- Non Pareil
- Carmel
- Independence
- Monterey
- Butte / Padre
| USDA Grades | Whole Kernels | Min. Diameter (inches) | Dissimilar | Doubles | Chip/ Scratch | Foreign Material | Particles/ Dust | Split/ Broken | Other Defects | Serious Defects | Under Size |
| U.S. Fancy | – | – | 5% | 3% | 5% | 0.05% | 0.1% | 1% | 2% | 1.0% | – |
| Extra No.1 | – | – | 5% | 5% | 5% | 0.05% | 0.1% | 1% | 4% | 1.5% | – |
| U.S. No.1 Supreme | – | – | 5% | 15% | 10% | 0.05% | 0.1% | 1% | 5% | 1.5% | – |
| U.S. Select Sheller Run | – | – | 5% | 15% | 20% | 0.20% | 0.1% | 5% | 3% | 2.0% | – |
| U.S. Standard Sheller Run | – | – | 5% | 25% | 35% | 0.20% | 0.1% | 15% | 3% | 2.0% | – |
| U.S. No.1 Whole & Broken | 30% | 20/64, UOS | 5% | 35% | – | 0.20% | 0.1% | – | 5% | 3.00% | 5% |
| U.S. No. 1 Pieces | – | – | – | – | – | 0.20% | 10% | – | 5% | 3.0% | 5% |
