N/A | N/A | N/A |
| 83 | Co-Op Wholesale LIMITED | Unitedkingdom | Coleby | Partner Support Centre,waldo Way | North Lincolnshire | DN15 9GE | nisaretail.***** | 1977 | $1,666,706,208 | 310 | N/A | N/A | N/A |
| 84 | Future Electronics LIMITED | Unitedkingdom | Egham | Future House | Surrey | TW20 9AH | futureelectronics.***** | 1968 | $1,625,903,411 | 361 | N/A | N/A | N/A |
| 85 | Cefetra LIMITED | Unitedkingdom | Howwood | The Lightyear Building | Renfrewshire | PA3 2SJ | cefetra.***** | 1778 | $1,622,504,382 | 340 | N/A | N/A | N/A |
| 86 | Kaz Minerals LIMITED | Unitedkingdom | London | 7th Floor | London | SW1H 0HW | kazminerals.***** | 2004 | $1,582,000,000 | 182 | N/A | N/A | N/A |
| 87 | Lcc Group LIMITED | Unitedkingdom | Cookstown | Cookstown Co | Mid Ulster | BT80 9XD | lccoil.***** | 1987 | $1,581,760,298 | 244 | N/A | N/A | N/A |
| 88 | City Plumbing Supplies Holdings LIMITED | Unitedkingdom | Watford | Highbourne House | Northamptonshire | NN6 7SL | cityplumbing.***** | 1990 | $1,516,147,672 | 2,782 | N/A | N/A | N/A |
| 89 | Harriet Holdings LIMITED | Unitedkingdom | Knowlesands | Long Acres Industrial Estate | Shropshire | WV13 2JP | N/A | 2019 | $1,495,794,983 | 7,007 | N/A | N/A | N/A |
| 90 | A.f.blakemore And Son LIMITED | Unitedkingdom | Willenhall | Longacres Industrial Estate | Walsall, West Midlands | WV13 2JP | afblakemore.***** | 1917 | $1,495,794,983 | 7,007 | N/A | N/A | N/A |
| 91 | Taihan Cable & Solution CO., LTD. | Unitedkingdom | Richmond | Parkshot House | London | TW9 7PR | N/A | 2017 | $1,430,770,207 | 6 | N/A | N/A | N/A |
| 92 | Smiths News Trading LIMITED | Unitedkingdom | Kembrey Park | Rowan House | Swindon | SN2 8UH | smithsnews.***** | 1792 | $1,413,698,583 | 1,415 | N/A | N/A | N/A |
| 93 | Cummins-Allison LIMITED | Unitedkingdom | Coventry | William H Klotz House | Coventry, West Midlands | CV6 4BU | cumminsallison.***** | 1983 | $1,391,300,000 | 4,000 | N/A | N/A | N/A |
| 94 | Biantrade Llp | Unitedkingdom | Stepney | R103 Universal House | London | E1 7SA | N/A | 2011 | $1,370,949,824 | 4 | N/A | N/A | N/A |
| 95 | Vivo Energy Namibia LIMITED | Unitedkingdom | London | 4th Floor Nova South | London | SW1E 5LB | N/A | 1912 | $1,360,339,000 | 85 | N/A | N/A | N/A |
| 96 | Bp Exploration (caspian Sea) LIMITED | Unitedkingdom | London | 1 St. James'S Square | London | SW1Y 4PD | bp.***** | 1946 | $1,343,958,000 | 2,601 | N/A | N/A | N/A |
| 97 | Makro Self Service Wholesalers LIMITED | Unitedkingdom | Barton Moss | Liverpool Road | Manchester, Greater Manchester | M30 7RT | store.***** | 1971 | $1,276,119,226 | 1,645 | N/A | N/A | N/A |
| 98 | Fuel Card Services LIMITED | Unitedkingdom | West Park | Alexandra House | Leeds, West Yorkshire | LS16 6QY | fuelcardservices.***** | 1987 | $1,260,691,718 | 295 | N/A | N/A | N/A |
| 99 | Andrew Marr International LIMITED | Unitedkingdom | Hessle | Livingstone Road | East Riding of Yorkshire | HU13 0EE | marsea.***** | 1986 | $1,231,419,672 | 306 | N/A | N/A | N/A |
| 100 | Mitsubishi CORPORATION International (europe) PLC | Unitedkingdom | City of London | Mid City Place | London | WC1V 6BA | mitsubishicorp.***** | 1988 | $1,220,792,137 | 74 | N/A | N/A | N/A |