BlackRock MuniYield Quality Fund, Inc. is a close ended fixed income mutual fund launched by BlackRock, Inc. It is managed by BlackRock Investment Management LLC and BlackRock Advisors, LLC. The fund invests in fixed income markets. It invests in long-term municipal obligations the interest on which is exempt from federal income taxes. The fund also invests in short-term securities. BlackRock MuniYield Quality Fund, Inc. was formed in 1992 and is domiciled in United States.