Formed in 1909 by Nello L. Teer, Sr., became a worldwide construction company over the course of the 20th century. Merged with Koppers Company in 1980, and real estate division spun off as Teer Enterprises. Sold in 1985 and management transferred to Teer Associates. Timeline per "Courage Ever" 1888 - Nello L. Teer Sr. born in Durham, NC 1904 -...