Below is a current list of registrants.
| Full Name | Company |
|---|---|
| Kevin Houck | Colorado Water Conservation Board |
| Barbara Horton | Town of Castle Rock |
| Patrick Horn | Martin/Martin |
| Craig Hoover | Bohannan Huston, Inc. |
| Jeffrey Holste | Wilson & Company, Inc. |
| Josh Hollon | Kiewit Infrastructure Engineers |
| David Hollingsworth | Retired |
| Chris Hodyl | Jacobs |
| Kyle Hinton | Colorado Springs Utilities |
| Walt Hime | City of Denver |
| Josh Hill | Wood |
| Dan Hill | Respec |
| Chad Hill | CDM Smith |
| Matthew Hickox | Ayres Associates |
| Duane Herring | Contech Engineered Solutions LLC |
| Lisy Henson | City of Commerce City - Public Works |
| Clint Henke | ERO Resources |
| Andrew Hawthorn | City of Westminster |
| Erik Haugen | RTD |
| Glenn Hartmann | Garfield County |
| Danny Harris | City and County of Denver |
| Heidi Hansen | City of Fort Collins |
| Kyle Hamilton | Jacobs |
| Jeremy Hamer | City and County of Denver |
| Ken Haley | City of Fruita |
| Colin Haggerty | Stantec |
| Bryan Gustafson | Ascent Geomatics Solutions |
| Hailey Guglielmo | City of Aspen |
| Carrie Gudorf | Mesa County |
| Eli Gruber | CDM Smith |
| Douglas Groves | City of Fort Collins Utilities |
| Steven Griffin | Colorado Dept of Transportation |
| Peggy Graham | Independent |
| Doug Gossett | City of Longmont |
| Jennifer Goldman | Merrick |
| Robert Glenn | City of Boulder |
| Mary Gilliland | AECOM |
| Penn Gildersleeve | Retired |
| Stuart Gardner | Colorado Dept of Transportation |
| Steve Gardner | City of Aurora |
| Matthew Gardella | Muller Engineering Company |
| Mike Galuzzi | Merrick |
| Judah Gaioni | City of Longmont |
| Amy Gabor | Olsson Associates |
| Tom Fuentes | AECOM |
| Laddie Fromelius | Bio Clean, A Forterra Company |
| Sam Franzen | Dewberry |
| Cameron Fowlkes | City of Louisville |
| Steven Forvilly | City and County of Denver |
| Michael Flynn | Wood |