The Lighting Industry is made up of national and international industry organisations, specifiers, manufacturers, designers, retailers, installers, purchasers and users.
The following table lists some of these groups, with their web contact details.
| Website | Organisation Name | Dark Sky Support Ranking |
| International Organisations | ||
| 1. IESNA | The Illuminating Engineering Society of North America | |
| 2. ILE | The Institution of Lighting Engineers | |
| 1. IAEEL | The International Association for Energy Efficient Lighting | |
| National Organisations |