1990 Northern States Natural Grand Prix - NPC
| Overall Winner Johnny Green | |
HeavyWeight | |
| 1 | Howard Barrett |
| 2 | Fred DiMenna |
Light-HeavyWeight | |
| 1 | Johnny Green |
| 2 | Aldona Samuels |
| 3 | Tom Bennett |
MiddleWeight | |
| 1 | Sam Reeves |
| 2 | Tyrone Norfleet |
| 3 | Luis Gutierrez |
LightWeight | |
| 1 | William Marin |
| 2 | Eddie D'Addio |
| 3 | Jeffrey Demarest |
BantamWeight | |
| 1 | Lenny Monteleone |
| 2 | Herman Herrar |
| 3 | Gary Kendig |
Teen | |
| 1 | Craig Bogdenski |
| 2 | Scott Mittelstaat |
| 3 | Andrew Hopkins |