Below is a current list of registrants.
| Full Name | Company |
|---|---|
| Kallie Bauer | Colorado Division of Water Resources |
| Colin Barry | Enginuity Engineering Solutions |
| Frank Barnes | Winters Excelsior |
| Adam Bappe | Triton Environmental |
| Casey Bangs | CASFM Scholarship Recipient |
| Garrett Bales | JR Engineering |
| Rebecca Baker | City and County of Broomfield |
| Peggy Bailey | Tetra Tech |
| Samuel L. Atkins | City of Fruita |
| Shantha Athalage | First Concept Inc. |
| Jeff Arthur | City of Boulder |
| Tim Anderson | Contech Engineered Solutions LLC |
| Russ Anderson | Michael Baker International |
| Paul Anderson | CDM Smith |
| Ian Anderson | Matrix Design Group |
| Brad Anderson | Anderson Consulting Engineers, Inc. |
| Lee Alverson | City of Commerce City - Public Works |
| Jose Alvarado | City of Boulder |
| Anthony Alvarado | Ayres Associates |
| Katie Allen | City and County of Broomfield |
| Isaac Allen | AECOM |
| John Ahern | Jacobs |
| Riley Adams | S2o Design and Engineering |
| John Adair | City of Colorado Springs, Water Resources Engineering |
| Pam Acre | City of Northglenn |
| Rick Abeyta | City of Denver |