By city
Manchester 4London 3Warrington 2Preston 2Bolton 2Cardiff 2Norwich 2Southampton 1Swindon 1Stockport 1Belfast 1Stoke-on-Trent 1Birmingham 1Leeds 1Edinburgh 1Bristol 1Bradford 1Bedford 1Hull 1Coventry 1Huddersfield 1Northampton 1Glasgow 1Peterborough 1
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| TB Electrics | Solar energy company | COMMUNICATIONS HOUSE, 290 Moston Ln | Manchester | Fri 08:00–17:00 |
| EGG Lighting | Lighting consultant | Challenge House, 29 Canal St | Glasgow | — |
| George Sexton Associates, LLC - Lighting & Museum Design | Lighting consultant | 3B St Andrews Hill | Norwich | — |
| Liteman | Lighting contractor | 28 Maxwell Rd | Peterborough | — |