Koppers, a manufacturer of treated wood products used in railroads, utility, and residential lumber applications, will invest at least $23 million at its 157-acre plant in North Little Rock, Arkansas.

A lower demand for treated crossties is due to decreased spending in the rail industry, tKoppers says. Commercial crosstie pricing has been lower due to an industry oversupply of crossties.

Koppers Inc. Announces Completion of Legal Entity Reorganization and Delay of North American CMC Capital Project

Railroad tie and treated wood manufacturer Koppers Inc., a unit of Koppers Holdings Inc. (NYSE: KOP), will offer through a private placement $400 in senior notes due 2020. The purpose is to refund debt.

Koppers Inc., a wholly-owned subsidiary of Koppers Holdings Inc. (NYSE: KOP), announced today that it is proposing an offering through a private placement of $400 million aggregate principal amount of senior notes due 2020

Railroad tie and telephone pole maker Koppers' sales fell 11%, an impact of harsh winter restriction on railroad track repairs and utility line installations. Koppers will acquire Osmose Holdings Wood Preservation and Railroad Services.

Koppers Inc., a wholly-owned subsidiary of Koppers Holdings Inc. has signed an agreement to acquire the Wood Preservation and Railroad Services businesses of Osmose Holdings, Inc., collectively, the "Acquired Businesses."

Koppers Holdings Inc. (NYSE: KOP) announced results for its fiscal 2014 first quarter.

Koppers Holdings Inc. announced that effective today Leroy M. Ball, Vice President and Chief Financial Officer, has been elected to the newly created position of Chief Operating Officer by the Koppers Holdings Inc. Board of Directors.