Weyerhaeuser is one of the largest private timberland owners in the world and one of the largest wood products manufacturers in North America. The company owns or controls over 10 million acres of timberlands in the U.S., primarily in the Pacific Northwest and the South, and manages over 14 million acres under long-term licenses in Canada. Weyerhaeuser grows and harvests timber, selling logs to domestic sawmills and pulp/paper mills, as well as to export markets, primarily Japan. Its Wood Products segment manufactures and distributes structural lumber, OSB, and engineered wood products (EWP) from 33 facilities across the U.S. and Canada. Structural lumber and OSB are commodity products, so profitability is driven by price minus manufacturing cost. EWP — sold under the Trus Joist brand and including I-joists and beams used in residential construction — is a higher-margin, more differentiated product line. Weyerhaeuser also runs a Real Estate, Energy and Natural Resources segment that sells selected timberland parcels at premiums above timber value, collects royalties from mineral and energy rights, and is building a Climate Solutions business covering forest carbon credits, carbon capture leases, and renewable energy ground leases. Weyerhaeuser is structured as a REIT, and earnings are highly sensitive to U.S. housing activity and commodity lumber and OSB prices. The company targets returning 75–80% of available cash flow to shareholders through dividends and buybacks.