| Dilkes and Sons Property Maintenance Ltd | Market Harborough | 2023 |
| Dillons Demolition Ltd | Aberdare | 2025 |
| Dinky Waste Ltd | Hull | 2020 |
| Dino Waste Solutions Ltd | Glasgow | 2023 |
| Dinocore Ltd | Grimsby | 2026 |
| Dinton Salvage & Liftech Hiab Hire Ltd | Keighley | 2014 |
| Direct Contracts Limited | Nuneaton | 2002 |
| Direct Drainage and Developments Ltd | Carlisle | 2025 |
| Direct Draincare Services Limited | Hastings | 2008 |
| Direct HIT Drainage Ltd | Rochester | 2024 |
| Direct Pumps & Tanks Ltd | Ilkeston | 1996 |
| Direct Shredding & Recycling Limited | | 2007 |
| Direct Skips and Grabs Ltd | London | 2025 |
| Direct Skips UK Limited | Wimborne | 2025 |
| Direct Special Metals (Gateshead) Limited | Sheffield | 2025 |
| Direct Special Metals Ltd | Sheffield | 2013 |
| Direct Waste Disposals Ltd | Weston-Super-Mare | 2023 |
| Direct Waste Management Limited | Peterhead | 1998 |
| Direct Waste Removal Limited | Tonbridge | 2025 |
| Direct Waste Solutions Ltd | Durham | 2025 |
| Direct Water Ltd | Sutton | 2015 |
| Direct-Tech Solutions Limited | Rougham | 2012 |
| Directdrains Ltd | Eastleigh | 2018 |
| Dirt Bags Ltd | Bradford | 2007 |
| Dirt Cheap Lytham ST Annes Ltd | Lytham St Annes | 2026 |
| Dirt Destructor Ltd | London | 2020 |
| Dirtbusters Skip Hire Ltd | Prestatyn | 2023 |
| Dirty Bear Ltd | Louth | 2025 |
| Dirty Business Limited | Hailsham | 2015 |
| Dirty Harry's Waste Management Ltd | Loughton | 2008 |
| Disaster Solutions Limited | Sheffield | 2011 |
| Discount Rubbish NE Limited | Middlesbrough | 2025 |
| Discovery Waste Solutions Ltd | Uxbridge | 2025 |
| Dispit Limited | Hull | 1964 |
| Disposal Company (Richborough) Limited | Nottingham | 1951 |
| Disposal MD Limited | London | 2026 |
| Disposal Solutions Ltd | London | 2025 |
| Disposall Limited | Tunbridge Wells | 2022 |
| Diss Grab Hire Limited | Eye | 2017 |
| District Drainage and Water Ltd | Birmingham | 2025 |
| Dittisham Recycling Centre Limited | Nr Dartmouth | 1996 |
| Diverse Investments Scotland Ltd | Motherwell | 2006 |
| Diverse Waste Management Ltd | Motherwell | 2025 |
| Diverse Waste Solutions Limited | Crewe | 2007 |
| Divert Ltd | York | 2020 |
| Dividefind Limited | Cowbridge | 1991 |
| Divine Contractor Services Ltd | London | 2023 |
| Dixon Skip Hire Limited | Sheffield | 2014 |
| Dixon Skips Ltd | Bolton | 2006 |
| Dixon Waste Solutions Ltd | Hatfield | 2025 |
| Dizzy Heights Property Services Limited | Birmingham | 2016 |
| DJ & PA Pennill (Holdings) Ltd | Cannock | 2018 |
| DJ & PA Pennill Limited | Cannock | 2011 |
| DJ Business Solutions Limited | Wolverhampton | 2020 |
| DJ Drainage Ltd | London | 2021 |
| DJ Wilkinson Ltd | Southam | 2022 |
| Djdr Textiles Ltd | Attleborough | 2023 |
| Djlewis Recycling Ltd | Belfast | 2024 |
| DJM Grab Hire Ltd | Blackpool | 2024 |
| DJO Waste Recycling Ltd. | Wolston | 2019 |
| DJR Asset Management Limited | Buxton | 2010 |
| DJS Drains Ltd | Windsor | 2026 |
| DJT Waste Removal Ltd | Carmarthen | 2022 |
| DJV Compliance Ltd | Belfast | 2014 |
| DJW Cables, Components & Recycling Limited | Pinner | 2017 |
| DK Commercial Services (Essex) Ltd | Colchester | 2012 |
| DK Laser Ltd | Merthyr Tydfil | 2026 |
| DK Solus Pro Ltd | Liverpool | 2019 |
| DKL Resources Limited | Dagenham | 2004 |
| DKL Services (AYR) Ltd | Ayr | 2013 |
| DKM Environmental Services Ltd | Basildon | 2022 |
| DL Waste Services Limited | Hemel Hempstead | 2022 |
| DLC Group Limited | Brentwood | 2024 |
| DLC Haulage Group Ltd | Thaxted | 2023 |
| DLC Haulage Ltd | Dunmow | 2021 |
| DLC Waste Services Ltd | North Shields | 2025 |
| DLG Water Limited | Enniskillen | 2016 |
| DLJ Water Limited | Enniskillen | 2020 |
| DLP Waste Mangement Ltd | Dartford | 2023 |
| DM Care Services Limited | Tamworth | 2022 |
| DM Food Recycling Ltd | Birmingham | 2022 |
| DM Maintenance 1 Ltd | Rayleigh | 2024 |
| DM Recycling Ltd | London | 2022 |
| DM Recycling Services Limited | Pontypridd | 2006 |
| DM Removals and Waste Services Ltd | Middlesbrough | 2024 |
| Dm&H Ltd | Pinner | 2025 |
| DM4RECOVERY Limited | London | 2025 |
| DMB Environmental Services Limited | Ashford | 2023 |
| DMB Waste Disposal Ltd | Liverpool | 2026 |
| DMB Waste Management Ltd | Liverpool | 2026 |
| DMC Group Ltd | Belfast | 2018 |
| DMC Skip & Waste Ltd | Belfast | 2026 |
| DMC Specialists Limited | Dartford | 2015 |
| DMC Waste Mgmt Ltd | London | 2022 |
| DMC Water Treatment Ltd | Romney Marsh | 2024 |
| DMG Eco Waste Management Limited | Crewe | 2018 |
| DMG Waste Management Ltd | Bournemouth | 2025 |
| DMH Process Systems Ltd | St. Leonards-On-Sea | 2020 |
| DML Recycling Ltd | Warrington | 2008 |
| DMS (Bucks) Limited | Leighton Buzzard | 2014 |