| J S C Environmental Services Ltd | Leatherhead | 2025 |
| J S Demolition and Reclamation Limited | Reading | 2013 |
| J S Global Cargo & Freight Disposal Limited | Ipswich | 2018 |
| J S Horton Tipper Grab Hire Ltd | Nuneaton | 2026 |
| J S Leach & Sons Limited | Lancashire | 2006 |
| J S Lowrie Haulage Limited | Stanford-Le-Hope | 2014 |
| J S Recycling Ltd | Birmingham | 2026 |
| J S Scraps Limited | Birmingham | 2025 |
| J Simpson Waste Management Ltd | Royal Victoria Docks | 2014 |
| J T Recycling & Aggregates Ltd | Stockton-On-Tees | 2016 |
| J T W Metals Limited | Brierley Hill | 2009 |
| J Tech Transportation Ltd | London | 2025 |
| J Tranter Skip Hire Limited | Church Stretton | 2013 |
| J Vant Ltd | Stourport-On-Severn | 2007 |
| J Wilson Food Service Ltd | Bulwell | 2022 |
| J&A Waste Removals Ltd | Croydon | 2022 |
| J&D Waste Services Ltd | Stevenage | 2023 |
| J&K Automotive Supplies Ltd | Aldershot | 2025 |
| J&M Recycled Aggregates Limited | Wigan | 2023 |
| J&M Waste Removal Ltd | Hull | 2025 |
| J&N Waste Limited | London | 2020 |
| J&R Drainage Services Ltd | Bexley | 2025 |
| J&R Scotland Ltd | Dundee | 2024 |
| J&R Waste Removal Ltd | Swindon | 2026 |
| J&S Jetting Drainage Services Limited | Wisbech | 2015 |
| J-All Environmental Ltd | Great Yarmouth | 2023 |
| J-J Stanley Ltd | Ryton | 2022 |
| J-Jay Upholstery Limited | Dudley | 1982 |
| J-Livi Services Limited | Kirknewton | 2025 |
| J. & P. Lewis(Metals)Limited | Oldbury | 1965 |
| J. & S. (Site Services) Limited | Sunderland | 1982 |
| J. a. K. Water Systems Limited | Alcester | 2003 |
| J. and T.J. Hindle Limited | Accrington | 2010 |
| J. Booth Millward Limited | Buxton | 2019 |
| J. Cregan Ltd | Carlisle | 2007 |
| J. Davidson (Car Sales) Limited | Altrincham | 1980 |
| J. Davidson Scrap Metal Processors (Northwich) Limited | Altrincham | 2024 |
| J. Davidson Scrap Metal Processors Limited | Altrincham | 2011 |
| J. Grindrod & SON Limited | Littleborough | 1937 |
| J. L. Beckett Limited | West Yorkshire | 2003 |
| J. O'Shea & Sons Limited | Salford Manchester | 1999 |
| J. Roberts (SPV) Limited | Sutton Coldfield | 1989 |
| J. Smith Metals Limited | Wolverhampton | 1984 |
| J. Tonks (Transport) Limited | Bowburn | 1963 |
| J. Watson & Sons Limited | Wolverhampton | 2008 |
| J.& S.Simcox Limited | Hill Top | 1959 |
| J.A.G Waste Solutions Ltd | Sheffield | 2026 |
| J.A.Y.S Waste Removal Limited | Torquay | 2024 |
| J.Allen Drainage Ltd | Kirkcaldy | 2025 |
| J.B. England & SON Ltd. | Derby | 1999 |
| J.B.C Haulage Limited | Newbury | 2025 |
| J.Cullen Thermals Limited | Manchester | 1976 |
| J.Dickinson & Sons(Horwich)Limited | Bolton | 1939 |
| J.F. Tanner and R.J. Tanner Limited | Ashford | 2018 |
| J.G Transportation Ltd | Stockport | 2017 |
| J.K Clearance Ltd | Dartford | 2026 |
| J.L. Heath & Company Limited | Liverpool | 1964 |
| J.L. Pest Control Limited | Brighton | 2017 |
| J.L.A Building & Maintenance Ltd | London | 2023 |
| J.L.J. Effluent Engineering Limited | Warrington | 1996 |
| J.L.P Group Limited | Falkirk | 2016 |
| J.M.P. Enterprises Limited | London | 1998 |
| J.Oakes & SON Skip Hire Ltd | Slough | 2017 |
| J.P Waste Management Ltd | Tadley | 2026 |
| J.P. Waste Management & Recycling Ltd | Rochdale | 2019 |
| J.Pesci & Sons Limited | Caerphilly | 1953 |
| J.R.S Render & Plastering Solutions Ltd | Liverpool | 2025 |
| J.S.Rubbish Removals Ltd | Pelsall | 2019 |
| J.Sarsfield & Sons Limited | Cheshire | 1962 |
| J.T Mitchell Enterprise Limited | Winchester | 2023 |
| J.T. FEW Plant Hire Ltd | Ipswich | 2002 |
| J.V.C WET Waste Ltd | Uxbridge | 2021 |
| J.W. Skip Hire Limited | Worcester | 2005 |
| J2C Clearance Ltd | Harlow | 2016 |
| J9 Aggregates Ltd | Walsall | 2024 |
| J9M5 Caravans Limited | Newton Abbot | 2010 |
| JA Plastics Ltd | Immingham | 2019 |
| Ja.Wastemanagementservices Ltd | Bromley | 2026 |
| Jaan Group Ltd | Slough | 2025 |
| JAB Recycling Ltd | Peterborough | 2024 |
| JAC Skip Hire Limited | Gravesend | 2015 |
| Jack Junk Ltd | Glasgow | 2024 |
| Jack Moody Recycling Limited | Manchester | 2012 |
| Jack of ALL Drains Ltd | London | 2024 |
| Jack of ALL Solutions Ltd | Thornton Heath | 2026 |
| Jack Removal Company Ltd | London | 2014 |
| Jack's Clearances Ltd | Neath | 2022 |
| Jacko’S Empire Ltd | Rotherham | 2025 |
| Jackson Environmental Limited | Bedford | 2014 |
| Jackson Remediation Ltd | London | 2019 |
| Jackson Skip & Recycling Limited | Blackpool | 2006 |
| Jackson Street Group Limited | Kington | 2017 |
| Jackson Waste Disposal Ltd | Brighton | 2016 |
| Jackson Waste Group Ltd | Hove | 2022 |
| Jacksons Car Dismantlers Limited | Deeside | 2003 |
| Jacob Phillips Drainage & Plumbing Ltd | Rochford | 2026 |
| Jacopa Limited | West Bromwich | 2014 |
| Jacopa-Deane Group Ltd | Enniskillen | 2020 |
| Jacqueline's Garden Community Interest Company | Sunbury-On-Thames | 2020 |
| Jadestone (IOW) Recycling Ltd | Newport | 2026 |