| Bob Chaney | Shawnee | ks | Approved | 26082 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| J. Kevin Chapman | Mount Prospect | Illinois | Approved | 20786 | Grade 4 Senior (18 and over) | | | | | | | |
| Lynn Christiansen | Middleton | WI | Approved | 20261 | Grade 5 Senior (18 and over) | | | | | | | |
| Wyatt Clarke | Marysville | MI | Approved | 26068 | Grade 5 Senior (18 and over) | Grade 4 | (none) | (none) | (none) | (none) | | |
| William Conroy | Zanesville | Ohio | Approved | 26073 | Grade 5 Senior (18 and over) | (none) | | | | | | |
| Fiona Conway | Cleveland | OH | Approved | 26047 | | | Grade 4 | | | | | |
| Barry Conway | Cleveland | Ohio | Approved | 26026 | (none) | | | | | | Register as an Adjudicator | |
| Rev. Boniface Copelin | EDMOND | OK | Approved | 20861 | Grade 3 | Grade 4 | | | | | | |
| Jack Cossel | Brunswick | ohio | Approved | 26007 | Grade 5 Junior (under 18) | | | | | | | |
| Suzanne Cox | Crystal Lake | Illinois | Approved | 26023 | | Grade 4 | | | | | | |
| Jeff Craig | Cincinnati | Ohio | Approved | 26060 | | | Grade 4 | | | | | |
| Kenneth Cruickshank | Naperville | IL | Approved | 20262 | Grade 1 | Grade 1 | | | | | | |
| Alan Curran | Haskins | OH | Approved | 26034 | Grade 2 | Grade 2 | | | | | | |
| Larry Darnell | St. Louis | MO | Approved | 25023 | Grade 5 Senior (18 and over) | Grade 4 | | | | | | |
| Larry Darnell | St. Louis | MO | Approved | 25023 | Grade 5 Senior (18 and over) | Grade 4 | | | | | | |
| Martha Davis | Des Moines | IA | Approved | 20084 | Grade 3 | Grade 3 | | | | | | |
| John Davis | Burleson | TX | Approved | 20918 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Ken Decker | Columbus | Ohio | Approved | 26053 | | | Grade 2 | | | | | |
| Albert DeFusco | Shelby Township | MI | Approved | 25003 | Grade 1 | Grade 1 | | | | | | |
| Josie Doefer | Howell | MI | Approved | 20020 | Grade 4 Senior (18 and over) | Grade 4 | (none) | (none) | Novice | (none) | | |
| brendan dorsey | lakewood | OH | Approved | 26049 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Andy Douglas | Loveland | Ohio | Approved | 9117 | Grade 1 | Grade 1 | | | | | | |
| David Dwyer | GRAND HAVEN | MI | Approved | 20293 | Grade 4 Senior (18 and over) | | | | | | | |
| Ben Elliot | Mt. Pleasant | Michigan | Approved | 20023 | Open | Open | | | | | | |
| Mark Elliott | New Berlin | WI | Approved | 20330 | Open | Open | | | | | | |
| Arthur Elliott | Louisville | Kentucky | Approved | 20916 | | | Grade 4 | | | | | |
| Sarah Emerick-Craig | Cincinnati | Ohio | Approved | 26045 | | | | Intermediate | | | | |
| Cliff Ermatinger | Waukesha | WI | Approved | 20248 | | Grade 3 | | | | | | |
| Michael Erwin | Pickerington | OH | Approved | 26001 | Grade 3 | Grade 4 | | | | | | |
| Quinn Faith | Willoughby Hills | Ohio | Approved | 26043 | | | Grade 1 | | | | | |
