The activities of the CIE-USNC are supported in part by the contributions of the following sponsors. Click the logo to visit the sponsor’s website:
| GOVERNMENT MEMBERS |
 National Institute of Standards and Technology |
| GOLD LEVEL SPONSORS |
GE Lighting |
 Illuminating Engineering Society of North America |
| OSRAM Sylvania |
| SILVER LEVEL SPONSORS |
 Council for Optical Radiation Measurements (CORM) |
Cree Inc.  |
Gamma Scientific  |
UL  |
| BRONZE LEVEL SPONSORS |
American Optometric Association  |
Bridgelux  |
 California Lighting Technology Center – UC Davis |
Datacolor  |
Hunter Associates Laboratory, Inc. |
 International Association of Lighting Designers |
Intertek  |
Konica Minolta Laboratory US Inc.  |
Lutron Electronics Co., Inc.  |
Musco Sports Lighting  |
Nichia America Corporation  |
 Philips Lighting Company |
 Radiant Vision Systems |
Sun Chemical Corporation  |
Vektrex  |
 World Institute of Lighting and Development |
X-RITE Incorporated  |
| SUSTAINING MEMBERS |
| Institute for Photometry and Radiometry (INPHORA) |