Middle River Aerostructure Systems is a world-leading manufacturer of thrust reverser (the braking system on a jet engine), engine nacelle components and specialized aerostructures. It supplies and supports these products for engine makers, airplane manufacturers and aircraft operators.
Located on Maryland’s Chesapeake Bay near Baltimore, MRAS has a 1.7-million sq. ft. facility situated on 180 acres – where the company and its predecessors have designed, built and equipped civil and military aircraft for nearly 90 years.

In addition to MRAS’ design, development and manufacturing capabilities, the company provides technical support and spares services for its products. MRAS also has in-house expertise and extensive production resources for lightweight composite materials across a full range of aviation applications.
In 2019, MRAS was acquired by ST Engineering Systems North America, the affiliate of Singapore-based ST Engineering – becoming a part of its global network of aerospace facilities and offices. With the ownership change, the company was renamed Middle River Aerostructure Systems.

Aviation & Aerospace

ST Engineering - Middle River Aerostructure Systems

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Engineering and Program Management

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