By city
London 12Manchester 12Norwich 6Bradford 6Coventry 5Colchester 5Northampton 5Southampton 5Stoke-on-Trent 5Leeds 5Cheltenham 5Liverpool 5Glasgow 5Birmingham 5Nottingham 5Cambridge 4Bristol 4Doncaster 4Cardiff 4Warrington 3Derby 3Peterborough 3Bedford 3Preston 3
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| Fairhurst | Engineering consultant | 4th Floor, 300 Bath St | Glasgow | Mon–Fri 08:30–17:00 |
| Farrow Civil Engineering Ltd | Civil engineering | 7 Mill Ln | Bedford | Mon–Tue 08:30–17:30 |
| G & J Bircham Ltd | Civil engineering | 18 Elm Cl | Norwich | Mon–Fri 08:30–17:00 |
| GMP Projects Limited (Groundworks and Civil Engineering) | Civil engineering | 19 Harwich Rd | Colchester | Mon–Tue 07:30–17:00 |
| Groundworks & Steelworks London Ltd | Civil engineering | 9 Lambton Rd | London | Mon–Fri 08:00–17:00 |
| Hanscomb Intercontinental | Quantity surveyor | Eagle Tower, Montpellier Dr | Cheltenham | Mon–Fri 08:00–17:00 |
| Heneghan & Sons Ltd | Civil engineering | 3 Landmark Ct, Revie Rd | Leeds | Mon–Fri 07:00–17:00 |
| HEXA Consulting Ltd (Sheffield) | Structural engineer | Unit 9, Chaucer Yard, 50 Clough Rd | Sheffield | Mon–Fri 08:30–17:00 |
| HLN Architects Ltd | Engineering consultant | 21 Neptune Ct, Vanguard Way | Cardiff | Mon 08:30–17:00 |
| Hudsons Instruments & Lasers | Laser equipment supplier | 123 Foundry Ln | Southampton | Mon–Thu 08:00–17:00 |
| J Littleton & Co. Ltd | General contractor | Unit 10, Brownhills Business Park, Canal Ln | Stoke-on-Trent | Daily Open 24 hours |
| JAS Engineering | Civil engineering | 14 Cawdor St | Doncaster | Mon–Fri 08:00–18:00 |
| Keskin Structural Engineers | Engineering consultant | 1 Highfield Dr | Preston | Thu 09:00–17:30 |
| Khidr Consultants Ltd | Civil engineering | 112 Morden Rd | London | Daily 09:00–20:00 |
| L Ryan Construction Ltd | Builder | 38 Clarence Rd | Manchester | Mon–Fri 08:00–20:00 |
| M & J Thistlethwaite Earthworks Ltd | Civil engineering | 600 Whittingham Ln | Preston | Mon–Fri 07:00–17:00 |
| M. Lambe Construction Limited | Civil engineering | No.1, The Mint, 94 Icknield St | Birmingham | Mon–Fri 07:30–16:30 |
| M2 Consulting | Consultant | 55 Colmore Row | Birmingham | Daily 09:00–17:00 |
| Mabey Hire - Cardiff | Construction company | Gulf Works Industrial Estate, Penarth Road | Cardiff | Mon–Fri 08:00–17:00 |
| Mabey Hire - Nottingham | Construction equipment supplier | Oakwood Grange, Robinettes Ln | Nottingham | Fri 08:00–17:00 |
| Maltaward Ltd | Civil engineering | Off of, Scott Ln, Bruntcliffe Rd | Leeds | Mon–Tue 08:00–17:30 |
| Manchester Road Surfacing Ltd | Paving contractor | Invar Rd | Manchester | Mon–Fri 08:00–17:00 |
| Mark Leigh Excavations Ltd | Excavating contractor | Mark Leigh Excavations, Tan Yard Brow | Manchester | Mon–Fri 09:00–17:00 |
| MCP Environmental | Asbestos testing service | South Bradford Trading Estate, Spartan Rd | Bradford | Mon–Thu 07:30–17:00 |
| Mirwin Civil Engineering & Building Contractors Ltd | Civil engineering | 27 Whitebrook Rd | Manchester | Mon 08:00–17:00 |
| Mole Groundworks | Excavating contractor | The Old Piggery, Forest Road | Leicester | Mon–Fri 07:30–16:30 |
| National Drilling Services Ltd | Drilling contractor | Unit 24, Haigh Park, Whitehall Industrial Estate | Stockport | Mon–Fri 07:30–17:00 |
| Neary Construction | Civil engineering company | 9 Coal Pit Ln | Manchester | Mon 08:00–17:00 |
| NTB Survey | Surveyor | Elliot House | Manchester | Mon–Fri 08:30–17:30 |
| Pave The Way formby | Paving contractor | Southport Rd | Liverpool | Daily Open 24 hours |