| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | Abacus Lighting Ltd. | lighting consultant | 1 |
| 2 | ÅF Hansen & Henneberg | lighting consultant | 1 |
| 3 | AG Licht Gesellschaft beratender Ingenieure für Lichtplanung | lighting consultant | 8 |
| 4 | Alios, LLC | lighting consultant | 3 |
| 5 | Andromeda International Srl | lighting consultant | 0 |
| 6 | Ann Kale Associates | lighting consultant | 2 |
| 7 | Archillume Lighting Design, Inc. | lighting consultant | 1 |
| 8 | artec3 | lighting consultant | 2 |
| 9 | Art Light Design Consultants,Inc. | lighting consultant | 1 |
| 10 | Arup Lighting | lighting consultant | 10 |
| 11 | Asaf Ben Asher | lighting consultant | 1 |
| 12 | Atelier für Kunst und Technik GmbH | lighting consultant | 1 |
| 13 | Auerbach Pollock Friedlander | lighting consultant | 1 |
| 14 | Austin Collaborative Venture | lighting consultant | 1 |
| 15 | AWA Lighting Designers | lighting consultant | 1 |
| 16 | Baron Sign Manufacturing | lighting consultant | 4 |
| 17 | Bartenbach Licht Labor Ges. mbH | lighting consultant | 8 |
| 18 | Belzner Holmes | lighting consultant | 1 |
| 19 | Bliss Fasman Inc. | lighting consultant | 1 |
| 20 | Bos Lighting Design | lighting consultant | 2 |