| 1.London General Transport Services Limited | London | 1 | 2,507 |
| 2.Veolia Es (UK) Limited | London | 1 | 1,575 |
| 3.Metroline Travel Ltd | London | 1 | 1,123 |
| 4.Arriva London North Limited | London | 1 | 1,112 |
| 5.Royal Mail Group Ltd | Rochester | 1 | 1,016 |
| 6.Wincanton Holdings Limited | London | 1 | 961 |
| 7.London United Busways Ltd | Twickenham | 1 | 950 |
| 8.East London Bus & Coach Co Ltd | London | 1 | 930 |
| 9.Arriva London South Ltd | Thornton Heath | 1 | 680 |
| 10.DHL Supply Chain Limited | Rochester | 2 | 666 |
| 11.Stark Building Materials UK Limited | Aylesford | 1 | 650 |
| 12.Transport UK London Bus Limited | London | 1 | 631 |
| 13.Brighton & Hove Bus and Coach Company Limited | Hove | 2 | 569 |
| 14.Travis Perkins Trading Company Ltd | Wallington | 1 | 560 |
| 15.Metroline West Limited | Uxbridge | 1 | 560 |
| 16.South East London & Kent Bus Co Ltd | London | 1 | 550 |
| 17.Biffa Waste Services Limited | Arundel | 1 | 515 |
| 18.East Kent Road Car Company Limited | Ramsgate | 1 | 508 |
| 19.UPS Ltd | Feltham | 1 | 445 |
| 20.Dpdgroup UK Ltd | Enfield | 1 | 439 |
| 21.Sysco GB Limited | London | 1 | 421 |
| 22.John Lewis PLC | Kingston upon Thames | 1 | 413 |
| 23.Gxo Logistics UK Limited | Enfield | 1 | 411 |
| 24.Fedex Express UK Transportation Limited | Barking | 1 | 391 |
| 25.F M Conway Limited | Dartford | 1 | 372 |
| 26.Lanes Group Limited | Rainham | 1 | 370 |
| 27.Transport UK West London Bus Limited | Southall | 1 | 352 |
| 28.Hats Group Ltd | Croydon | 1 | 350 |
| 29.Suez Recycling and Recovery UK Ltd | London | 1 | 315 |
| 30.Serco Limited | London | 2 | 300 |
| 31.Gist Limited | Faversham | 1 | 300 |
| 32.Arriva Kent & Surrey Ltd | Maidstone | 1 | 272 |
| 33.Fcc Environment (UK) Limited | Southfleet | 1 | 254 |
| 34.Ford Motor Co Ltd | Dagenham | 1 | 250 |
| 35.Countrystyle Recycling Ltd | Sittingbourne | 1 | 250 |
| 36.Sortera Limited | London | 1 | 250 |
| 37.Traylen Enterprises Ltd | Moor | 1 | 250 |
| 38.Lea Interchange Bus Company Limited | London | 1 | 250 |
| 39.Stagecoach (South) Limited | Chichester | 1 | 241 |
| 40.Cad Services Limited | Chertsey | 1 | 240 |
| 41.Day Group Limited | Brentford | 1 | 238 |
| 42.Evri Limited | Weybridge | 1 | 230 |
| 43.Asda Stores Ltd | Belvedere | 1 | 230 |
| 44.London Sovereign Ltd | Harrow | 1 | 230 |
| 45.Warburtons Ltd | Bognor Regis | 1 | 218 |
| 46.M T S Cleansing Services Ltd | Rochester | 1 | 214 |
| 47.Travis Perkins PLC | London | 1 | 212 |
| 48.Eddie Stobart Limited | Dagenham | 1 | 200 |
| 49.R.Swain & Sons Limited | Chatham | 1 | 198 |
| 50.Xpo Transport Solutions UK Limited | Rochester | 1 | 195 |
| 51.Biffa Municipal Ltd | Littlehampton | 1 | 191 |
| 52.Hovis Ltd | Mitcham | 1 | 190 |
| 53.Huws Gray Ltd | Crawley | 1 | 189 |
| 54.Sig Trading Limited | Aldershot | 1 | 185 |
| 55.Do & Co Event & Airline Catering Ltd | Feltham | 1 | 180 |
| 56.Bfs Group Limited | Tonbridge | 1 | 175 |
| 57.Elis UK Limited | Gravesend | 1 | 175 |
| 58.London Transit Limited | London | 1 | 173 |
| 59.Openreach Limited | Guildford | 1 | 167 |
| 60.Fowler Welch Limited | Sittingbourne | 1 | 156 |
| 61.H Sivyer (Transport) Ltd | London | 1 | 155 |
| 62.Panavision Europe Ltd | Greenford | 1 | 153 |
| 63.Tesco Distribution Ltd | Aylesford | 1 | 150 |
| 64.Lays International Ltd | Egham | 1 | 150 |
| 65.Royal Borough of Greenwich | London | 1 | 149 |
| 66.Centaur Overland Travel Ltd | Dartford | 1 | 147 |
| 67.Selco Trade Centres Limited | London | 1 | 144 |
| 68.Recycled Material Supplies Ltd | Belvedere | 1 | 144 |
| 69.Cemex UK Cement Limited | Brighton | 1 | 142 |
| 70.Powerday PLC | Enfield | 1 | 140 |
| 71.Booker Ltd | Redhill | 1 | 139 |
| 72.Ocado Holdings Limited | Erith | 1 | 139 |
| 73.G4S Cash Solutions (UK) Limited | London | 1 | 135 |
| 74.Thames Water Utilities Limited | London | 1 | 133 |
| 75.Transdev Airport Services Limited | Hounslow | 1 | 132 |
| 76.UK Power Networks Services (South East) Limited | Tonbridge | 1 | 126 |
| 77.London Borough of Hackney | London | 1 | 126 |
| 78.Stanmore Quality Services Limited | London | 1 | 125 |
| 79.P R S Distribution Ltd | Heathrow | 1 | 125 |
| 80.Boc Limited | London | 1 | 121 |
| 81.E H Nicholls Jnr Ltd | Sittingbourne | 1 | 115 |
| 82.The Salvatori Group of Companies Limited | Sittingbourne | 1 | 115 |
| 83.Lenham Storage Co Ltd | Maidstone | 1 | 114 |
| 84.Walon Ltd | Bank | 1 | 112 |
| 85.Alcaline UK Ltd | Hythe | 1 | 112 |
| 86.Dnata Catering UK Limited | Crawley | 1 | 111 |
| 87.Amey Lg Ltd | Esher | 1 | 110 |
| 88.London Hire Community Services Ltd | Erith | 1 | 110 |
| 89.Ferns Surfacing Limited | Staines-upon-Thames | 1 | 110 |
| 90.DHL Ecommerce UK Limited | London | 1 | 107 |
| 91.London Borough of Tower Hamlets | London | 1 | 105 |
| 92.Dnata Ltd | Staines-upon-Thames | 1 | 104 |
| 93.London Borough of Barking & Dagenham | Dagenham | 2 | 102 |
| 94.Bunzl UK Limited | London | 1 | 101 |
| 95.Abf Grain Products Limited | London | 1 | 100 |
| 96.A W Jenkinson Transport Ltd | Queenborough | 1 | 100 |
| 97.Jj Food Service Ltd | Sidcup | 1 | 100 |
| 98.Gate Gourmet London Limited | Horley | 1 | 100 |
| 99.Bywaters (Leyton) Ltd | London | 1 | 100 |
| 100.London Borough of Barnet | London | 1 | 100 |
| 101.Hallmark Connections Limited | Staines-upon-Thames | 1 | 100 |
| 102.DHL International (UK) Ltd | Croydon | 1 | 99 |
| 103.Forest Freight Limited | Rainham | 1 | 99 |
| 104.Wfl (UK) Limited | Staines-upon-Thames | 1 | 98 |
| 105.Nsl Limited | London | 1 | 96 |
| 106.Alan Firmin Ltd | Snodland | 1 | 95 |
| 107.Compass Travel (Sussex) Ltd | Lewes | 1 | 95 |
| 108.Ceva Logistics Ltd | Hounslow | 1 | 94 |
| 109.London Borough of Havering | Hornchurch | 2 | 92 |
| 110.T & M Plant Hire Limited | Horsham | 1 | 92 |
| 111.Sunbelt Rentals Limited | Staines-upon-Thames | 1 | 91 |
| 112.Ringway Infrastructure Services Ltd | London | 1 | 90 |
| 113.Greggs PLC | Enfield | 1 | 90 |
| 114.Booker Retail Partners (GB) Ltd | Erith | 1 | 90 |
| 115.Network Rail Infrastructure Ltd | London | 1 | 90 |
| 116.First Mile Limited | London | 1 | 90 |
| 117.Speedy Asset Services Ltd | London | 1 | 88 |
| 118.Bestway Wholesale Limited | Gillingham | 1 | 88 |
| 119.London Borough of Islington | London | 1 | 87 |
| 120.Quattro (UK) Limited | London | 1 | 85 |
| 121.Grange Travel Coach Hire Ltd | Gravesend | 1 | 85 |
| 122.London Borough of Enfield | Enfield | 1 | 84 |
| 123.Turners (Soham) Ltd | Sittingbourne | 1 | 83 |
| 124.Solstor UK Limited | Dartford | 1 | 83 |
| 125.Emr Group Limited | London | 1 | 82 |
| 126.Balfour Beatty Group Limited | Leatherhead | 1 | 80 |
| 127.Shred-It Limited | Brentford | 1 | 80 |
| 128.Srcl Ltd | Ashford | 1 | 80 |
| 129.Certas Energy UK Limited | Uxbridge | 1 | 78 |
| 130.Lawsons (Whetstone) Ltd | Romford | 1 | 77 |
| 131.Delice de France Limited | Southall | 1 | 77 |
| 132.Brett Aggregates Limited | Romford | 1 | 77 |
| 133.Bleach of Lavant Ltd | Chichester | 1 | 77 |
| 134.Arriva Kent Thameside Ltd | Gravesend | 1 | 75 |
| 135.Dx Network Services Limited | Swanley | 1 | 74 |
| 136.Cappagh Contractors Construction (London) Ltd | London | 1 | 72 |
| 137.Oxalis Logistics UK Limited | Staines-upon-Thames | 1 | 70 |
| 138.Chevron Traffic Management Limited | Maidstone | 1 | 70 |
| 139.Ds Smith Logistics Limited | Sittingbourne | 1 | 70 |
| 140.Johnsons Textile Services Limited | Brighton | 1 | 69 |
| 141.Sse PLC | Camberley | 1 | 68 |
| 142.Loomis UK Ltd | Aylesford | 1 | 68 |
| 143.Goldstar Heathrow Ltd | Hayes | 1 | 68 |
| 144.David Cover & Son Ltd | Lewes | 1 | 66 |
| 145.Wren Kitchens Limited | Rochester | 1 | 65 |
| 146.Palletways (UK) Limited | Greenford | 1 | 65 |
| 147.Glengall Ltd | Hayes | 1 | 65 |
| 148.Grs Integrated Solutions Limited | Uxbridge | 1 | 64 |
| 149.Clancy Docwra Ltd | Ramsgate | 1 | 63 |
| 150.Carboclass Limited | Sutton | 1 | 61 |