Forestry
| SIC8 | DESCRIPTION |
| 0811-0000 | TIMBER TRACTS |
| 0811-9901 | CHRISTMAS TREE FARM |
| 0811-9902 | TIMBER TRACTS HARDWOOD |
| 0811-9903 | TIMBER TRACTS SOFTWOOD |
| 0811-9904 | TREE FARM |
| 0831-0000 | FOREST PRODUCTS |
| 0831-0100 | GATHERING OF FOREST PRODUCTS |
| 0831-0101 | BALSAM NEEDLES GATHERING |
| 0831-0102 | BARK GATHERING |
| 0831-0103 | GINSENG GATHERING |
| 0831-0105 | HUCKLEBERRY GREENS GATHERING |
| 0831-0106 | MAPLE SAP GATHERING |
| 0831-0107 | MOSS GATHERING |
| 0831-0108 | TEABERRIES GATHERING |
| 0831-0109 | TREE SEEDS GATHERING |
| 0831-0200 | GUM AND RESIN EXTRACTION AND DISTILLATION |
| 0831-0201 | GUM DISTILLATION (IN FOREST FARM) |
| 0831-0202 | GUM EXTRACTION |
| 0831-0203 | LAC PRODUCTION |
| 0831-0204 | TURPENTINE AND ROSIN DISTILLATION (IN FOREST ON FARM) |
| 0831-9901 | FOREST NURSERIES |
| 0831-9902 | RUBBER PLANTATIONS |
| 0831-9903 | TREE SEEDS EXTRACTING |
| 0851-0000 | FORESTRY SERVICES |
| 0851-0100 | FOREST MANAGEMENT SERVICES |
| 0851-0101 | FOREST MANAGEMENT PLANS PREPARATION OF |
| 0851-0102 | REFORESTATION SERVICES |
| 0851-9901 | FIRE FIGHTING SERVICES FOREST |
| 0851-9902 | FIRE PREVENTION SERVICES FOREST |
| 0851-9903 | PEST CONTROL SERVICES FOREST |
| 0851-9904 | TIMBER CRUISING SERVICES |
| 0851-9905 | TIMBER ESTIMATING SERVICES |
| 0851-9906 | TIMBER VALUATION SERVICES |
