KOP vs GLDD Comparison

Koppers Holdings Inc through its subsidiaries, manufactures and sells wood products, wood treatment chemicals, and carbon compounds used in markets such as railroad, aluminum and steel, agriculture, utilities, and residential lumber. The company is organized into three business segments: railroad and utility products and services, performance chemicals, and carbon materials and chemicals. Its product portfolio includes treated and untreated wood products like crossties used in railroads, wood preservation chemicals, and carbon compounds such as creosote used in the treatment of wood crossties, among others. The majority of its revenue comes from the company's railroad and utility products and services segment, and more than half of the company's revenue is earned in the United States.

Great Lakes Dredge & Dock Corp is a provider of dredging services in the United States. The Company is also fully engaged in expanding its core business into the offshore energy industry. Dredging involves the enhancement or preservation of the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand, or rock. Company work generally is to performed in coastal waterways and deep water ports. Its project portfolio includes Coastal Restoration, Coastal Protection, Ports and Harbors, International, and Inland Dredging.