Koppers Holdings, a manufacturer and supplier of treated wood products, has acquired Cox' Industrial, a leading producer of wood utility poles and other wood products - expanding Koppers' product lineup and cementing it as a leader in specialty wood products.

Railroad tie manufacturer Koppers reported an 11 percent increase in sales during the third quarter of 2014.

Koppers Holdings Inc. (NYSE: KOP), a global integrated producer of carbon compounds and treated wood products, today reported consolidated sales of $356.8 million for the second quarter of 2014, a four percent, or $14.1 million, decline from sales of $370.9 million in the prior year quarter.

Koppers Wood Products Pty Ltd, a subsidiary of Koppers Holdings Inc., announced an agreement to acquire the Western Poles (Western Poles) business from Ridolfo Forestry Products Pty Limited (Ridolfo), for an undisclosed purchase price.