| BLAKE MANUFACTURING TECHNOLOGIES LTD | 17486212 | Gloucester | 28 September 2026 | Active |
| COPPER INGOT CO. LIMITED | 17146426 | Melton Mowbray | 9 April 2026 | Active |
| GLEN CASTINGS LIMITED | 16938067 | Bacup | 31 December 2025 | Active |
| CRUCIBLE FOUNDRY LIMITED | 16821592 | London | 30 October 2025 | Active |
| ORIENT MINERAL PRODUCT CO., LTD | 16727472 | London | 18 September 2025 | Active |
| AB PRECISION LTD | 16707755 | London | 10 September 2025 | Active |
| NEW GENERATION RECYCLING LIMITED | 16576019 | High Wycombe | 11 July 2025 | Not in the latest register snapshot (dissolved or removed) |
| NATURE ELEMENT TECHNOLOGY LTD | 16514485 | London | 12 June 2025 | Active - Proposal to Strike off |
| MPD PRECISION LTD | 16410797 | Claugton | 27 April 2025 | Active |
| POLA METALS LIMITED | 16339460 | Benfleet | 24 March 2025 | Active |
| SMYTIK LIMITED | 16244753 | London | 11 February 2025 | Active |
| RED TEMPLE LTD | 16194084 | Birmingham | 20 January 2025 | Active |
| THORNBURY FORGE & FOUNDRY LTD | 16084835 | Bristol | 18 November 2024 | Active |
| RMS GUIDES & MILL SPARES (UK) LTD | 16027493 | Sheffield | 18 October 2024 | Active |
| RANEFEREF INDUSTRY LIMITED | 16019636 | West Midlands, England | 15 October 2024 | Active |
| AU PROCESSING LTD | 15835422 | London | 12 July 2024 | Active |
| UBA BEARINGS CO., LTD. | 15786577 | Bury St Edmunds | 18 June 2024 | Active - Proposal to Strike off |
| DELIER DELIQUID TECHNOLOGY LIMITED | 15777828 | Manchester | 14 June 2024 | Active - Proposal to Strike off |
| ROMANICHAL METALS & ENVIRONMENTAL MANAGEMENT SOLUTIONS LTD | 15769009 | London | 10 June 2024 | Active |
| AXCESS DOORS CO LIMITED | 15571507 | Beckenham | 17 March 2024 | Active |
| KERLMAN INDUSTRIAL MANUFACTURING CO., LIMITED | 15461232 | London | 2 February 2024 | Active |
| JS CASTINGS LTD | 15457667 | London | 31 January 2024 | Active |
| CASTING & CRAFT SHOP LTD | 15424338 | Sheffield | 18 January 2024 | Active |
| XINHAO NEW MATERIAL CO., LIMITED | 15289615 | Beckenham | 16 November 2023 | Active |
| SGCC TRADING CO., LIMITED | 15289627 | Beckenham | 16 November 2023 | Active |
| SHANGHAI OCEAN MARINE EQUIPMENT CO., LTD | 15280212 | Beckenham | 13 November 2023 | Active |
| TRUSHAPE INVESTMENT CASTING UK LIMITED | 14967088 | Waterlooville | 28 June 2023 | Active |
| SHENZHEN ZHIYAN PRECISION TECHNOLOGY CO., LTD | 14836520 | West Midlands | 1 May 2023 | Active |
| BLAZE (UK) THERMAL TECHNOLOGY CO., LTD | 14815512 | West Midlands | 19 April 2023 | Active |
| HRUITONG MARINE SERVICES CO., LTD | 14660834 | Beckenham | 14 February 2023 | Active |
| MASS INDUSTRIAL LIMITED | 14318437 | Beckenham | 25 August 2022 | Active |
| DANA MOULD LIMITED | 14287748 | Beckenham | 10 August 2022 | Active - Proposal to Strike off |
| MARTICUS LTD | 13935311 | London | 23 February 2022 | Active |
| EITMASTER LIMITED | 13924801 | Cambridge | 18 February 2022 | Not in the latest register snapshot (dissolved or removed) |
| CLASSIC METALS LTD | 13915091 | Slough | 14 February 2022 | Not in the latest register snapshot (dissolved or removed) |
| ART OF A FINE NATURE LTD | 13897559 | Frome | 7 February 2022 | Active |
| KINGDERLI ELEVATOR LIMITED | 13850142 | London | 14 January 2022 | Active |
| BULBECK FOUNDRY LTD | 13677124 | Saffron Walden | 13 October 2021 | Active |
| TECKENTRUP GMBH & CO. LTD | 13627007 | Cambridge | 16 September 2021 | Active |
| METALS GLOBAL TRADING LIMITED | 13586539 | Cardiff | 25 August 2021 | Active - Proposal to Strike off |
| WENZHOU EYSTER GLASSES CO., LTD | 13393951 | Manchester | 13 May 2021 | Active - Proposal to Strike off |
| RAWWATER APPLIED TECHNOLOGY LIMITED | 12656151 | Warrington | 9 June 2020 | Active |
| CASTING & PROCESS SPECIALISTS LIMITED | 12658447 | Worcester | 9 June 2020 | Active |
| ALUMINEX LIMITED | 12406875 | London | 16 January 2020 | Active - Proposal to Strike off |
| CHARD PRECISION CASTINGS LIMITED | 12023013 | Leeds | 29 May 2019 | Active |
| LIQUID METAL SOLUTIONS LTD | 11953310 | Brighton | 18 April 2019 | Active |
| PRIORY CAST PRODUCTS LTD | 11625005 | Kingham | 16 October 2018 | Active |
| HIGHGATE CASTINGS LIMITED | 11586567 | Birmingham | 25 September 2018 | Active |
| WALKER DIECASTINGS HOLDINGS LTD | 11160346 | Birmingham | 19 January 2018 | Liquidation |
| THE FOUNDRYMAN LTD | 10852385 | Swansea Enterprise Park | 5 July 2017 | Active |