Based in Washington, Weyerhaeuser Company  is one of the leading U.S. forest product companies with operations primarily concentrated in Southern California, Nevada, Washington, Texas, Maryland and Virginia. The company caters to a diverse clientele spread over the United States, Canada, Japan, Europe and other regions. The company grows and harvests trees, builds homes and manufactures forest products worldwide, primarily to be used as lumber, pulp and paper, and other wood and building products. It offers logs, hardwood lumber, timber, poles and plywood, as well as minerals, oil, gas, seeds and seedlings.

The company operates through three business segments including:

The Timberlands segment (contributing 19.5% to 2020 revenues) is engaged in the sale of logs, stumpage and pay-as-cut timber.

The Wood Products segment (76.9%) deals with the sale of plywood, softwood lumber, engineered wood products, oriented strand board (OSB), fiberboard and building materials distribution.

The Real Estate, Energy and Natural Resources segment (3.7%) deals with the results from an equity interest in Plum Creek Real Estate development joint ventures. Also, the segment is responsible for disposition of properties, non-core timberlands, and royalties related to minerals and oil and gas assets.

As of Mar 31, 2021, Weyerhaeuser had cash and cash equivalents of $1,016 million, up from $495 million at 2020-end. Long-term debt was $5,325 million at quarter-end, which was unchanged from 2020-end. Net cash from operations was $698 million for the quarter compared with $86 million in the year-ago period.