Adler Planetarium, Chicago, Illinois, USA
Carlsbad Caverns National Park, Carlsbad, New Mexico, USA
Dark Sky Partners LLC, Tucson, Arizona, USA
Fred Lawrence Whipple Observatory, Smithsonian Astrophysical Observatory, Tucson, Arizona, USA
McDonald Observatory, University of Texas at Austin, Texas, USA
Natural Sounds and Night Sky Division, National Park Service, Fort Collins, USA
Oregon Chapter, International Dark Sky Association, USA
Pacific Northwest National Laboratory, Richland, Washington, USA
Pendoley Environmental Pty Ltd, Perth, Australia
EM Strategies Inc, Reno, Nevada, USA