| CAM Environmental Engineering Ltd | Brockenhurst | 2024 |
| CAM Fisheries Limited | Dereham | 2025 |
| CAM Hydraulics Ltd | Sheffield | 2012 |
| CAM Integration Limited | Clydebank | 2014 |
| CAM Laboratory Ltd. | Glasgow | 2016 |
| CAM Lock Limited | Aldershot | 1986 |
| CAM Security Limited | Upminster | 2011 |
| CAM Speed Limited | Leamington Spa | 2005 |
| CAM Technical Services Ltd | Dursley | 2019 |
| CAM Tyre and Welding Company Limited | Bath | 1974 |
| Cam-Tech Engineering (Coventry) Limited | Altrincham | 1998 |
| Cam-Tech Security Systems Limited | Staplehurst | 1995 |
| Cama 3 Limited | Swindon | 2001 |
| Camadye Limited | London | 2018 |
| Camair Compressors Limited | Thames Ditton | 2000 |
| Camak Services Ltd | Coalville | 2015 |
| Caman Equipment Ltd | Belfast | 2009 |
| Camari Ltd | Peterborough | 2008 |
| Camasonics Limited | Chippenham | 2002 |
| Camb Machine Knives International Limited | Bristol | 2014 |
| Camb-Lec Ltd | Peterborough | 2023 |
| Cambair Ltd | Cambridge | 2020 |
| Cambar Engineering Limited | Hertford | 2001 |
| Cambcol Ltd | Birmingham | 2014 |
| Cambeal Limited | Oxford | 1998 |
| Camber Club Ltd | Ashford | 2025 |
| Camber Cycle Works Ltd | Dorchester | 2021 |
| Camber Electrical Ltd | Portsmouth | 2006 |
| Camber Moto Limited | Cranbrook | 2014 |
| Camber Spirits Limited | Wokingham | 2022 |
| Camber UP Carpentry Ltd | London | 2025 |
| Camberco Ltd | London | 2026 |
| Camberley Cooling and Electric Ltd | Farnborough | 2025 |
| Camberley Precision Sheetmetal Limited | Surrey | 2006 |
| Camberley Printers Limited | Camberley | 1971 |
| Camberley Rubber Mouldings Limited | Aldershot | 1972 |
| Camberley Sign Company Limited | Camberley | 1999 |
| Cambertronics Limited | Cranleigh | 1991 |
| Cambery Designs Limited | London | 1991 |
| Cambian Foods Limited | Middlesex | 1988 |
| Cambiguous Limited | Aberdeen | 2025 |
| Cambio Beer Ltd | London | 2026 |
| Cambion Electronics Limited | Hope Valley | 1961 |
| Cambiotech Limited | Cambridge | 2009 |
| Cambium Bespoke Ltd | Norwich | 2019 |
| Cambium Creative Solutions Limited | Glasgow | 2010 |
| Camborne Joinery Limited | Redruth | 1994 |
| Cambourne Aircraft Services Limited | Cambridge | 2004 |
| Cambourne Engineering Limited | Kent | 2001 |
| Cambrex (UK and Eire) Limited | London | 1989 |
| Cambri-Tech Limited | London | 2020 |
| Cambria Granite Limited | Merthyr Tydfil | 2009 |
| Cambria Metals CYF | Swansea | 2024 |
| Cambrian Castings (Wales) Limited | Swansea | 2000 |
| Cambrian Construction Equipment Limited | Cardiff | 1974 |
| Cambrian Creels (ECC) Limited | Goole | 2019 |
| Cambrian Creels Ltd. | Saltburn-By-The-Sea | 2014 |
| Cambrian Drinks Ltd | Newtown | 2023 |
| Cambrian Fencing Limited | Aberystwyth | 2004 |
| Cambrian Forge Limited | Powys | 2003 |
| Cambrian Foundry Newtown Limited | Newtown | 2007 |
| Cambrian Granite ( Howden ) Ltd | Goole | 2011 |
| Cambrian Model Rail Limited | London | 2017 |
| Cambrian Press Ltd | Conwy | 2020 |
| Cambrian Printers Limited | Merthyr Tydfil | 1925 |
| Cambrian Solid Surface Limited | Hull | 2009 |
| Cambrian Solvents Limited | Newtown | 1975 |
| Cambrian Steel Limited | Cardiff | 2025 |
| Cambrian Technical Solutions Limited | Llanelli | 2014 |
| Cambridge Advanced Manufacturing Limited | Bury St. Edmunds | 2024 |
| Cambridge Aerospace Limited | London | 2024 |
| Cambridge Agricultural Ltd | Essex | 2001 |
| Cambridge Architectural Precast Limited | Bury St.Edmunds | 1993 |
| Cambridge Artisan Design Limited | Newmarket | 2017 |
| Cambridge Audio Limited | London | 1993 |
| Cambridge Bakers Ltd | Cambridge | 2019 |
| Cambridge Bespoke Limited | Letchworth Garden City | 2025 |
| Cambridge Broadbands Networks Limited | Kensington | 2020 |
| Cambridge Bullion Company Limited | Milton Keynes | 2026 |
| Cambridge Cakes Ltd | Cambridge | 2025 |
| Cambridge Cannabidiol Limited | London | 2017 |
| Cambridge Card Company Ltd | Cambridge | 2013 |
| Cambridge Carpentry Services Ltd | Bury St. Edmunds | 2023 |
| Cambridge Chef's Box Ltd | Longstanton | 2019 |
| Cambridge Chronicles Limited | Cambridge | 2024 |
| Cambridge Circuit Company Limited | Cambridge | 1986 |
| Cambridge Clocks Ltd | Cambridge | 2016 |
| Cambridge Confectionery Company Ltd | March | 2018 |
| Cambridge Contour Clinic Ltd | Cambridge | 2017 |
| Cambridge Copiers Ltd | Litlington | 2015 |
| Cambridge Crafted Kitchens & Interiors Ltd | Cambridge | 2017 |
| Cambridge Curtains Ltd | London | 2024 |
| Cambridge Dairy Ltd | Nottingham | 2021 |
| Cambridge Deliveries Limited | Cambridge | 2021 |
| Cambridge Dielectrix Ltd | Cambridge | 2026 |
| Cambridge Digital Consultancy Limited | Cambridge | 2017 |
| Cambridge Distillery Ltd | Cambridge | 2011 |
| Cambridge Document Solutions Limited | Cambridge | 2026 |
| Cambridge Door Services Limited | Soham | 2000 |
| Cambridge Doors Ltd | St. Neots | 2025 |