| 77 Access Ltd | Builders | TS5 7BJ | 2023 |
| A.Y Civils and Groundworks Ltd | Builders | TS3 7EN | 2024 |
| A1 Hydro-Stop Ltd | Builders | TS3 8NW | 2011 |
| Ab Shutters & Blinds Ltd | Builders | TS3 0EG | 2026 |
| Ac Ndt Inspection Services Ltd | Builders | TS5 5BU | 2023 |
| Ac Scaffolding Services Ltd | Builders | TS5 7BJ | 2024 |
| Access Select Ltd | Builders | TS5 8UN | 2017 |
| Access the Inaccessible Ltd | Builders | TS3 9EB | 2025 |
| Adams J Ltd | Builders | TS3 8PF | 2016 |
| Advanced Industrial Coatings Ltd | Builders | TS5 4BE | 2022 |
| Advanced UK Solutions Ltd | Builders | TS5 4JW | 2022 |
| Am Lifting Services Ltd | Builders | TS3 0HJ | 2025 |
| Ao Rope Services Ltd | Builders | TS3 9HB | 2026 |
| Apl Access Inspection Ltd | Builders | TS5 8RU | 2024 |
| Applebridge Building Services Ltd | Builders | TS3 6AG | 2015 |
| Applebridge Civils Ltd | Builders | TS3 6AG | 2024 |
| Asr Builders Ltd | Builders | TS5 6AH | 2026 |
| Atlas Industrial Management Ltd | Builders | TS5 7BJ | 2019 |
| Axt Industrial Services Ltd | Builders | TS5 7BJ | 2026 |
| B Mac Building Specialists Ltd | Builders | TS3 8TF | 2022 |
| Bac Lifting Ltd | Builders | TS5 5ET | 2025 |
| Barlow Kelly Surfaces Ltd | Builders | TS5 5DL | 2024 |
| Bat Access Ltd | Builders | TS5 7HA | 2026 |
| Beadnell House Contracts Ltd | Builders | TS3 8TF | 2026 |
| Bk Rigging Ltd | Builders | TS5 5HQ | 2024 |
| Bl Constructive Design Ltd | Builders | TS3 6QJ | 2025 |
| Blade Shield Coatings Ltd | Builders | TS3 7BW | 2026 |
| Blossom Safety Services Ltd | Builders | TS5 5LG | 2013 |
| Bm891 Electrics Ltd | Builders | TS3 8JZ | 2026 |
| Bmc Insulation Ltd | Builders | TS3 9RG | 2024 |
| Bnw Renovations Ltd | Builders | TS5 5DD | 2025 |
| Boro Stainless Steel Ltd | Builders | TS4 2EZ | 2022 |
| Bs Contracts Ltd | Builders | TS3 0NR | 2024 |
| Build100 Ltd | Builders | TS3 9JD | 2026 |
| Bwl Site Support Ltd | Builders | TS5 7BJ | 2025 |
| C P Randall Services Ltd | Builders | TS5 8EG | 2013 |
| Caladian Contracts Ltd | Builders | TS5 5PH | 2025 |
| Castle Construction (North East) Ltd | Builders | TS5 6JF | 1997 |
| Castle Homes North East Ltd | Builders | TS5 6JF | 2005 |
| Cf Ropeaccess Ltd | Builders | TS3 8QQ | 2023 |
| Ch Access Ltd | Builders | TS3 0DD | 2019 |
| Ch23 Ltd | Builders | TS5 6HA | 2007 |
| Coakes and Coulson Associates Ltd | Builders | TS5 6HA | 2009 |
| Cons12 Ltd | Builders | TS3 0QL | 2025 |
| Construction Factory Ltd | Builders | TS3 6JD | 2017 |
| Construction People Services Ltd | Builders | TS5 7BJ | 2019 |
| Constructionwithcourtney Ltd | Builders | TS3 8TF | 2023 |
| Coppersquare Roofing Ltd | Builders | TS4 2NB | 2025 |
| D S Rope Access Solutions Ltd | Builders | TS5 7DY | 2015 |
| D-Tag Services Ltd | Builders | TS5 7BJ | 2024 |
| Danmullen Services Ltd | Builders | TS5 4ET | 2025 |
| Danny Buoy Ltd | Builders | TS5 6NE | 2018 |
| Dc Property Solutions Ltd | Builders | TS5 7BJ | 2024 |
| Design Build Space Ltd | Builders | TS5 6HA | 2021 |
| Diocesan Property Management Ltd | Builders | TS5 6QT | 1994 |
| Dlw Project Solutions Ltd | Builders | TS4 3SQ | 2026 |
| Donal Mason Plant Ltd | Builders | TS3 6AG | 2017 |
| Ec Industrial Solutions Ltd | Builders | TS5 7BJ | 2024 |
| Elias Contest Ltd | Builders | TS5 8DG | 2022 |
| Elite Windows & Doors Ne Ltd | Builders | TS5 7AY | 2025 |
| Endeavour Home Improvements and Insulation Specialists Ltd | Builders | TS3 7BQ | 2026 |
| Enhanced Development Solutions Ltd | Builders | TS5 5BX | 2025 |
| Fenk Services Ltd | Builders | TS5 7BJ | 2026 |
| Firetech Safety Solutions Ltd | Builders | TS3 8TF | 2025 |
| Fmh Construction Consultants Ltd | Builders | TS3 8TF | 2021 |
| Fortune Reno Ltd | Builders | TS4 2DZ | 2025 |
| G M Properties (Middlesbrough) Ltd | Builders | TS3 6NF | 2016 |
| G V Decorators Ltd | Builders | TS5 4BE | 2009 |
| G W Solutions Ltd | Builders | TS5 8AH | 2016 |
| Gba (Ne) Ltd | Builders | TS3 8TF | 2025 |
| George Robert Ltd | Builders | TS3 7BQ | 2026 |
| Gittins Rigging Ltd | Builders | TS5 7BJ | 2025 |
| Gold Hands Painting and Decorating Ltd | Builders | TS5 5DL | 2025 |
| Group Industrial Maintenance Ltd | Builders | TS5 7BJ | 2026 |
| Group Industrial Site Services Ltd | Builders | TS5 7DY | 2019 |
| Gutter Rainwater Advisory Supply Service Ltd | Builders | TS5 8HZ | 2010 |
| Hf Services Ltd | Builders | TS3 0BB | 2026 |
| Hi-Line Ceilings Ltd | Builders | TS4 2LS | 2015 |
| Holmes Safety Ltd | Builders | TS3 8TF | 2024 |
| Home and Garden Solutions Ltd | Builders | TS5 5BD | 2025 |
| Home Improvements and Roofing UK Ltd | Builders | TS5 8PP | 2025 |
| Ie Suleman Ne Ltd | Builders | TS5 7AN | 2024 |
| Insulation & Heating Installations Ltd | Builders | TS3 7SF | 2017 |
| International Wind Services Ltd | Builders | TS5 7SH | 2025 |
| J W Scott Engineering Ltd | Builders | TS5 4QN | 2016 |
| J.L.Renovation Ltd | Builders | TS5 4JT | 2023 |
| Jag Mechanical Ltd | Builders | TS5 7SL | 2024 |
| Jaw Lifting Ltd | Builders | TS5 7NQ | 2023 |
| Jbra Ltd | Builders | TS3 8AE | 2026 |
| Jlj Rope Access Services Ltd | Builders | TS5 7DY | 2019 |
| Jm Access Inspection Ltd | Builders | TS5 8FQ | 2025 |
| John Shell Builders Ltd | Builders | TS4 2EZ | 2022 |
| Jon R Stephenson Ltd | Builders | TS5 7BU | 2024 |
| Jpc Ne Ltd | Builders | TS5 8SF | 2020 |
| Jrt Access Ltd | Builders | TS5 7BE | 2025 |
| Jta Construction Sevices Ltd | Builders | TS3 9HG | 2025 |
| Jtjl Ltd | Builders | TS3 7BN | 2025 |
| Jwc Controlled Environment Services Ltd | Builders | TS5 7BJ | 2024 |
| K Brodie Safety Ltd | Builders | TS3 8NS | 2024 |
| Kln Insulation Services Ltd | Builders | TS3 0RG | 2018 |
| Klrk Ltd | Builders | TS3 9PW | 2019 |
| Kris Handynovate Ltd | Builders | TS5 6PL | 2025 |
| L A Construction (Ne) Ltd | Builders | TS4 2EZ | 2023 |
| L M Patton Ltd | Builders | TS5 6HA | 2023 |
| L&K Rope Access Ltd | Builders | TS5 7BJ | 2024 |
| Landlord Refurbs and Maintenance Ne Ltd | Builders | TS5 8FJ | 2025 |
| Larc Rigging & Lifting Ltd | Builders | TS5 8JH | 2023 |
| Ld Gardening Ltd | Builders | TS3 8PP | 2026 |
| Lee Rayson Ltd | Builders | TS3 6DY | 2017 |
| Ljjk Services Ltd | Builders | TS4 2ND | 2025 |
| Llj Construction Solutions Ltd | Builders | TS5 7DY | 2019 |
| Lloyds Pci Property Services Ltd | Builders | TS5 8BZ | 2019 |
| Ltw Bolting Solutions Ltd | Builders | TS3 8TF | 2015 |
| M Judge Services Ltd | Builders | TS3 8TF | 2009 |
| M.H.L.R Services Ltd | Builders | TS5 7LA | 2024 |
| Mam Construction Ltd | Builders | TS3 6JD | 2026 |
| Masterclass Tiling and Plumbing Ltd | Builders | TS5 8TF | 2026 |
| Max Gibb Building Services Ltd | Builders | TS5 7BJ | 2022 |
| Mayaro Tours Ltd | Builders | TS5 5EF | 2026 |
| Melbury Developments (Ne) Ltd | Builders | TS5 7BJ | 2025 |
| Mf Developments (N.E) Ltd | Builders | TS5 8RZ | 2012 |
| Mihtab Holding For Investments Ltd | Builders | TS5 6BU | 2024 |
| Mikekly Ltd | Builders | TS5 4JG | 2026 |
| Mjc Ne Ltd | Builders | TS5 8UW | 2023 |
| Mko Wiharbi Ltd | Builders | TS4 2EZ | 2024 |
| Mmb Project Management Ltd | Builders | TS3 8TF | 2016 |
| Mth Wind Ltd | Builders | TS3 6LA | 2025 |
| Murphy Corporation Ltd | Builders | TS3 6JD | 2018 |
| Murrays Rig Access Ltd | Builders | TS5 4QW | 2019 |
| Musso Developments Ltd | Builders | TS4 3TT | 2024 |
| Mwm Diaconu Ltd | Builders | TS5 5LD | 2017 |
| N Mac Renewables Ltd | Builders | TS4 2LJ | 2025 |
| Nbd Electrical Ltd | Builders | TS5 5EW | 2024 |
| Nc Facilities & Support Services Ltd | Builders | TS3 8LW | 2026 |
| Nexus Group Capital Ltd | Builders | TS5 7BJ | 2025 |
| Nh Builders Ltd | Builders | TS3 6DY | 2025 |
| North East Property Refurbs Ltd | Builders | TS3 6NF | 2025 |
| Nv Hire Ltd | Builders | TS3 0AY | 2026 |
| O&Os Services Ltd | Builders | TS3 9PW | 2026 |
| Oc - Insulations Ltd | Builders | TS3 6JE | 2025 |
| Offshore Rigging & Lifting Services Ltd | Builders | TS5 7BJ | 2019 |
| Oval Management Ne Ltd | Builders | TS5 7BJ | 2026 |
| P & G Rigging Solutions Ltd | Builders | TS3 9NE | 2026 |
| P3z Access Ltd | Builders | TS3 9BW | 2026 |
| Pac Vent Ltd | Builders | TS5 8TL | 2018 |
| Paul Bailes Roofing Ltd | Builders | TS5 4JR | 2024 |
| Pickering & Sons Building Contractors Ltd | Builders | TS5 7BJ | 2026 |
| Pipewelding Inspection Services Ltd | Builders | TS5 7QY | 2012 |
| Pjh Building Services Ltd | Builders | TS5 7BJ | 2023 |
| Pjl Consultancy Ltd | Builders | TS5 8NN | 2022 |