| Ab Agri Limited00193800 | OH0219376 | 29 Aug 2023 | |
| Adrian White Building Supplies Ltd02727601 | OH0212774 | 19 Mar 2018 Founder member | |
| Ainscough Crane Hire Ltd03245223 | OH1116475 | 13 Jul 2023 | HS2 |
| Air Products PLC00103881 | OH0202912 | 26 Nov 2021 | HS2TfL |
| Ait Home Delivery UK Ltd.07068367 | OH2007049 | 12 Aug 2026 | |
| Automobile Association Developments Ltd01878835 | OH1124264 | 29 Mar 2018 Founder member | |
| Barnes Coaches Limited01626089 | PH0001955 | 8 Jan 2018 Founder member | |
| Barton Petroleum Ltd00387426 | OH1134554 | 18 Jan 2018 Founder member | |
| Bfs Group Limited00239718 | OH2073508 | 7 Dec 2017 Founder member | |
| Boughey Distribution Ltd00797672 | OH2063050 | 29 Jun 2023 | |
| Cemex UK Cement Limited00475212 | OH1116430 | 9 Jan 2018 Founder member | |
| Cheltenham & Gloucester Omnibus Co Ltd01713578 | PH0005031 | 25 Jan 2019 | |
| Clean Linen Services Ltd00087908 | OH0209804 | 24 Dec 2021 | |
| Copart UK Ltd00929621 | OH0202415 | 28 Sep 2026 | |
| Culina Logistics Ltd05128194 | OH1058304 | 19 Apr 2018 Founder member | |
| DHL Supply Chain Limited00528867 | OH0001390 | 27 Jul 2018 | |
| Dpdgroup UK Ltd00732993 | OH0211908 | 25 Jan 2018 Founder member | |
| Elis UK Limited00228604 | OH2017228 | 15 Dec 2017 Founder member | |
| Environment Agency | OH0201472 | 15 Jan 2024 | |
| Explore Transport Limited09403776 | OH2013104 | 18 Mar 2022 | |
| First Beeline Buses Limited02179403 | PH0007007 | 3 Feb 2022 | |
| First Hampshire & Dorset Limited01999120 | PH0006159 | 3 Feb 2022 | |
| First South West Limited01669417 | PH0004983 | 21 Jun 2018 | |
| First West of England Limited00025088 | PH0000132 | 21 Jun 2018 | |
| Fowler Welch Limited01001101 | OH0225882 | 7 Aug 2020 | |
| Gist Limited00502669 | OH0205128 | 23 Jul 2024 | |
| Greenergy Flexigrid Limited07581532 | OH1120153 | 6 Dec 2019 | |
| Gxo Logistics UK LimitedSC037270 | OH1085437 | 7 Jun 2018 | |
| Halcyon Tankers Limited11585445 | OH2062273 | 8 Sep 2025 | |
| Harrods Ltd00030209 | OH1107307 | 30 Jan 2018 Founder member | |
| H. Luckett & Co. Limited01072023 | PH0005948 | 19 Jul 2017 Founder member | |
| John Lewis PLC00233462 | OH0145158 | 15 Dec 2017 Founder member | |
| Masstock Arable (UK) Limited02387531 | OH0221070 | 9 Jul 2021 | |
| New Era Fuels Ltd07378045 | OH2017647 | 11 Dec 2025 | |
| Newman Haulage Ltd07463139 | OH1101823 | 14 Nov 2025 | |
| Oxalis Logistics UK Limited01164085 | OH0214653 | 16 Jan 2020 | |
| Pulham & Sons (Coaches) Ltd00466434 | PH0000153 | 10 Mar 2021 | PSV private hire |
| Reading Transport Ltd02004963 | PH0005856 | 2 Feb 2018 Founder member | |
| Rogers Metal Management LLPOC421884 | OH2013120 | 21 Mar 2018 Founder member | |
| Sainsburys Supermarkets Ltd03261722 | OH2087298 | 6 Mar 2026 Founder member | |
| Schenk UK Ltd02316301 | OH1141527 | 24 Jul 2020 | |
| Speedy Asset Services Ltd06847930 | OH1095071 | 25 Jan 2018 Founder member | |
| Stagecoach Devon Ltd03142135 | PH1020951 | 25 Jan 2019 | |
| Stagecoach (South) Limited01673542 | PH0005857 | 25 Jan 2019 | |
| Stilprime Limited04728917 | OH2014276 | 19 Jun 2026 | |
| Sysco GB Limited02035315 | OH1015326 | 10 Apr 2025 | |
| Tally Ho! Coaches Limited05040510 | PH1081198 | 19 Nov 2019 | |
| Taunton School Enterprises Ltd02846335 | PH0007054 | 6 May 2021 | |
| Tesco Distribution Ltd02972724 | OH0216970 | 4 Jun 2021 | |
| Thames Transit Limited02272113 | PH0005863 | 25 Jan 2019 | |
| T J Morris Ltd01505036 | OH1138773 | 8 Feb 2018 Founder member | |
| Total Temperature Management Ltd07092695 | OH2077107 | 9 Jan 2026 Founder member | |
| Travis Perkins PLC00824821 | OH1087426 | 17 Nov 2023 | |
| Warburtons Ltd00178711 | OH0224412 | 26 Jun 2020 | |
| Wincanton Holdings Limited02155951 | OH2071134 | 7 Dec 2017 Founder member | |
| Wolseley UK Limited00636445 | OH0001465 | 1 Aug 2022 | |
| Woodland Logistics Ltd05151477 | OH1084278 | 1 Aug 2025 | |
| Wren Kitchens Limited06799478 | OH2001503 | 16 Jun 2021 | |