| 147 Lounge Keighley Ltd | 2020 | 31 May 2027 (in 231 days) |
| A Riddiough & Son Ltd | 1996 | 31 Aug 2027 (in 323 days) |
| A Summersgill (Plumbing and Heating) Ltd | 1997 | 28 Feb 2027 (in 139 days) |
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| Alan Dixon Plumbing & Heating Ltd | 2016 | 29 Sep 2027 (in 352 days) |
| Apex Plumbing & Building Solutions Ltd | 2025 | 10 Aug 2027 (in 302 days) |
| B.E Group Services Ltd | 2018 | 30 Apr 2027 (in 200 days) |
| Barraclough Plumbing & Heating Limited | 2012 | 31 Jul 2027 (in 292 days) |
| Barraclough Services Ltd | 2021 | 31 Dec 2026 (in 80 days) |
| BD Bathroom Designs Ltd | 2023 | 30 Sep 2027 (in 353 days) |
| Bradvent Management Services Limited | 2021 | 31 Oct 2027 (in 384 days) |
| Capital Leak Specialist Ltd | 2026 | 20 Dec 2027 (in 434 days) |
| Cole Plumbing, Heating and Gas Services Limited | 2023 | 31 Oct 2026 (in 19 days) |
| Compass Mount Plumbing & Heating Ltd | 2021 | 28 Feb 2027 (in 139 days) |
| Corex Energy Solutions Ltd | 2024 | |
| Dcubed Heating & Cooling Solutions Ltd | 2026 | 14 Jun 2028 (in 611 days) |
| Direct Gas Limited | 2021 | 30 Sep 2027 (in 353 days) |
| Eco Effective Solutions Ltd | 2024 | 31 May 2027 (in 231 days) |
| Elderton Projects Limited | 2015 | 30 Sep 2027 (in 353 days) |
| Fluid Mechanical Services Ltd | 2023 | 31 May 2027 (in 231 days) |
| GM Services 83 Limited | 2023 | 30 Jun 2027 (in 261 days) |
| H2 Heat Limited | 2021 | 31 Dec 2026 (in 80 days) |
| Heat Serv 3 Ltd | 2023 | 30 Jun 2027 (in 261 days) |
| High Class Heating Ltd | 2019 | 31 Mar 2027 (in 170 days) |
| Hurtsworth Mechanical Services Limited | 2025 | 17 Jan 2027 (in 97 days) |
| Jack Croft Oil.Servicing Ltd | 2022 | 31 Oct 2026 (in 19 days) |
| John C. Pickard (Plumbing & Heating) Limited | 1977 | 27 Aug 2027 (in 319 days) |
| K R Martin Ltd | 2007 | 31 Dec 2027 (in 445 days) |
| Lee Knox Plumbing & Heating Ltd | 2024 | 31 Jul 2027 (in 292 days) |
| Lockyer Plumbing and Heating Limited | 2022 | 30 Nov 2026 (in 49 days) |
| M F C Gas and Heating Engineer Ltd | 2017 | 29 Feb 2028 (in 505 days) |
| Mac Air Conditioning and Installation Limited | 2025 | 7 Feb 2027 (in 118 days) |
| Mark Finn Laboratory Furniture Limited | 2018 | 30 Sep 2027 (in 353 days) |
| Norman Atkins Plumbing & Heating Limited | 1984 | 30 Jun 2027 (in 261 days) |
| Northern Mechanical Services Ltd | 2017 | 31 Mar 2027 (in 170 days) |
| Oil-Line Heating Services Limited | 2013 | 31 Dec 2026 (in 80 days) |
| P Johnson Plumbing & Heating Limited | 2025 | 30 Nov 2026 (in 49 days) |
| P.H.V. Systems Limited | 1995 | 31 Jan 2027 (in 111 days) |
| Paul Creighton Plumbing & Heating Ltd | 2016 | 31 Aug 2027 (in 323 days) |
| Pipe Dreams Heating and Plumbing Solutions Ltd | 2011 | 31 Mar 2027 (in 170 days) |
| Premier Gas Eco Ltd | 2018 | 30 Nov 2026 (in 49 days) |
| R & B Mechanical & Electrical Ltd | 2015 | 30 Jun 2027 (in 261 days) |
| Ryan Wilkie Plumbing & Heating Services Limited | 2014 | 31 Dec 2026 (in 80 days) |
| Service 2 (HVAC) Group Limited | 2017 | 31 Dec 2026 (in 80 days) |
| Service 2 (HVAC) Installations Limited | 2017 | 31 Dec 2026 (in 80 days) |
| Service 2 (HVAC) Limited | 2011 | 31 Dec 2026 (in 80 days) |
| Silsden Plumbing & Heating Ltd | 2012 | 31 Jul 2027 (in 292 days) |
| T Cowgill & Sons Limited | 2005 | 31 Oct 2027 (in 384 days) |
| Tony Bindless Plumbing and Mechanical Services Limited | 2015 | 30 Sep 2027 (in 353 days) |
| Water Gas Services Limited | 2011 | 31 Dec 2026 (in 80 days) |