| C Jones Haulage Ltd | Lowton | 2025 |
| C K (Port Talbot) Ltd | Port Talbot | 2003 |
| C K Cars Midlands Chauffeurs Limited | Lutterworth | 2023 |
| C K Evans Transport Ltd | Brough | 2020 |
| C K Removals Limited | Bourne End | 2019 |
| C K Travel Limited | Swansea | 2013 |
| C L a a S Removal Limited | Dundee | 2026 |
| C L D S Limited | Leeds | 1994 |
| C L Haulage Services Limited | Bolton | 2025 |
| C L K M Transport Ltd | Burton-On-Trent | 2014 |
| C L K Transport Solutions Ltd | Wigan | 2014 |
| C L Transport NE Limited | Darlington | 2019 |
| C L Travel Ltd | Royston | 2014 |
| C Lawrence Logistics Ltd | Reading | 2025 |
| C Line Tunbridge Wells Ltd | Tunbridge Wells | 2023 |
| C Lintern Ltd | Glastonbury | 2018 |
| C Logistics (South) Ltd | Birmingham | 2025 |
| C Logistics Ltd | Brentwood | 2011 |
| C M Coaches Limited | Exeter | 2014 |
| C M Corney Limited | Southampton | 2016 |
| C M Davies Limited | Carmarthen | 2017 |
| C M Driving Services (Cumbria) Ltd | Workington | 2019 |
| C M E Trading Limited | Middlesex | 1987 |
| C M Hassan Ltd | London | 2022 |
| C M Logistics Ltd | Ashford | 2012 |
| C M P S 2000 Limited | West Sussex | 1999 |
| C M P Transport Ltd | Leicester | 2020 |
| C M Pallet Services Limited | Billericay | 2012 |
| C M Tobin Transport Ltd | Port Talbot | 2025 |
| C M Trades Limited | Rotherham | 2024 |
| C M Workforce Limited | Bristol | 2011 |
| C Marin Ltd | Dagenham | 2018 |
| C Marshall (Europe) Limited | Crediton | 1990 |
| C Maxwell Transport Ltd | Belfast | 2019 |
| C MC C Transport NI Ltd | Newry | 2014 |
| C Mcburnie Limited | Broxburn | 2025 |
| C Mcelchare Ltd | Wigan | 2013 |
| C Mens Ltd | Birmingham | 2017 |
| C Mobley Services Ltd | Tamworth | 2024 |
| C Morgan HGV and Plant Operating Limited | Maryport | 2013 |
| C Motion UK Ltd | London | 2026 |
| C N D Transport Ltd | Hounslow | 2013 |
| C N H Transport Ltd | Clevedon | 2009 |
| C N Sampson Limited | Swansea | 2023 |
| C N Transport Logistics Ltd | Hampton | 2026 |
| C Neil Dowson Limited | Stallingborough | 2001 |
| C Nicholson Cumbria Ltd | Carlisle | 2022 |
| C Nyati Limited | Luton | 2024 |
| C O Tankers Ltd | Hull | 2006 |
| C P & G Coates Limited | Nelson | 2007 |
| C P C P Transport Ltd | Chorley | 2026 |
| C P Evans Transport Limited | Shrewsbury | 2021 |
| C P R International Limited | Gainsborough | 1999 |
| C P Services (Spalding) Limited | Norfolk | 2004 |
| C P Tilbrook Ltd | Rushden | 2023 |
| C P Transport Services Ltd | Luton | 2019 |
| C Pain Trucking Ltd | Blackpool | 2025 |
| C Parkinson & Sons Traffic Management Ltd | Ilford | 2019 |
| C PAS Logistics Ltd | Ilford | 2017 |
| C Pearson Haulage Limited | Manchester | 2025 |
| C Plus Logistics Limited | London | 2025 |
| C Private Ltd | Stoke-On-Trent | 2018 |
| C R Courier Experts Ltd | Southall | 2019 |
| C R Deliveries and Couriers Ltd | London | 2023 |
| C R Driving Services Leicester Limited | Leicester | 2017 |
| C R J Transport Limited | Swansea | 2019 |
| C R M Couriers Limited | Bingham | 2014 |
| C R Martin Transport Limited | Hyde | 2015 |
| C R Property & Pest Control Management Ltd | London | 2025 |
| C R Storage Limited | Oldbury | 2022 |
| C Ravensbergen Limited | Essex | 2006 |
| C Recoveries Vehicle Transportation & Storage Ltd | Mildenhall | 2025 |
| C Robinson Transport Ltd | Dungannon | 2017 |
| C Rusu Couriers Ltd | Market Harborough | 2022 |
| C S Backhouse Storage Ltd | Goole | 2021 |
| C S Couriers Limited | Tunbridge Wells | 2011 |
| C S Deliveries Limited | Tyne And Wear | 2007 |
| C S Ellis Logistics Limited | Oakham | 1965 |
| C S Gourlay Limited | Oban | 2025 |
| C S H Transport and Forwarding Limited | Blackburn | 1979 |
| C S James Transport Limited | Kidderminster | 2018 |
| C S Logistics (Bham) Ltd | Birmingham | 2021 |
| C S M Works Ltd | Horley | 2026 |
| C S Mills Contractors (UK) Limited | Willenhall | 2001 |
| C S S. Delivery Ltd | North Harrow | 2018 |
| C S Transport (London) Ltd | Ashford | 2021 |
| C S Transporter Ltd | Ely | 2024 |
| C S World Cargo 2000 Ltd | Essex | 2000 |
| C Scott & Sons Limited | Carluke | 2017 |
| C Sharp Logistics Ltd | Luton | 2016 |
| C Smart Distribution Limited | Hull | 2019 |
| C Smith Contracting Services Limited | Stockport | 2024 |
| C Smith Logistics Ltd | Wolverhampton | 2026 |
| C Sparks & Sons Limited | Glastonbury | 1971 |
| C Steinweg Cargo Secure Ltd | London | 2023 |
| C Strydom Ltd | Sutton | 2026 |
| C Swatten TM Ltd | Lancaster | 2024 |
| C T (North East) Limited | Middlesbrough | 2012 |
| C T Aviation Services Limited | Aberdeen | 2017 |
| C T E Transport Limited | Porth | 2019 |