| 147 Construction Ltd | Builders | PL6 8LT | 2016 |
| 4d Civil Engineering Surveying Ltd | Builders | PL4 0SJ | 2004 |
| A Hilton Consultancy Ltd | Builders | PL4 6HH | 2016 |
| A Preston Building Services Ltd | Builders | PL6 5WR | 2024 |
| A&D Installations Ltd | Builders | PL6 5WR | 2024 |
| A.A.M Transport Ltd | Builders | PL4 8BP | 2026 |
| A1 Developments (Sw) Ltd | Builders | PL3 4BB | 2024 |
| A2b Fencing Solutions Ltd | Builders | PL6 8DS | 2021 |
| Aa Construction & Carpentry Ltd | Builders | PL5 1NT | 2026 |
| Abmaritime Ltd | Builders | PL6 8LT | 2025 |
| Accomplished Plumbing & Bathrooms Ltd | Builders | PL5 2PN | 2024 |
| Acs Fire Alarms Ltd | Builders | PL4 7PX | 2018 |
| Adf Plastics Ltd | Builders | PL6 7TL | 2008 |
| Advanced Construction 360 Ltd | Builders | PL5 1DW | 2025 |
| Adz Property Developments Ltd | Builders | PL5 2AX | 2025 |
| Aerial Contact Ltd | Builders | PL5 4HH | 2019 |
| All At Sea Ltd | Builders | PL6 6AT | 2016 |
| Allen Welding Ltd | Builders | PL3 4EE | 1999 |
| Amber Body Construction (Plymouth) Ltd | Builders | PL4 0QQ | 2015 |
| Apex Home Developments Ltd | Builders | PL6 6SW | 2023 |
| Apples and Pears Property Care Ltd | Builders | PL4 6HH | 2022 |
| Ar Carpet and Flooring Specialists Ltd | Builders | PL6 5ZD | 2024 |
| Arborcure Building Maintenance Ltd | Builders | PL6 5ZD | 2025 |
| Base Property Support Ltd. | Builders | PL6 7EZ | 2019 |
| Bc Building Services (South West) Ltd | Builders | PL6 8LR | 2015 |
| Bdm Fenestrations Ltd | Builders | PL6 6BJ | 2025 |
| Bolt Carpentry and General Builder Ltd | Builders | PL6 5ZD | 2026 |
| Breckland Development Ltd | Builders | PL4 8JY | 2019 |
| Broadoak Construction (Devon) Ltd | Builders | PL6 5ZD | 2008 |
| Buildx (Group) Ltd | Builders | PL6 5DS | 2022 |
| Buildx (Sw) Ltd | Builders | PL6 5DS | 2020 |
| Burton'S Sentry Ltd | Builders | PL4 7LD | 2018 |
| C P Naval Ltd | Builders | PL4 8LA | 2026 |
| Carbon Saving Group Ltd | Builders | PL4 0EG | 2015 |
| Carbon Saving Group Retail Ltd | Builders | PL5 3FR | 2021 |
| Carrier Controls Ltd | Builders | PL6 7DB | 2005 |
| Cattedown Regeneration Ltd | Builders | PL4 0SJ | 1995 |
| Claddeck Ltd | Builders | PL4 0ST | 2023 |
| Classic Mouldings By Lee Vanstone Ltd | Builders | PL4 0SJ | 2020 |
| Classic Plant Ltd | Builders | PL6 7PL | 2013 |
| Coast Investments (South West) Ltd | Builders | PL4 8JY | 2014 |
| Comet Insulation Ltd | Builders | PL6 7TL | 2019 |
| Complete Damp Proofing Sw Ltd | Builders | PL4 0LP | 2025 |
| Complete Maintenance Southwest Ltd | Builders | PL4 0LP | 2020 |
| Connections Carpentry & Construction Ltd | Builders | PL4 0SJ | 2021 |
| Construcx Ltd | Builders | PL5 3LL | 2024 |
| Core Compliance Ltd | Builders | PL3 4DT | 2024 |
| Cornerstone Homes Southwest Ltd | Builders | PL6 7AE | 2025 |
| Cornflower Kitchens & Bathrooms Ltd | Builders | PL5 1HN | 2024 |
| Cranheath Transport Ltd | Builders | PL5 3LR | 1986 |
| Crb Building Services Ltd | Builders | PL4 0LE | 2024 |
| Creative Construction Residential Ltd | Builders | PL4 0SJ | 2022 |
| Curious Carpentry Ltd | Builders | PL6 5WR | 2023 |
| Custom Building Services Ltd | Builders | PL6 7TL | 2017 |
| D Jeffery Groundworks & Utilities Ltd | Builders | PL6 8XF | 2021 |
| D W Brickworks Ltd | Builders | PL6 5WR | 2015 |
| D&M Construction Sw Ltd | Builders | PL3 6DH | 2024 |
| D.F.R. Roofing Ltd | Builders | PL3 4NU | 1997 |
| Da & Son Construction Ltd | Builders | PL4 9JH | 2024 |
| Dats Carpentry Ltd | Builders | PL6 8NP | 2019 |
| Daw and Sons Building Contractors Ltd | Builders | PL6 5ZD | 2026 |
| Dc Energy (Sw) Ltd | Builders | PL4 0SJ | 2017 |
| Dc Lifts Ltd | Builders | PL6 7QS | 2015 |
| Deer Park Road Trading Ltd | Builders | PL4 6HH | 2017 |
| Delta Construction (Sw) Ltd | Builders | PL4 8DW | 2019 |
| Demco Builders Ltd | Builders | PL6 8NP | 2017 |
| Devon & Cornwall Property & Facilities Solutions Ltd | Builders | PL5 4HB | 2019 |
| Devonport Construction Ltd | Builders | PL4 8JY | 2005 |
| Dhbc Consult Ltd | Builders | PL6 8LT | 2014 |
| Diggit Ltd | Builders | PL6 5ZD | 2014 |
| Discover Folley Ltd | Builders | PL6 7JZ | 2006 |
| Dko Investments Ltd | Builders | PL3 4DT | 2025 |
| Dnh Construction Ltd | Builders | PL4 6HH | 2002 |
| Doorcare South West Ltd | Builders | PL6 7AE | 2003 |
| Drake Fire Doors Ltd | Builders | PL3 4BB | 2026 |
| Ds Brickwork Ltd | Builders | PL5 3PB | 2013 |
| Ds Building Services Sw Ltd | Builders | PL5 3PB | 2024 |
| Dt Plastics Ltd | Builders | PL6 5WR | 2012 |
| Dw Drylining Ltd | Builders | PL6 5WR | 2026 |
| E A Grey Construction and Plant Hire Ltd | Builders | PL6 8LT | 2015 |
| Eco Space (South West) Ltd | Builders | PL3 4EE | 2007 |
| Ecovent Systems Ltd | Builders | PL6 7TL | 2024 |
| Eden Carpentry Ltd. | Builders | PL6 5WR | 2016 |
| Edwards Stone Masons Ltd | Builders | PL4 0SJ | 2021 |
| Egan Rush Holdings Ltd | Builders | PL6 7DD | 2019 |
| Ehk Surface Repairs Ltd | Builders | PL3 4HW | 2017 |
| Electricraft Ltd | Builders | PL4 9BQ | 2025 |
| Elite Complete Property Services Ltd | Builders | PL6 5ZD | 2013 |
| Elliott Developments Sw Ltd | Builders | PL3 4DT | 2020 |
| Ellis Development Services Ltd | Builders | PL6 5ZD | 2025 |
| Emi Property Maintenance Ltd | Builders | PL4 6PT | 2025 |
| Euro Lifts Ltd | Builders | PL6 7FH | 1989 |
| Fast Tradesman Interiors Ltd | Builders | PL6 6JS | 2018 |
| Fayoumi Construction Ltd | Builders | PL4 9PD | 2023 |
| Firntec Ltd | Builders | PL6 7TL | 2021 |
| First Approach Paving Ltd | Builders | PL6 8LT | 2017 |
| Fixus Facilities Ltd | Builders | PL6 7FH | 2009 |
| Frayne Construction Services Ltd | Builders | PL6 7TL | 2015 |
| Freydex Ltd | Builders | PL6 6SA | 2024 |
| G W Trowels Ltd | Builders | PL5 2QE | 2022 |
| Galesend Ltd | Builders | PL6 7AP | 2017 |
| Gmr Building Services Ltd | Builders | PL6 5WR | 2009 |
| Goose & Gandy Holdings Ltd | Builders | PL6 7FH | 2020 |
| Gorilla Construction Sw Ltd | Builders | PL4 8SP | 2019 |
| Gpq Consulting Ltd | Builders | PL6 5WR | 2024 |
| Gr Westform Ltd | Builders | PL4 9EG | 2020 |
| Ground Gas Protection Ltd | Builders | PL4 0HP | 2024 |
| Gtek Construction Ltd | Builders | PL6 5WR | 2019 |
| Guiton'S Garage Doors & Gates Ltd | Builders | PL6 5WR | 2025 |
| Harbourside Huts Ltd | Builders | PL3 4PX | 2021 |
| Harvella Builders Ltd | Builders | PL6 5WR | 2017 |
| Hattam Carpenters Ltd | Builders | PL6 8LR | 2014 |
| Hex 360 Ltd | Builders | PL6 5QR | 2017 |
| Hex 360 Project Management Ltd | Builders | PL6 5QR | 2018 |
| High-Tech Services Ltd | Builders | PL4 8JY | 2000 |
| Home Improvements South West Ltd | Builders | PL6 7FB | 2023 |
| Hunter Banks Ltd | Builders | PL6 5WR | 2026 |
| Icc Integrated Consumer Consultants Ltd | Builders | PL4 0EA | 2006 |
| Infinite Fire Systems Ltd | Builders | PL6 8LT | 2026 |
| Interlock Brickwork Ltd | Builders | PL3 4DT | 2019 |
| J & D Bricklaying Contractors Ltd | Builders | PL6 8LT | 2005 |
| J J Security & Maintenance Ltd | Builders | PL3 4BB | 2018 |
| J Keating Ltd | Builders | PL6 5ZD | 2026 |
| J&K Roofing & Building Maintenance Ltd | Builders | PL5 2AX | 2025 |
| J.A. Sharland Ltd | Builders | PL4 0EA | 2003 |
| Jack Stoneman Scaffolding Ltd | Builders | PL5 2EY | 2014 |
| Jackman Sw Ltd | Builders | PL5 3LT | 1996 |
| Jay'S Building & Renovations Ltd | Builders | PL6 5WR | 2025 |
| Jdp 1337 Ltd | Builders | PL5 1PP | 2020 |
| Jfb Brickworks Ltd | Builders | PL6 7TL | 2023 |
| Jmrc Construction Services Ltd | Builders | PL5 3PU | 2024 |
| Jonathan Case Builders & Contractors Ltd | Builders | PL6 8LT | 2007 |
| Jrj Plant Ltd | Builders | PL3 4ER | 2018 |
| Jww Ltd | Builders | PL6 6HF | 2022 |
| Karris Ltd | Builders | PL6 7TL | 2003 |
| Kb Carpentry and Joiners Ltd | Builders | PL5 1FE | 2025 |
| King Property Maintenance Ltd | Builders | PL4 7NW | 2025 |
| Klb Cleaning and Garden Maintenance Ltd | Builders | PL5 4PX | 2026 |
| Kn Cladding Solutions Ltd | Builders | PL6 5ZD | 2018 |
| Kook Interiors Ltd | Builders | PL6 5XR | 2019 |
| Kt Construction (Sw) Ltd | Builders | PL4 0SJ | 2018 |
| L A K Carpentry Services Ltd | Builders | PL6 7PS | 2026 |
| L&S Home Improvements (Sw) Ltd | Builders | PL6 5ZD | 2026 |
| Landmark Window Systems Ltd | Builders | PL6 5BX | 2004 |
| Lc Group (Sw) Ltd | Builders | PL6 5WR | 2025 |
| Lcr.Rigging Ltd | Builders | PL5 3TS | 2026 |
| Lita Formwork & Construction Ltd | Builders | PL4 8HT | 2026 |
| Lords Pinnacle Group Ltd | Builders | PL6 5WR | 2021 |
| Lucky Fox Ltd | Builders | PL6 5ZD | 2012 |
| Lugar Construction Ltd | Builders | PL6 8LT | 2001 |