| S & C Foster Limited | Leeds | 2010 |
| S & C Landscaping and Groundworks Ltd | Aylesford | 2025 |
| S & D Services London Ltd | Chigwell | 2009 |
| S & D Sewage Services Limited | Maidstone | 2013 |
| S & I Metal Limited | Leigh On Sea | 2012 |
| S & J Auto Salvage Limited | Dorchester | 2015 |
| S & J Plant Services Limited | Brentwood | 2012 |
| S & J Synergy Limited | Cottingham | 2012 |
| S & J Watson Limited | Wolverhampton | 2024 |
| S & K Environmental Solutions Limited | Basildon | 2013 |
| S & P Collection Ltd | London | 2017 |
| S & P Enterprises (Cambs) Limited | Peterborough | 2025 |
| S & P Filters (Northern) Limited | Carlisle | 2010 |
| S & R Camping & Glamping Limited | Newcastle Upon Tyne | 2021 |
| S & S Chemical Cleaning & Water Treatment Limited | Gosport | 2000 |
| S & S Grab Hire & Aggregates Limited | Stafford | 2020 |
| S & S Griggs Limited | Swindon | 2010 |
| S & S Skip Hire Ltd | Stockton-On-Tees | 2025 |
| S & T Environmental Ltd | Hull | 2025 |
| S and H Solutions Spaldington Ltd | Howden | 2024 |
| S and K Waste Removal Services Ltd | London | 2025 |
| S and S Site Services Limited | Bishop Auckland | 2002 |
| S B Skips Limited | Bath | 2022 |
| S B T Contracting Limited | Halifax | 2001 |
| S B Waste Solutions Limited | Altrincham | 2013 |
| S Boak Haulage Ltd | Cambridge | 2015 |
| S C Hanna | Hillsborough | 2017 |
| S Carrington Services Limited | Bewdley | 2026 |
| S Carthy Asbestos Ltd | Nottingham | 2020 |
| S D Scraps Ltd | Birmingham | 2026 |
| S D Waste Paper Limited | Sale | 2016 |
| S GJ Thomas Ltd | Brentwood | 2025 |
| S J Cook Ltd | Brighton | 2018 |
| S J Griffiths & SON Tipper Hire Ltd | Neath | 2017 |
| S J H Recycling Ltd | Chandlers Ford | 2016 |
| S J W Earthmoving Ltd | Stoke-On-Trent | 2009 |
| S J Walchester Ltd | Stoke-On-Trent | 2007 |
| S J Walchester Recycling Limited | Stoke-On-Trent | 2019 |
| S K Waste Services Ltd | London | 2023 |
| S L Recycling Limited | New Inn | 2014 |
| S M Removals Ltd | London | 2024 |
| S M S Environmental Limited | Didcot | 2001 |
| S Metal Recycling Ltd | Chandler'S Ford | 2012 |
| S P Horobin Ltd | Derbyshire | 2007 |
| S R Payne Car Recycling Limited | Mansfield | 2022 |
| S S Plumbing Ltd | Poole | 2017 |
| S T Environmental Limited | Whitehills Business Park | 2025 |
| S V Taylor Digestate Ltd | Telford | 2017 |
| S W Draincare Limited | Grays | 2026 |
| S W Hygiene Limited | Liskeard | 1993 |
| S W S Environmental Services Limited | Blidworth Nottingham | 2002 |
| S&A Skip Hire Limited | Northampton | 2019 |
| S&Aj Sales Ltd | Tadcaster | 2020 |
| S&B Logistics Limited | Uxbridge | 2025 |
| S&D Sparkle Services Ltd | Canterbury | 2025 |
| S&E Waste Removals Ltd | Sheerness | 2022 |
| S&G Recycling Ltd | Neath | 2021 |
| S&G Skips Hire Limited | Nottingham | 2020 |
| S&K Mathews (WXM) Ltd | Wrexham | 2026 |
| S&L Drainage Ltd | Orpington | 2015 |
| S&L Removals Ltd | Manchester | 2026 |
| S&M Waste Removals Limited | Bridgend | 2019 |
| S&S Documents Limited | Leigh-On-Sea | 2024 |
| S-A Recycling Limited | Frodsham | 2011 |
| S-Craft Limited | Sandbach | 2015 |
| S. J. Walchester Environmental Services Ltd | Stoke-On-Trent | 2021 |
| S. Jain & Co. Limited | Paisley | 2026 |
| S. Keech Garden Maintenance Ltd | Warrington | 2010 |
| S. Norton & Co (Exports) Limited | Liverpool | 1986 |
| S. Norton & Co Limited | Liverpool | 1984 |
| S. P. Waste Services Limited | Newtown | 2011 |
| S. R. C. Recycling Limited | Chichester | 2003 |
| S. R. Payne Metal Recycling Ltd | Mansfield | 2020 |
| S. R. Reclaim Limited | Shifnal | 2016 |
| S.& W.Glazed Tile Company Limited | Dudley | 1956 |
| S.A.C.A Services Limited | London | 2019 |
| S.A.R. Metals Limited | Immingham | 2010 |
| S.A.S JET Wash Services Limited | Chester Le Street | 2021 |
| S.C. Compost Limited | Conwy Valley | 2013 |
| S.E. Coar Co Limited | Preston | 1997 |
| S.E. Drainage Limited | Wrotham Heath | 2020 |
| S.E.A.L.S. Aquariums Limited | Maryhill | 1987 |
| S.E.D. Composting Limited | Wigan | 2024 |
| S.E.D. Services Limited | Wigan | 2005 |
| S.F Transport Ltd | Bristol | 2020 |
| S.G. Oils Limited | Ulverston | 2004 |
| S.G. Shields (Benfleet) Limited | Southend On Sea | 1979 |
| S.I.S Plastic Regrind Supplies Ltd | Stockton On Tees | 2015 |
| S.J. Hargreaves (Scrap Metal) Limited | Southport | 2003 |
| S.K.M. Recycling Services Ltd | Cardiff | 2018 |
| S.R.S. Wholesale Limited | London | 1987 |
| S.T Waste Management Ltd | Romford | 2026 |
| S.U.D Services Cardiff Ltd | Cardiff | 2022 |
| S.W Waste Ltd | Ayr | 2023 |
| S.W. Marchant Agri Limited | Kent | 2002 |
| S.W.H Glasgow Ltd | Glasgow | 2020 |
| S.W.R Glasgow Limited | Glasgow | 2019 |
| S/West Recycling Ltd | Highbridge | 2015 |
| S2S Electronics Ltd | Rotherham | 1987 |
| S4 Maintenance Ltd | Glasgow | 2018 |