| L | A | Agricultural and Related Service Industries |
| L | 01 | Agricultural Industries |
| L | 011 | Livestock Farms (except Animal Specialties) |
| L | 0111 | Dairy Farms |
| L | 0112 | Cattle Farms |
| L | 0113 | Hog Farms |
| L | 0114 | Poultry and Egg Farms |
| L | 0115 | Sheep and Goat Farms |
| L | 0119 | Livestock Combination Farms |
| L | 012 | Other Animal Specialty Farms |
| L | 0121 | Honey and Other Apiary Product Farms |
| L | 0122 | Horse and Other Equine Farms |
| L | 0123 | Furs and Skins, Ranch |
| L | 0129 | Other Animal Specialty Farms n.e.c. |
| L | 013 | Field Crop Farms |
| L | 0131 | Wheat Farms |
| L | 0132 | Small-Grain Farms (except Wheat) |
| L | 0133 | Oilseed Farms (except Corn) |
| L | 0134 | Grain Corn Farms |
| L | 0135 | Forage, Seed and Hay Farms |
| L | 0136 | Dry Field Pea and Bean Farms |
| L | 0137 | Tobacco Farms |
| L | 0138 | Potato Farms |
| L | 0139 | Other Field Crop Farms |
| L | 014 | Field Crop Combination Farms |
| L | 0141 | Field Crop Combination Farms |
| L | 015 | Fruit and Other Vegetable Farms |
| L | 0151 | Fruit Farms |
| L | 0152 | Other Vegetable Farms |
| L | 0159 | Fruit and Vegetable Combination Farms |
| L | 016 | Horticultural Specialties |
| L | 0161 | Mushrooms |
| L | 0162 | Greenhouse Products |
| L | 0163 | Nursery Products |
| L | 0169 | Other Horticultural Specialties |
| L | 017 | Livestock, Field Crop and Horticultural Combination Farms |
| L | 0171 | Livestock, Field Crop and Horticultural Combination Farms |
| L | 02 | Service Industries Incidental to Agriculture |
| L | 021 | Services Incidental to Livestock and Animal Specialties |
| L | 0211 | Veterinary Services |
| L | 0212 | Farm Animal Breeding Services (except Poultry) |
| L | 0213 | Poultry Services |
| L | 0219 | Other Services Incidental to Livestock and Animal Specialties |
| L | 022 | Services Incidental to Agricultural Crops |
| L | 0221 | Soil Preparation, Planting and Cultivating Services |
| L | 0222 | Crop Dusting and Spraying Services |
| L | 0223 | Harvesting, Baling and Threshing Services |
| L | 0229 | Other Services Incidental to Agricultural Crops |
| L | 023 | Other Services Incidental to Agriculture |
| L | 0231 | Agricultural Management and Consulting Services |
| L | 0239 | Other Services Incidental to Agriculture n.e.c. |