| 1.Red & White Services Ltd | Cwmbran | 1 | 451 |
| 2.Owens (Road Services) Ltd | Wrexham | 1 | 345 |
| 3.First Cymru Buses Ltd | Carmarthen | 1 | 300 |
| 4.Arriva Cymru Ltd | Rhyl | 1 | 296 |
| 5.Cardiff City Transport Services Limited | Cardiff | 1 | 275 |
| 6.DHL Supply Chain Limited | Ebbw Vale | 1 | 225 |
| 7.Tesco Distribution Ltd | Caldicot | 1 | 225 |
| 8.Stark Building Materials UK Limited | Barry | 1 | 214 |
| 9.Travis Perkins Trading Company Ltd | Porthmadog | 1 | 194 |
| 10.Edwards Coaches Ltd | Mountain Ash | 2 | 190 |
| 11.City and County of Swansea | Swansea | 1 | 185 |
| 12.Castell Howell Foods Ltd | Carmarthen | 1 | 180 |
| 13.Cardiff County Council | Cardiff | 1 | 173 |
| 14.Rhondda Cynon Taff County Borough Council | Pontypridd | 1 | 160 |
| 15.Powys County Council | Brecon | 1 | 160 |
| 16.Newport Transport Limited | Newport | 1 | 160 |
| 17.Biffa Waste Services Limited | Gaerwen | 1 | 159 |
| 18.Booker Ltd | Aberystwyth | 1 | 158 |
| 19.Carmarthenshire County Council | Llandovery | 1 | 154 |
| 20.Mds Distribution Limited | Carmarthen | 1 | 150 |
| 21.Royal Mail Group Ltd | Bridgend | 1 | 147 |
| 22.Huws Gray Ltd | Caernarfon | 1 | 144 |
| 23.Veolia Es (UK) Limited | Llanelli | 1 | 143 |
| 24.Caerphilly County Borough Council | Hengoed | 1 | 138 |
| 25.Gregory Distribution (Holdings) Limited | Caldicot | 1 | 136 |
| 26.New Adventure Travel Limited | Swansea | 1 | 135 |
| 27.Fedex Express UK Transportation Limited | Swansea | 1 | 130 |
| 28.Tom Prichard Contracting Limited | Bridgend | 1 | 125 |
| 29.UPS Ltd | Neath | 1 | 120 |
| 30.Tdw Distribution Ltd | Bridgend | 1 | 120 |
| 31.Cyngor Gwynedd Council | Pwllheli | 1 | 120 |
| 32.Conwy County Borough Council | Llandudno | 1 | 119 |
| 33.Dwr Cymru Cyfyngedig | Llanrwst | 1 | 114 |
| 34.Aldi Stores Limited | Cardiff | 1 | 110 |
| 35.Atlantic Recycling Limited | Cardiff | 1 | 105 |
| 36.Openreach Limited | Newtown | 1 | 103 |
| 37.Neath Port Talbot County Borough Council | Merthyr Tydfil | 1 | 102 |
| 38.Flintshire County Council | Buckley | 1 | 101 |
| 39.Dpdgroup UK Ltd | Newtown | 1 | 100 |
| 40.Asda Stores Ltd | Chepstow | 1 | 100 |
| 41.Denbighshire County Council | Rhyl | 1 | 100 |
| 42.Thorncliffe Building Supplies Ltd | Rhyl | 1 | 100 |
| 43.Pembrokeshire County Council | Crymych | 1 | 98 |
| 44.Wynnstay Group P.L.C. | Llandysul | 1 | 94 |
| 45.Turners (Soham) Ltd | Port Talbot | 1 | 92 |
| 46.Bfs Group Limited | Swansea | 1 | 90 |
| 47.Edwin C Farrall (Transport) Ltd | Deeside | 1 | 90 |
| 48.Hughes Bros (Llanrwst & Trefriw) Ltd | Llandudno | 1 | 90 |
| 49.Lbs Builders Merchants Limited | Cardigan | 1 | 89 |
| 50.Blaenau Gwent County Borough Council | Ebbw Vale | 1 | 89 |
| 51.Monmouthshire County Council | Usk | 1 | 88 |
| 52.Cad Services Limited | Bridgend | 1 | 87 |
| 53.Wrexham County Borough Council | Wrexham | 1 | 87 |
| 54.Certas Energy UK Limited | Cardiff | 1 | 85 |
| 55.Ash Group (UK) Ltd | Chester | 1 | 85 |
| 56.S & K Haulage (Glam) Ltd | Barry | 1 | 85 |
| 57.Monex Cranes Ltd | Newport | 1 | 84 |
| 58.Abf Grain Products Limited | Cardiff | 1 | 82 |
| 59.Vale of Glamorgan Council | Cardiff | 1 | 75 |
| 60.Wincanton Holdings Limited | Bridgend | 1 | 74 |
| 61.Lloyds Coaches Limited | Machynlleth | 1 | 74 |
| 62.Johnsons Textile Services Limited | Pontypridd | 1 | 73 |
| 63.Flogas Britain Ltd | Newport | 1 | 72 |
| 64.Peter's Food Service Ltd | Swansea | 1 | 72 |
| 65.Torfaen County Borough Council | Pontypool | 1 | 71 |
| 66.John Raymond Transport Limited | Bridgend | 1 | 70 |
| 67.Gerry Jones Transport Services Ltd | Newport | 1 | 70 |
| 68.Frenni Transport Limited | Crymych | 1 | 70 |
| 69.John Pearce (Glynneath) Limited | Neath | 1 | 70 |
| 70.R.F. Bellis Haulage Ltd | Wrexham | 1 | 65 |
| 71.Neal Soil Suppliers Ltd | Cardiff | 1 | 65 |
| 72.NHS Wales Shared Service Partnership (Nwssp) | Denbigh | 1 | 63 |
| 73.Boc Limited | Port Talbot | 1 | 62 |
| 74.Brace's Bakery Ltd | Newport | 1 | 62 |
| 75.Newport City Council | Newport | 1 | 62 |
| 76.Llew Jones Ltd | Corwen | 2 | 60 |
| 77.Breedon Trading Limited | Wrexham | 1 | 60 |
| 78.A.F. Blakemore and Son Limited | Pontyclun | 1 | 60 |
| 79.P. Davies & Sons Limited | Abergavenny | 1 | 60 |
| 80.Ceredigion County Council | Aberystwyth | 1 | 60 |
| 81.Gxo Logistics UK Limited | Cardiff | 1 | 59 |
| 82.Calor Gas Limited | Neath | 1 | 59 |
| 83.B & T Hicks (Transport) Ltd | Newport | 1 | 57 |
| 84.Sysco GB Limited | Bridgend | 1 | 56 |
| 85.Greggs PLC | Pontypridd | 1 | 56 |
| 86.Harlech Foodservice Ltd | Carmarthen | 1 | 56 |
| 87.Cemex UK Cement Limited | Newport | 1 | 55 |
| 88.Network Rail Infrastructure Ltd | Port Talbot | 1 | 55 |
| 89.Centregreat Ltd | Bridgend | 1 | 55 |
| 90.Dyfed Steels Ltd | Llanelli | 1 | 55 |
| 91.A E Gough & Sons Ltd | Llandrindod Wells | 1 | 55 |
| 92.Alun Griffiths (Contractors) Limited | Abergavenny | 1 | 53 |
| 93.Edge Transport Ltd | Deeside | 1 | 52 |
| 94.Merthyr Tydfil County Borough Council | Merthyr Tydfil | 1 | 52 |
| 95.Thomas of Rhondda Ltd | Porth | 1 | 51 |
| 96.Evri Limited | Bridgend | 1 | 50 |
| 97.Balfour Beatty Group Limited | Porth | 1 | 50 |
| 98.Scottish Power UK PLC | Rhyl | 1 | 50 |
| 99.J & J Truckin Limited | — | 1 | 50 |
| 100.Delivery Solutions (Delsol) Limited | Caernarfon | 1 | 50 |
| 101.Davies & Meredith Limited | — | 1 | 50 |
| 102.P M Rees & Sons 2000 Ltd | Barry | 1 | 50 |
| 103.Jaga Brothers Transport Limited | Newport | 1 | 50 |
| 104.G D Environmental Services Ltd | Newport | 1 | 50 |
| 105.Oil 4 Wales Limited | Lampeter | 1 | 50 |
| 106.South Wales Transport (Neath) Ltd | Swansea | 1 | 50 |
| 107.P & O Lloyd Ltd | — | 1 | 50 |
| 108.Davies Coaches Ltd | Cwmgwili | 1 | 50 |
| 109.Cymru Coaches Ltd | Swansea | 1 | 50 |
| 110.Clynnog and Trevor Motor Company Limited | Caernarfon | 1 | 50 |
| 111.Xpo Transport Solutions UK Limited | Chepstow | 1 | 49 |
| 112.Dx Network Services Limited | Llanelli | 1 | 49 |
| 113.R E Morris & Sons Ltd | Oswestry | 1 | 48 |
| 114.Mainline Coaches Ltd | Porth | 1 | 48 |
| 115.Uniserve Limited | Chepstow | 1 | 46 |
| 116.Freight Systems Express (Wales) Limited | Cardiff | 1 | 46 |
| 117.Evolve Supply Chain Limited | Mold | 1 | 45 |
| 118.Williams Motors (Cwmdu) Ltd | Crickhowell | 1 | 45 |
| 119.Bysiau Cwm Taf Valley Coaches Ltd | Whitland | 1 | 45 |
| 120.Travis Perkins PLC | Cardiff | 1 | 44 |
| 121.J H Willis Ltd | Wrexham | 1 | 44 |
| 122.G4S Cash Solutions (UK) Limited | Cardiff | 1 | 43 |
| 123.Hanson Quarry Products Europe Ltd | Newport | 1 | 43 |
| 124.Clynderwen & Cardiganshire Farmers Ltd | Machynlleth | 1 | 43 |
| 125.Ws&S Distribution Limited | Deeside | 1 | 42 |
| 126.Wales Environmental Ltd | Pwllheli | 1 | 42 |
| 127.Fagan & Whalley Newport Ltd | Newport | 1 | 42 |
| 128.Plan B Management Solutions Limited | Bridgend | 1 | 42 |
| 129.Bridgend County Borough Council | Bridgend | 1 | 42 |
| 130.Cymru Quarry Group Limited | Llanybydder | 1 | 41 |
| 131.Warburtons Ltd | Swansea | 1 | 40 |
| 132.Walon Ltd | Newport | 1 | 40 |
| 133.A W Jenkinson Transport Ltd | Builth Wells | 1 | 40 |
| 134.Palletways (UK) Limited | Barry | 1 | 40 |
| 135.2 Agriculture Growing Limited | Deeside | 1 | 40 |
| 136.Dr & Fa Ford Transport Limited | Wrexham | 1 | 40 |
| 137.Arra Distribution Ltd | Llanelli | 1 | 40 |
| 138.Moran Logistics (Ambient) Ltd | Cardiff | 1 | 40 |
| 139.Inter-Haul Pallet Services Limited | Pontypridd | 1 | 40 |
| 140.Wastesavers Ltd | Newport | 1 | 40 |
| 141.Williams Haulage Ltd | Corwen | 1 | 40 |
| 142.Richard Thomas Transport Limited | Carmarthen | 1 | 40 |
| 143.Cj Bird Transport Limited | Porth | 1 | 40 |
| 144.Lithium Logistics Ltd | Cowbridge | 1 | 40 |
| 145.A & C Aggregates Ltd | Narberth | 1 | 40 |
| 146.Gwynedd Environmental Waste Services Ltd | Penrhyndeudraeth | 1 | 40 |
| 147.D J Thomas Coaches Ltd | Neath | 1 | 40 |
| 148.Keepings Coaches Ltd | Aberdare | 1 | 40 |
| 149.Harris Coaches (Pengam) Ltd | Blackwood | 1 | 40 |
| 150.A & D Transport (Nw) Ltd | Mold | 1 | 39 |