| 0811 | Timber Tracts |
| 2411 | Logging Camps & Logging Contractors |
| 2421 | Sawmills & Planing Mills General |
| 2426 | Hardwood Dimension & Flooring Mills |
| 2429 | Special Product Sawmills |
| 2435 | Hardwood Veneer & Plywood |
| 2436 | Softwood Veneer & Plywood |
| 2439 | Structural Wood Members |
| 2491 | Wood Preserving |
| 2493 | Reconstituted Wood Products |
| 2611 | Pulp Mills |
| 2621 | Paper Mills |
| 2631 | Paperboard Mills |
| 2652 | Set-Up Paperboard Boxes |
| 2653 | Corrugated & Solid Fiber Boxes |
| 2655 | Fiber Cans Tubes Drums & Similar Products |
| 2656 | Sanitary Food Containers Except Folding |
| 2657 | Folding Paperboard Boxes Including Sanitary |
| 2671 | Coated & Laminated Paper & Plastic Film |
| 2672 | Coated and Laminated Paper |
| 2673 | Plastics Foil & Coated Paper Bags |
| 2674 | Uncoated Paper & Multiwall Bags |
| 2675 | Die-Cut Paper Paperboard & Cardboard |
| 2676 | Sanitary Paper Products |
| 2677 | Envelopes |
| 2678 | Stationary Tablets & Related Products |
| 2679 | Converted Paper & Paperboard Products |