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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.
Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. Proto Labs uses injection molding, computer numerical control machining, and 3-D printing to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.