| uklighting.co.uk | UK Lighting Directory |
| plasa.org | Professional Lighting and Sound Association |
| iee.org | Institution of Electrical Engineers ( IEE ) |
| niceic.org.uk | National Inspection Council for Electrical Installation Contracting (NICEIC) |
| lightswitch.co.uk | Energy Efficiency Lightswitch |
| lightingassociation.com | The Lighting Association - Europe's Largest Lighting Association |
| ile.co.uk | Institute of Lighting Engineers (ILE), UK |
| iald.org | International Association of Lighting Designers |
| eca.co.uk | Electrical Contractors Association |
| darksky.org | International Dark-Sky Association (IDA) |