Koppers Holdings Inc. Declares Initial Quarterly Dividend of $0.10 per Share Read more about Koppers Holdings Inc. Declares Initial Quarterly Dividend of $0.10 per Share
Koppers Holdings Inc. Announces Closing of Its Initial Public Offering Read more about Koppers Holdings Inc. Announces Closing of Its Initial Public Offering
Koppers Inc. Reports Second Quarter 2005 Results Read more about Koppers Inc. Reports Second Quarter 2005 Results
Koppers Inc. Reports Third Quarter 2005 Results Read more about Koppers Inc. Reports Third Quarter 2005 Results
Koppers Holdings Inc. Announces Pricing of its Initial Public Offering Read more about Koppers Holdings Inc. Announces Pricing of its Initial Public Offering
Koppers Follansbee Plant Achieves Environmental Certification Read more about Koppers Follansbee Plant Achieves Environmental Certification
Koppers Galesburg Plant Achieves Environmental Certification Read more about Koppers Galesburg Plant Achieves Environmental Certification
Koppers Superior Plant Achieves Environmental Certification Read more about Koppers Superior Plant Achieves Environmental Certification
Eight Koppers Plants Achieve Environmental Certification Read more about Eight Koppers Plants Achieve Environmental Certification
Koppers Facilities Win 24 National Safety Council Awards Read more about Koppers Facilities Win 24 National Safety Council Awards