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 |
|---|---|---|---|---|
| Peter Dann | Cambridge - Structural & Civil Engineers | Structural engineer | Newton House, Cambridge Rd | Cambridge | Fri 09:00–17:00 |
| Pick Everard | Consultant | Charlotte St | Manchester | Fri 08:45–17:30 |
| PorthouseDean Structural Engineers | Structural engineer | No1, Cubo | Manchester | Mon–Fri 09:00–17:00 |
| RBA Consulting | Civil engineering | Croft View, Brookfield Mews | Doncaster | Mon–Fri 09:00–17:00 |
| Ridgeway Structures Ltd | Steel fabricator | Units 3 - 5, Blackworth Industrial Estate | Swindon | Mon 07:30–16:30 |
| Rightrack Civils Ltd | Drainage service | south enterprise centre, low moor business park | Bradford | Daily Open 24 hours |
| RJ Mcleod (Contractors) Limited | Civil engineering | 2411 London Rd | Glasgow | Mon–Fri 08:00–17:00 |
| Roy Beech Contractors LTD | Civil engineering | North St | Stoke-on-Trent | Mon–Fri 08:00–17:00 |
| Rubix Consulting | Engineering consultant | Binley Business Park, 43, Binley Innovation Centre, Harry Weston Rd | Coventry | Mon–Fri 09:00–17:00 |
| S&D 2011 Ltd | Road construction company | 2 Weddell Way | Northampton | Mon–Fri 07:30–16:30 |
| Sawden & Sons Ltd | Civil engineering company | 16 Ketwell Ln | Hull | Mon–Sat 07:00–18:30 |
| SC Civil & Construction Ltd. | Building restoration service | Bartle House, 9 Oxford Ct | Manchester | Mon–Fri 08:00–18:00 |
| Silicon EC UK Limited | Architect | 60 Commercial Rd | Swindon | Mon–Sat 09:00–17:00 |
| Simple Design Services Partnership | Structural engineer | 183A Botley Rd | Southampton | Mon–Fri 07:00–18:00 |
| Skeletal Consulting Engineers Limited | Structural engineer | 40 Queen Square | Bristol | Mon–Fri 08:00–17:30 |
| Stefan Engineering | Land surveyor | Office 1065, 3 Fitzroy Pl | Glasgow | Mon 08:00–18:00 |
| UK Diving Services Ltd | Diving contractor | 56 Tavistock Pl | London | Daily 01:00–23:00 |
| Urban Flow - Transport Planning Consultants | Urban planning department | 203 Westminster Bridge Rd | London | Mon–Fri 08:00–18:00 |
| Urban Water | Civil engineering company | 5th Floor, 167, 169 Great Portland St | London | Mon–Fri 09:00–17:00 |
| William J Marshall & Partners | Forensic consultant | 43 Palace St | London | Mon–Fri 09:00–17:00 |
| Geotechnical Engineering Ltd Manchester | Geotechnical engineer | Jactin house, 24 Hood St | Manchester | — |
| Ingleton Wood LLP | Building consultant | Business Park, 8 Whiting Rd | Norwich | Mon–Fri 08:30–17:30 |
| Ingleton Wood LLP | Building consultant | 874 The Crescent | Colchester | Mon–Fri 08:30–17:00 |
| Ingleton Wood LLP | Building consultant | Ground Floor, Sherwood Business Park, Geneva I Lake View | Nottingham | Mon–Fri 08:30–17:30 |
| Ramboll | Civil engineering company | 20 Station Rd | Cambridge | Mon–Fri 09:00–17:00 |
| Ramboll | Civil engineering company | 7th Floor, 2 Fitzalan Rd | Cardiff | Mon 09:00–17:00 |
| Ramboll | Civil engineering company | Twenty3, Brunswick Pl | Southampton | Thu 09:00–17:00 |
| Ramboll | Civil engineering company | 4th floor, 125 Princes St. | Edinburgh | Mon–Fri 09:00–17:00 |
| Aden Contracting | Civil engineering | Cambridge Rd | Bedford | Tue–Wed 08:00–17:00 |
| AED | applied engineering design | Structural engineer | 64A Cumberland St | Edinburgh | Mon 08:30–18:00 |