| Rank | Company | Operating income | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $316M | Basic Materials | Lumber & Wood | United States | Nasdaq | |
| 2 | $299M | Basic Materials | Lumber & Wood | United States | NYSE | |
| 3 | $244M | Basic Materials | Lumber & Wood | United States | NYSE | |
| 4 | $234M | Basic Materials | Lumber & Wood | United States | NYSE | |
| 5 | $221M | Basic Materials | Lumber & Wood | United States | Nasdaq | |
| 6 | $74.0M | Basic Materials | Lumber & Wood | United States | NYSE | |
| 7 | $58.8M | Basic Materials | Lumber & Wood | United States | Nasdaq |