RALEIGH, NC -- Triangle Capital Corporation (NYSE:TCAP), a provider of capital to lower middle market companies, announced Thursday that it closed a $23.5 million investment in Consolidated Lumber Company LLC.

Based in Stillwater, MN, Consolidated Lumber, a leading provider of residential and commercial building and construction materials, operates out of 16 locations in Wisconsin and Minnesota.

Triangle Capital's investment in Consolidated Lumber, according to the Raleigh company, consists of unitranche debt and equity.