KOP vs MYI 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 III, INC. is an investment management company. Its investment objective is to provide shareholders with a high level of current income exempt from U.S. federal income taxes, as is consistent with its investment policies and prudent investment management. The fund invests a majority of its assets in municipal obligations exempt from U.S. federal income taxes (except that the interest may be subject to the U.S. federal alternative minimum tax). Under normal market conditions, the fund invests mainly in long-term municipal obligations that are investment-grade quality or are considered by the adviser to be of comparable quality at the time of investment. It can also invest directly in such securities or synthetically through the use of derivatives.