1. American Southwest Ichthyological Researchers, LLC, 800 Encino Place NE, Albuquerque, NM 87102 (EIG, WHB, ALB, SPP)
2. BIO-WEST, Inc., 1063 West 1400 North, Logan, UT 84321 (RBK, BCA)
3. United States National Park Service, Grand Canyon National Park, 1824 South Thompson Street, Flagstaff, AZ 86001 (BDH, ECOS)
4. United States Bureau of Reclamation, Lower Colorado River Multi-Species Conservation Program, P.O. Box 61470, LC-8000, Boulder City, NV 89006 (JRS)
5. United States Bureau of Reclamation, Upper Colorado Region, 125 South State Street, Salt Lake City, UT 84138 (MCM)