1,697 registered lobbyists
| Name | Clients | Expenditures |
|---|---|---|
| Cathy Tang | 1 | -- |
| Catrin Thorman Wigfall | 1 | -- |
| Cecil Smith | 1 | -- |
| Celeste Flynn | 1 | -- |
| Cesar Fernandez | 1 | -- |
| Chad Dunkley | 1 | -- |
| Chad Fahning | 6 | -- |
| Chad Randick | 1 | -- |
| Charles Carlson | 1 | -- |
| Charles Dykstera | 1 | -- |
| Charles Holtman | 2 | -- |
| Charles M Allen | 1 | -- |
| Charles Peterson | 1 | -- |
| Charles Sawyer | 1 | -- |
| Charles Sutton | 1 | -- |
| Charlie Barba-Cook | 1 | -- |
| Chas Anderson | 35 | -- |
| Chelsey Olson | 1 | -- |
| Cheryl Riley | 1 | -- |
| Chirstopher Barthol | 1 | -- |
| Chloe King | 1 | -- |
| Chris Duffrin | 1 | -- |
| Chris Kunkle | 1 | -- |
| Chris P Georgacas | 7 | -- |
| Chris Tiedeman | 1 | -- |