| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Kevin Stott |
|
21 | 9 | 4 | 8 | 1 | 0 | 0 | 0 |
| Baldomero Toledo |
|
19 | 7 | 6 | 6 | 0 | 2 | 0 | 0 |
| Alex Prus |
|
17 | 9 | 1 | 7 | 2 | 1 | 0 | 0 |
| Jair Marrufo |
|
15 | 7 | 5 | 3 | 1 | 0 | 0 | 0 |
| Ricardo Salazar |
|
15 | 5 | 5 | 5 | 0 | 1 | 0 | 0 |
| Terry Vaughn |
|
14 | 6 | 4 | 4 | 0 | 2 | 0 | 0 |
| Jorge Gonzalez |
|
12 | 3 | 1 | 8 | 0 | 1 | 0 | 0 |
| Mark Geiger |
|
11 | 3 | 4 | 4 | 0 | 1 | 0 | 0 |
| Michael Kennedy |
|
11 | 5 | 1 | 5 | 0 | 0 | 0 | 0 |
| Brian Hall |
|
9 | 4 | 3 | 2 | 0 | 1 | 0 | 0 |
| Edvin Jurišević |
|
9 | 4 | 3 | 2 | 0 | 0 | 0 | 0 |
| Hilario Grajeda |
|
8 | 5 | 0 | 3 | 0 | 0 | 0 | 0 |
| Abiodun Okulaja |
|
8 | 2 | 3 | 3 | 0 | 1 | 0 | 0 |
| Silviu Petrescu |
|
7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
| Tim Weyland |
|
6 | 4 | 2 | 0 | 0 | 1 | 0 | 0 |
| Jasen Anno |
|
4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
| Dave Gantar |
|
4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
| Drew Fischer |
|
3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Geoff Gamble |
|
3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| Richard Heron |
|
3 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Mark Kadlecik |
|
3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Chris Penso |
|
3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| Benito Archundia |
|
2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Carlos Batres |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Elias Bazakos |
|
2 | 0 | 0 | 2 | 0 | 1 | 0 | 0 |
| Juan Guzman |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Ramon Hernandez |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Mauricio Navarro |
|
2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Walter Quesada |
|
2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Sorin Stoica |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Kevin Terry Jr. |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Marcel Yonan |
|
2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
| Héctor Baldassi |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Germán Arredondo |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fotis Bazakos |
|
1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| Elmer Bonilla |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Niko Bratsis |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Courtney Campbell |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Andrew Chapin |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Allen Chapman |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Steven Depiero |
|
1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Matthew Foerster |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Samuel Haro |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Shane Moody |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Roberto Moreno |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| José Carlos Rivero |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Marco Antonio Rodríguez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Augusto St. Silva |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Trevor Taylor |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Armando Villarreal |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
