| R & R Waste Cable Management Ltd | Oldham | 2019 |
| R & S Etherington Limited | Sutton | 1975 |
| R & S Metals (NW) Limited | Liverpool | 2017 |
| R &T Clearance and Removals Limited | London | 2015 |
| R - Tech Global Construction & Properties Limited | Crawley | 2023 |
| R a Baker Grab Services Ltd | Horsham | 2019 |
| R a C Pallets Liverpool Limited | Prenton | 2018 |
| R and J Metals Ltd | Swansea | 2015 |
| R and P Ceramics Ltd | Jarrow | 2016 |
| R and S Moore Ltd | Ashby-De-La-Zouch | 2021 |
| R B Grab Hire Limited | Chatteris | 2016 |
| R B Metals Limited | Chatteris | 2018 |
| R B Services Gatwick Limited | Surrey | 2005 |
| R B Skip Hire Limited | Chepstow | 1999 |
| R Bestwick & Sons Limited | Leek | 2005 |
| R Butcher Grab Hire Ltd | Rotherham | 2008 |
| R Campbell Commercials Limited | Dumbarton | 2015 |
| R Dingle Ltd | Bridgwater | 2021 |
| R Duffy & Daughters Ltd | London | 2010 |
| R G Grab Hire Ltd | Aylesbury | 2017 |
| R H Mead & Sons Limited | Wells | 1996 |
| R Howard Utilities Ltd | Sherborne | 2020 |
| R J Amos Metals (1997) Limited | Walsall | 1997 |
| R J Contracting (Environmental) Limited | Lydney | 2013 |
| R J Contracting Ltd | London | 2023 |
| R J Harris Contracts Limited | Waterlooville | 1996 |
| R J Refurbishments Limited | Wolverhampton | 2009 |
| R J Water Pipes Ltd | Portsmouth | 2015 |
| R J Water Solutions Limited | Dereham | 2017 |
| R L Consultancy Limited | Southampton | 2025 |
| R L Dear Limited | Sheffield | 1977 |
| R Metals Limited | Derry | 2019 |
| R Potts Haulage Limited | | 2006 |
| R R Global Ltd | Cardiff | 2011 |
| R Realisations Limited | Birmingham | 2004 |
| R S Properties (Leicester) Limited | Claybrooke Parva | 2003 |
| R S Skips Limited | London | 2005 |
| R Smith & Sons Limited | Wantage | 1992 |
| R T Enviro Ltd | Glasgow | 2016 |
| R W Cunningham Metals Limited | Mexborough | 2007 |
| R W K Lewis Limited | Llandeilo | 2009 |
| R W Waste Ltd | Cardiff | 2021 |
| R White Waste Management Limited | London | 2015 |
| R Williams Consultants Limited | Cheltenham | 2005 |
| R&D Demolition UK Ltd | North Shields | 2016 |
| R&D Waste Recycling Ltd | Pontypridd | 2025 |
| R&D Waste Removal Ltd | High Wycombe | 2024 |
| R&G Removals Limited | Helensburgh | 2025 |
| R&J Grabs and Aggs Ltd | Bootle | 2024 |
| R&M Recycling Ltd | Tipton | 2022 |
| R&N Waste Solutions Ltd | Liverpool | 2026 |
| R&R Drainage Limited | Ashford | 2020 |
| R&R Recycling Ltd | Spalding | 2023 |
| R&R Waste and Removals Ltd | North Shields | 2023 |
| R&S Waste Management Ltd | Plymouth | 2025 |
| R&S Waste Solutions Ltd | Pembroke Dock | 2023 |
| R&W Environmental Ltd | Southampton | 2015 |
| R&Z Metals Ltd | Loughborough | 2002 |
| R&Z Transport Ltd | Loughborough | 2002 |
| R. Buckler Demolition Limited | Stockton On Tees | 2016 |
| R. CE. T. Ltd | Lampeter | 2011 |
| R. Collard Limited | Hook | 1994 |
| R. L. S. Drainage Ltd | Rochford | 2023 |
| R. Spivey and SON Limited | North Ferriby | 1980 |
| R.A. Bowers Limited | Broadstone | 2004 |
| R.A. Dalton Limited | Bishop Auckland | 2003 |
| R.A.H Groundworks Ltd | Northampton | 2025 |
| R.A.M Drains Limited | Bournemouth | 2025 |
| R.A.W Plant and Recycling Limited | Shotts | 2022 |
| R.A.W. Consultancy Ltd | Manchester | 2019 |
| R.C.M. Services Limited | Hemel Hempstead | 1995 |
| R.D. ROW (Meters) Limited | Yateley | 1962 |
| R.E. Spencer Limited | Lichfield | 2009 |
| R.G. Drains Ltd | Ilford | 2024 |
| R.H. Duffield Waste Services Limited | Dereham | 2003 |
| R.J. Lampard & Co. Ltd. | Marlborough | 1974 |
| R.J.M. Contracting Limited | Worcester | 2011 |
| R.L.E Clearance Ltd | Ilford | 2017 |
| R.M Waste Removal Ltd | Woking | 2024 |
| R.P. & S Heywood (Haulage) Limited | Plymouth | 1991 |
| R.Passmore & Company Limited | | 1948 |
| R.R.R Recycling Solutions Limited | Chelmsford | 2008 |
| R.S. Bruce (Metals & Machinery) Limited | | 1985 |
| R.S. Bruce Limited | | 1990 |
| R.S. French Ltd | Maidstone | 2010 |
| R.V. Maidment Limited | Salisbury | 1999 |
| R.W. Toothill Public Limited Company | Newcastle Upon Tyne | 1946 |
| R1 Demolition & Waste Limited | Chatham | 2025 |
| R3 Environmental Solutions Ltd | Reading | 2001 |
| R4 Limited | Craigavon | 2002 |
| R5 Energy Limited | West Byfleet | 2024 |
| R5 Window Clean Solution Ltd | Leeds | 2019 |
| RA Commercial Property Maintenance Ltd | Winsford | 2015 |
| Rabbish Auto Ltd | London | 2024 |
| Rabbit Skips Ltd | Snodland | 2010 |
| Rabbit Waste Management Limited | Lancing | 2010 |
| Rackheath Aggregates Ltd | Norwich | 2025 |
| Racycle Ltd | Nottingham | 2011 |
| Radcliffe Polymers Ltd | Rochdale | 2022 |
| Radiance Cleaning Limited | Canterbury | 2025 |