By city
London 5Preston 4Manchester 4Bradford 4Leeds 4Newcastle upon Tyne 4Birmingham 4Cardiff 3Northampton 3Peterborough 3Leicester 3Nottingham 3Coventry 3Warrington 2Belfast 2Hull 2Sheffield 2Bedford 2Liverpool 2Derby 1Glasgow 1Norwich 1Cheltenham 1Swindon 1
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| Xenon Utilities | Utilities contractor | Ellis Ashton St | Liverpool | Mon Open 24 hours |
| AIS Utilities - Utility Connections, Utility Installations | Utilities contractor | 1 Landor Rd | London | — |
| Argon Utility Infrastructure Ltd | Utilities contractor | Brunel House, 61 Brunel Rd | Bedford | — |
| Catalyst Digital Energy | Energy advisory service | Third Floor, Two, Paradise Circus, Chamberlain Sq | Birmingham | — |
| EEMU | Utilities contractor | Mill House, Dovecote Court, Pingle Ln | Leicester | — |
| Harmony Electrical | Utilities contractor | 140 Broadway | Peterborough | — |
| Octane Solutions | Utilities contractor | 4 Stockwell Park Walk | London | — |
| Resolve Energy | Utilities contractor | Walker House Exchange Flags | Liverpool | — |
| Smarta Energy Ltd | Energy supplier | Building 3, Workwell Office, Selby Rd | Leeds | — |
| SOC Electrical | Utilities contractor | 5 Heron Dr | Nottingham | — |
| Zenergi | Utilities contractor | Benham Campus, University of, Science Park, 5 Benham Rd | Southampton | — |