| Ainscough Crane Hire Ltd03245223 | OK1116471 | 13 Jul 2023 | HS2 |
| Air Products PLC00103881 | OK0205007 | 26 Nov 2021 | |
| Arriva Kent & Surrey Ltd00114841 | PK0000208 | 28 Sep 2023 | |
| Arriva Kent Thameside Ltd02005266 | PK0001285 | 28 Sep 2023 | |
| Arriva London North Limited02328559 | PK0002084 | 23 Mar 2018 Founder member | |
| Arriva London South Ltd02328467 | PK0002261 | 23 Mar 2018 Founder member | |
| Asd Transport Ltd13993620 | PK2093069 | 22 Sep 2020 | |
| Automobile Association Developments Ltd01878835 | OK1124262 | 29 Mar 2018 Founder member | |
| Bfs Group Limited00239718 | OK2073299 | 7 Dec 2017 Founder member | |
| Bywaters (Leyton) Ltd00505212 | OK0204479 | 16 Oct 2020 | |
| Cemex UK Cement Limited00475212 | OK1039807 | 9 Jan 2018 Founder member | |
| Clean Linen Services Ltd00087908 | OK1070324 | 24 Dec 2021 | |
| Copart UK Ltd00929621 | OK0181759 | 28 Sep 2026 | |
| DHL Supply Chain Limited00528867 | OK0217633PK1086141 | 27 Jul 2018 | |
| Dpdgroup UK Ltd00732993 | OK0219306 | 25 Jan 2018 Founder member | |
| East Kent Road Car Company Limited00144585 | PK0000098 | 25 Jan 2019 | |
| East London Bus & Coach Co Ltd02328402 | PK0001938 | 25 Jan 2019 | |
| Elis UK Limited00228604 | OK2017225 | 15 Dec 2017 Founder member | |
| Environment Agency | OK0201117 | 15 Jan 2024 | |
| Erith Haulage Company Limited01025130 | OK0206033 | 2 May 2024 | TfL |
| Explore Transport Limited09403776 | OK1140212 | 18 Mar 2022 | |
| Fowler Welch Limited01001101 | OK0181188 | 7 Aug 2020 | |
| Gist Limited00502669 | OK0170053 | 23 Jul 2024 | |
| Grange Travel Coach Hire Ltd09128119 | PK1135965 | 16 Jul 2025 | |
| Greenergy Flexigrid Limited07581532 | OK2051496 | 6 Dec 2019 | |
| Gxo Logistics UK LimitedSC037270 | OK0218429 | 7 Jun 2018 | |
| Hoyer UK Limited02699808 | OK1108085 | 15 Mar 2018 Founder member | |
| H Sivyer (Transport) Ltd01360909 | OK0207603 | 20 Apr 2018 Founder member | |
| John Lewis PLC00233462 | OK0217850 | 15 Dec 2017 Founder member | |
| Lea Interchange Bus Company Limited13867436 | PK2055831 | 25 Jan 2019 | |
| Masstock Arable (UK) Limited02387531 | OK1029760 | 9 Jul 2021 | |
| Medisort Limited06856504 | OK1098049 | 16 Nov 2022 | |
| New Era Fuels Ltd07378045 | OK1118603 | 11 Dec 2025 | |
| Oxalis Logistics UK Limited01164085 | OK0223186 | 16 Jan 2020 | |
| Pmv Commercials Limited08489483 | OK1122207 | 29 Aug 2023 | |
| Recycled Material Supplies Ltd06221599 | OK1070382 | 23 Mar 2018 Founder member | |
| Schenk UK Ltd02316301 | OK2040272 | 24 Jul 2020 | |
| South East London & Kent Bus Co Ltd02328595 | PK0002365 | 25 Jan 2019 | |
| Speedy Asset Services Ltd06847930 | OK1095081 | 25 Jan 2018 Founder member | |
| Stagecoach (South) Limited01673542 | PK0002571 | 25 Jan 2019 | |
| Stilprime Limited04728917 | OK2014100 | 19 Jun 2026 | |
| Sysco GB Limited02035315 | OK1015347 | 10 Apr 2025 | |
| Tesco Distribution Ltd02972724 | OK2058935 | 4 Jun 2021 | |
| Transport UK London Bus Limited03786162 | PK0003436 | 2 Aug 2019 | |
| Transport UK West London Bus Limited00689260 | PK0001815 | 2 Aug 2019 | |
| Travis Perkins PLC00824821 | OK1087428 | 17 Nov 2023 | |
| Warburtons Ltd00178711 | OK1020214 | 26 Jun 2020 | |
| Waste-A-Way Recycling Ltd04422716 | OK1071464 | 16 Sep 2022 | |
| Westminster Waste Limited07465506 | OK1102145 | 8 Sep 2021 | |
| Wincanton Holdings Limited02155951 | OK2071136 | 7 Dec 2017 Founder member | |
| Wings Transport Limited05055472 | OK1047054 | 17 Nov 2023 | |
| Wolseley UK Limited00636445 | OK0172466 | 1 Aug 2022 | |
| Worthing Coaches Limited01313045 | PK0000115 | 19 Jul 2017 Founder member | |
| Wren Kitchens Limited06799478 | OK2051307 | 16 Jun 2021 | |