| 2d Building Contractors Ltd | Builders | CF72 9DZ | 2010 |
| Abney Construction Ltd | Builders | CF71 7AB | 2003 |
| Action Building Solutions Ltd | Builders | CF72 9PJ | 2021 |
| Anthony O'Sullivan Ltd | Builders | CF71 7AB | 2004 |
| Apw Facilities Ltd | Builders | CF72 8DN | 2009 |
| Artisanal Homes Ltd | Builders | CF72 9EW | 2024 |
| Artwork With Aluminium and Glass Ltd | Builders | CF72 9QH | 2019 |
| Ashfield Building Contractors Ltd | Builders | CF72 8NG | 2013 |
| Au Interiors Ltd | Builders | CF72 4AH | 2026 |
| Autolex Ltd | Builders | CF71 7JG | 2007 |
| Bailey Construction & Civils Ltd | Builders | CF72 8GA | 2008 |
| Barcombe Commercial & Property Services Ltd | Builders | CF72 9RG | 2026 |
| Blu-Tect Construction Ltd | Builders | CF71 7DP | 2026 |
| Brooks Carpentry & Construction Ltd | Builders | CF72 8FE | 2020 |
| Bus Shelters Ltd. | Builders | CF71 7GQ | 1984 |
| C L M Construction Ltd | Builders | CF71 7DP | 1990 |
| C P Civil Engineering (UK) Ltd | Builders | CF72 9EZ | 2012 |
| C.Greening Carpentry & Property Maintenance Ltd | Builders | CF71 7AB | 2020 |
| Chamberlain Electrical & Technical Services Ltd | Builders | CF71 7BA | 2015 |
| Channel Drylining Ltd | Builders | CF72 9BG | 2016 |
| Cjc Scenic Services Ltd | Builders | CF71 7QW | 2018 |
| Clear Construct Ltd | Builders | CF71 7AB | 2012 |
| Clive Edwards Contracts Ltd | Builders | CF71 7NL | 2013 |
| Cme Construction Ltd | Builders | CF72 9RW | 2019 |
| Composite Doors Bristol Ltd | Builders | CF72 9ES | 2022 |
| Country Timbers Ltd | Builders | CF72 8LP | 2021 |
| D J Reynolds Builders Ltd | Builders | CF72 8GA | 2005 |
| David Davies Construction Management Ltd | Builders | CF72 8EU | 2018 |
| Denrose Projects Ltd | Builders | CF71 7US | 2007 |
| Eagle Contractors Ltd | Builders | CF72 8BY | 2019 |
| Ean Construction Services Ltd | Builders | CF72 9ZG | 2019 |
| Ecofit Energy Systems Ltd | Builders | CF72 8TH | 2011 |
| Ecostructive Ltd | Builders | CF72 9DH | 2017 |
| Element Surfacing Ltd | Builders | CF72 8NG | 2020 |
| Elite Carpentry (Wales) Ltd | Builders | CF72 8NF | 2014 |
| Elite Construction Solutions Ltd | Builders | CF72 9WQ | 2016 |
| Falco Building Solutions Ltd | Builders | CF72 9TQ | 2024 |
| Flag Alpha Diving Consultancy Ltd | Builders | CF72 8JR | 2024 |
| Forest Wood Welding and Fabrication Ltd | Builders | CF72 9XD | 2025 |
| Gallaghers Contractors Services Ltd | Builders | CF71 7AB | 2009 |
| Gilheaney Construction Ltd | Builders | CF72 8LQ | 1998 |
| Glamorgan White Lining Ltd | Builders | CF71 7LT | 1999 |
| Green Asset Solutions Ltd | Builders | CF72 8AF | 2013 |
| Greening Construction Ltd | Builders | CF71 7AB | 2023 |
| Ground Up Building Contractors Ltd | Builders | CF72 9TH | 2024 |
| Ground Up Maintenance Ltd | Builders | CF72 9JF | 2026 |
| Gujon Interior Services Ltd | Builders | CF72 8NQ | 2024 |
| Hal Living Ltd | Builders | CF72 8NG | 2019 |
| Hal Properties Ltd | Builders | CF72 8NG | 2014 |
| Harding Roofing and Construction Ltd | Builders | CF72 9SB | 2025 |
| Hg&Rg Ltd. | Builders | CF71 7EB | 2009 |
| Hides Marine Ltd | Builders | CF72 8NG | 2014 |
| Highadmit Interiors Ltd | Builders | CF72 8AJ | 2023 |
| Highadmit Projects Mechanical Ltd | Builders | CF72 8AJ | 2022 |
| Hoe Property Developments Ltd | Builders | CF72 9PT | 2005 |
| Houston Shutters Ltd | Builders | CF71 7AB | 2021 |
| Ian Williams Carpentry Ltd | Builders | CF72 9DZ | 1999 |
| Index Waterproofing Technology UK Ltd | Builders | CF72 8AQ | 2010 |
| Insideout Trading Ltd | Builders | CF71 7HD | 2021 |
| J Langdon Developments Ltd | Builders | CF72 9PD | 2026 |
| Jlc Drylining Ltd | Builders | CF72 8JB | 2022 |
| Jm Construction Workers Ltd | Builders | CF72 9SG | 2025 |
| Jordan Civils (Wales) Ltd | Builders | CF72 8LF | 2012 |
| Joshua Stratford Health & Safety Ltd | Builders | CF72 4AS | 2024 |
| K & C Pearce Ltd | Builders | CF72 9EW | 2014 |
| Kerry Jenkins Roofing Ltd | Builders | CF72 9SQ | 2022 |
| Keystone Consulting Engineers Ltd | Builders | CF71 7EE | 2012 |
| L W H Construction Ltd | Builders | CF72 9LA | 2003 |
| Ledley Engineering Ltd | Builders | CF71 7PF | 1971 |
| Lewis Homes ( Meadow View) Ltd | Builders | CF71 7EE | 2022 |
| Lewis Homes (South Wales) Ltd | Builders | CF71 7EE | 2005 |
| Lomax Facility Solutions Ltd | Builders | CF72 9PD | 2024 |
| M.J. Sullivan Plasterers Ltd | Builders | CF71 7AB | 2006 |
| Mark Godwin Bricklaying Contractors Ltd | Builders | CF71 7AB | 2002 |
| Matthew David Property Services Ltd | Builders | CF71 7AB | 2023 |
| Medusa Construction Cosmetics Ltd | Builders | CF72 9TL | 2012 |
| Miskin Glazing Ltd | Builders | CF72 8QU | 2026 |
| Mrc Carpentry & Renovations Ltd | Builders | CF72 8JB | 2025 |
| Msf Building Ltd | Builders | CF72 9SJ | 2017 |
| Mytrusteebuilder Ltd | Builders | CF72 9BJ | 2021 |
| Nailed It! Building Services Ltd | Builders | CF72 8NG | 2023 |
| Nautilus Concrete & Flooring Ltd | Builders | CF72 9DZ | 2023 |
| Nautilus Roofing & Exteriors Ltd | Builders | CF72 9DZ | 2013 |
| O & S Groundworks Ltd | Builders | CF72 8EB | 2022 |
| Ourd Holdings Ltd | Builders | CF72 8EF | 2019 |
| P.A. Stockton Brickwork Contractors Ltd | Builders | CF71 7AB | 2001 |
| P.J. Saunders Ltd | Builders | CF72 9DY | 1984 |
| Peterson-Super-Ely Development Ltd | Builders | CF71 7AZ | 2025 |
| Plwca Developments Ltd | Builders | CF71 7UL | 2007 |
| Pm Properties 1 Ltd | Builders | CF71 7PB | 2026 |
| Ppm Home Improvements Ltd | Builders | CF72 8AW | 2026 |
| Precision Property & Vehicle Services Ltd | Builders | CF72 9TQ | 2025 |
| Pro Point Group Ltd | Builders | CF72 4AB | 2025 |
| R&K Building Construction Ltd | Builders | CF72 9FW | 2025 |
| Regen Construction Group Ltd | Builders | CF72 9ES | 2023 |
| Resin Bound Maintenance Ltd | Builders | CF72 8NG | 2025 |
| Rickythebricky Ltd | Builders | CF72 8FE | 2025 |
| Rookswood Ltd | Builders | CF72 9UB | 2013 |
| Rrooms Ltd | Builders | CF72 8NG | 2020 |
| Scott Thomas Brickwork Ltd | Builders | CF72 9TU | 2026 |
| Shoots & Roots Landscaping Ltd | Builders | CF72 8NQ | 2019 |
| Sj Flower the Building Company Ltd | Builders | CF72 9DD | 2011 |
| Skill-Fix Interiors Ltd | Builders | CF72 4AL | 2007 |
| South Wales Log Burners Ltd | Builders | CF72 9SD | 2021 |
| Standby Construction Ltd | Builders | CF71 7NT | 2005 |
| Stuart Smith Building Solutions Ltd | Builders | CF72 9QE | 2016 |
| The Performance Company (Cardiff) Ltd | Builders | CF71 7PF | 2007 |
| Tk Developments Ltd | Builders | CF72 8NE | 1985 |
| Tpc Architectural Ltd | Builders | CF71 7PF | 2014 |
| Trivett Contracting Ltd | Builders | CF71 7AB | 2024 |
| Ty Laurel Ltd | Builders | CF71 7EG | 2020 |
| Urban Recreation Ltd | Builders | CF71 7QJ | 2026 |
| Valco Ltd | Builders | CF72 9FG | 2002 |
| Vale Holdings Sw Ltd | Builders | CF71 7QW | 2023 |
| Vent-Ways Ltd | Builders | CF72 9QH | 2026 |
| We Cre8 Interiors Ltd | Builders | CF72 4AH | 2021 |
| Willbury Homes Ltd | Builders | CF72 9RP | 2023 |