KOP vs MQY 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.

Blackrock Muniyield Quality Fund Inc is a closed-end management investment company. The company's objective is to provide shareholders with as high a level of current income exempt from U.S. federal income taxes as is consistent with its investment policies and prudent investment management. The company invests in Transportation, Corporate, Health, Utilities, Education, Housing, and other sectors.