Below is a current list of registrants.
| Full Name | Company |
|---|---|
| Katie Allen | City and County of Broomfield |
| Christian Thompson | City and County of Broomfield |
| Rebecca Baker | City and County of Broomfield |
| Claudia Vaughan | City and County of Broomfield |
| David Boles | City and County of Denver |
| Jeffrey Williams | City and County of Denver |
| Raul Rodriguez | City and County of Denver |
| Donny Roush | City and County of Denver |
| Ryan Crum | City and County of Denver |
| Sam Stevens | City and County of Denver |
| Walter Hime | City and County of Denver |
| Richard Abeyta | City and County of Denver |
| Selena Klosowski | City and County of Denver |
| Paula Stokes | City and County of Denver |
| Mingi Sohn | City and County of Denver |
| Jon Reynolds | City and County of Denver |
| Henny Debesu | City and County of Denver |
| Jeremy Hamer | City and County of Denver Public Works |
| David Morrisey | City and County of Denver Public Works |
| Kaitlin McCann | City of Arvada |
| S. Justin Forman | City of Aspen |
| Tyler Christoff | City of Aspen |
| Andrea Long | City of Aurora |
| Gustav Slovensky | City of Aurora |
| Janet Bender | City of Aurora |
| Jared Coleman | City of Aurora |
| Matthew Kozakowski | City of Aurora |
| Steve Gardner | City of Aurora |
| Craig Perl | City of Aurora |
| Richard Ommert | City of Aurora |
| Tony Tran | City of Aurora - Aurora Water |
| Scott Kuhna | City of Boulder |
| Erik Saunders | City of Boulder |
| Will Johnson | City of Boulder |
| Candice Owen | City of Boulder |
| Sara DeGroot | City of Boulder |
| Laurel Olsen-Horen | City of Boulder |
| Katie Knapp | City of Boulder |
| Brandon Coleman | City of Boulder |
| Adam Lancaster | City of Canon City |
| Glenda DeBekker | City of Canon City |
| Erin Powers | City of Colorado Springs, Stormwater Enterprise |
| Dan Evans | City of Fort Collins |
| Douglas Groves | City of Fort Collins Utilities |
| Kenneth Haley | City of Fruita |
| Samuel Atkins | City of Fruita |
| Andrew Fisher | City of Greeley |
| Lauren Hillmer | City of Greeley |
| Jeff Arthur | City of Lafayette |
| Jacob James | City of Lone Tree |