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.


“Four Rounds” Pavilion, Glenstone Museum

A light touch for Glenstone’s new sculpture pavilion

Bird House “Marvelous Migration” Exhibit

A creative renovation celebrates and protects a living collection

Frontier Culture Museum Crossing Gallery and Education Center

A museum expansion boosts educational outreach

Academy Art Museum

A popular museum adds a dynamic new entrance and enhanced gallery space

Conservation Pavilion, National Zoo & Conservation Biology Institute

An award-winning visitor amenity in a historic setting

National Air and Space Museum

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

Josiah Henson Park Museum and Education Center

Conversion of a historic site into a cultural and educational destination

Dumbarton Oaks

Upgrades to a historic Harvard University research institute

Virginia Museum of Fine Arts

Rehabilitation of the historic Robinson House for use as a visitor center

Smithsonian Institution

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

Baltimore Museum of Art

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

National Postal Museum

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

National Museum of Natural History

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

Paleobiology Laboratory, National Museum of Natural History

MEP improvements to support the Smithsonian’s paleobiology research

Walters Art Museum

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

The Phillips Collection

Upgrading “America’s First Museum of Modern Art”

Folger Shakespeare Library

Updates to a 1932 Capitol Hill building housing Shakespeare’s First Folios

National Zoological Park

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

Star-Spangled Banner Flag House

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

Winterthur Museum

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

Banneker-Douglass Museum

Maryland’s official museum of African-American heritage expands on a historic site

Center for the Study of Prints, Drawings and Photographs; Center for Matisse Studies

New galleries and study rooms provide resources for visitors and scholars at the Baltimore Museum of Art

National Native American Veterans Memorial

A new memorial honors the military service of Native Americans

Historic London Town Museum and Visitor Center

A museum and educational center welcomes visitors to an 18th-century living history site