The company traces its history back to 1850 when Thomas Douglas Stimson started logging in Michigan.

[2] After moving west to the Pacific Northwest in the 1880s, the family purchased timberlands across the region and established mills and other businesses in the Puget Sound area.

[1] Miller was the son-in-law of Stimson, and a founder of the Western Forestry Center in Portland, as well as onetime owner of the Schooner Te Vega.

[2] Stimson bought Northwest Petrochemical Company in 1962 in order to use phenol in made in manufacturing hardboard.

[2] In 1987, the company donated the log used to create the Chief Kno-Tah sculpture in Shute Park in Hillsboro.