Mueller Associates is one of the nation’s leading MEP engineers for museums, galleries, collection storage, and conservation spaces. Our portfolio includes exhibit and support spaces for world-renowned art collections, historic and natural artifacts, archeological settings, and interactive media displays. We offer specialized expertise for historic structures, phased renovations, collection preservation, and sustainable strategies to reduce costs and minimize maintenance.


Conservation Pavilion, National Zoo & Conservation Biology Institute

An award-winning visitor amenity in a historic setting

Baltimore Museum of Art

The BMA turns 100 and celebrates the completion of a multi-phase renovation

Josiah Henson Park Museum and Education Center

Conversion of a historic site into a cultural and educational destination

Delaware Museum of Natural History

From dinosaurs to seashells, visitors explore natural history in this popular museum

Smithsonian Institution

Mueller has completed more than 100 projects for the world’s largest museum and research complex

National Air and Space Museum

Sustainability soars in the renovation of the Smithsonian’s Mid-Century Modern classic

National Museum of Natural History

Renovations to the Sant Ocean Hall restored the Smithsonian’s iconic Beaux Arts museum space

National Postal Museum

The Smithsonian Institution’s William H. Gross Stamp Gallery houses the largest philatelic gallery in the world

National Zoological Park

Major projects at the Smithsonian’s National Zoo include the renovation of the Bird House

Dumbarton Oaks

Upgrades to a historic Harvard University research institute

Sports Legends Museum

This interactive museum is set in Baltimore’s historic B&O Railroad terminal

Star-Spangled Banner Flag House

The dramatic “Great Flag Window” draws visitors into this popular American history museum

University of Delaware Mechanical Hall

The renovation of a historic building creates a stunning new art gallery

Walters Art Museum

The Walters Art Museum shines after a major, multi-phase renovation

Winterthur Museum

The Winterthur impresses visitors after an estate renovation and construction of a new exhibition building

The Phillips Collection

Upgrading “America’s First Museum of Modern Art”