| IMS Building Solutions | Construction Group | 22 Howard Business Park Howard Close, Waltham Abbey, Waltham Abbey |
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| QC Construction Group Ltd | Construction Group | Avebury House 55 Newhall Street, Birmingham, Birmingham |
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| Adenstar Construction Group | Construction Group | New Sussex House, Portslade, Portslade |
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| Gallifordtry | Construction Group | 51 Melville St, Edinburgh, Edinburgh |
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| Skanska | Construction Group | Maple Cross House Maple Cross, Rickmansworth, Maple Cross |
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| Hall Construction Group | Construction Group | Clay Street, Hull, Hull |
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| R B Construction Group | Construction Group | 23 Victoria Gardens, Burgess Hill, Burgess Hill |
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| Hambling Construction Group | Construction Group | Hindle Street, Accrington, Accrington |
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| The Buildwise Construction Group | Construction Group | Hurtmore Heights Commercial Centre Hurtmore Rd Unit 6-7, Hurtmore |
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| Galliford Try Infrastructure | Construction Group | Singleton House Charter Court Phoenix Way, Swansea, Swansea |
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| R S Builders | Construction Group | 9, Colliford Close, Priorslee,, Telford, Telford |
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| Subcon Laser | Construction Group | Bermuda Road, Nuneaton, Nuneaton |
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| Electrod Uk | Construction Group | Unit 2 Unit 2 Ashville Industrial Estate Clifton Lane Sutton Wea, Runcorn, Runcorn |
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| Cube Recruitment | Construction Group | Unit 13 Stanley Green Trading Estate, Handforth Dean, Dean |
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| Russell Geotech | Construction Group | Chobham Business Centre Chertsey Road, Chobham, Chobham |
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| Aquila Stone | Construction Group | 6 Nickols Walk, |
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| Bridgeway Construction | Construction Group | 78 Lavender Avenue, |
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| Armouring Steel | Construction Group | PO Box 360 Doles Lane, Leyland, Leyland |
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| E2 Architecture + Interiors Ltd | Construction Group | 27, Holywell Row, London, London |
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| Rock Support | Construction Group | Downley Road Naphill, Rode |
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