| LOBBYIST | JANUARY | FEBRUARY | MARCH | SEMI-ANNUAL | ANNUAL |
|---|---|---|---|---|---|
| CALVERT, DEANNE | scanned | scanned | scanned | N/A | scanned |
| CAMERON, ALAN D | scanned | scanned | scanned | N/A | scanned |
| CAMPBELL, ROBERT H | N/A | N/A | N/A | scanned | scanned |
| CANIZALES, GILBERT | scanned | scanned | scanned | N/A | scanned |
| CARLSON, DAVE | scanned | scanned | scanned | N/A | scanned |
| CARTER, CRAIG | scanned | scanned | scanned | N/A | scanned |
| CASE, DAVID | scanned | scanned | scanned | N/A | scanned |
| CASPER, ADREAN | scanned | scanned | scanned | N/A | scanned |
| CH2M HILL —designated lobbyist David Bennion |
scanned | scanned | scanned | N/A | scanned |
| CHADWICK, DANIEL G | scanned | scanned | scanned | N/A | scanned |
| CHANEY, DALLAS | N/A | scanned | scanned | N/A | scanned |
| CHUCKOVICH, DENISE | scanned | scanned | scanned | N/A | scanned |
| CLAIR, JIM | scanned | scanned | scanned | N/A | scanned |
| CLARK, CHARLES G | scanned | scanned | scanned | N/A | scanned |
| COLLINS, PATRICK V | scanned | scanned | scanned | N/A | scanned |
| COLWELL, NEIL V | scanned | scanned | scanned | N/A | scanned |
| COMPTON, MATT | scanned | scanned | scanned | N/A | scanned |
| CONDIE, JOAN | amended | scanned | scanned | N/A | scanned |
| COOLEY, DOUG | scanned | scanned | scanned | N/A | scanned |
| COPE, LARRY W. | N/A | scanned | scanned | N/A | scanned |
| CORBELL II, ROBERT R | scanned | scanned | scanned | N/A | scanned (partial) |
| CRINER, ELIZABETH | scanned | scanned | scanned | N/A | scanned |
| CRUMRINE, JEFFREY C | scanned | scanned | scanned | N/A | scanned |
| CUNNINGHAM, KELLY | scanned | scanned | scanned | N/A | scanned |
| CURLEY, TERRENCE A | scanned | scanned | scanned | N/A | scanned |