This table was updated on February 12 2010.
| Referee's Name | Grade | |||
| Carreiro, Joe | 5 | |||
| Cutelo, Luis | 5 | |||
| Ferreira, John | 5 | |||
| Martins, Ed | 5 | |||
| Monteiro, Tony *** | 5 | |||
| Tankersly, Alex | 5 | |||
| Bell, Tom | 6 | |||
| Cerjan, Alex | 6 | |||
| Correia, Michael | 6 | |||
| Davia, John | 6 | |||
| DeToy, Steve | 6 | |||
| Gonzalez, Rodrigo | 6 | |||
| Mauricio, Steve | 6 | |||
| Madden, Cullen | 6 | |||
| Morris, Rex | 6 | |||
| Moses, Andrew | 6 | |||
| Toste, Jay | 6 | |||
| Arboleda, Wilman | 7 | |||
| Behbehani, Al | 7 | |||
| Blezard, David | 7 | |||
| Boudjlida, Mahfoud | 7 | |||
| Brailsford, Jim | 7 | |||
| Branco, Tony | 7 | |||
| Carreira, Manny | 7 | |||
| Ciuommo, Louis | 7 | |||
| Clemente, Val | 7 | |||
| Dellabitta, Al | 7 | |||
| Dias, Martinho | 7 | |||
| Duff, Tom | 7 | |||
| Freelove, Mike | 7 | |||
| Lefebvre, David | 7 | |||
| Logan, Jessica | 7 | |||
| Logan, Kirsten | 7 | |||
| McCann, Krista | 7 | |||
| Morris, Andrew | 7 | |||
| Obando, Victor | 7 | |||
| Preiss, Gordon | 7 | |||
| Ricci, Al | 7 | |||
| Ripstein, Norm | 7 | |||
| Shannon, Gerry | 7 | |||
| Sicaju, Amilcar | 7 | |||
| Sisson, Jay | 7 | |||
| Sparks, Susan | 7 | |||
| Sperlongano, Brian | 7 |