Our Clients

The best way to celebrate our 50-year legacy of service is to recognize our clients’ missions and work. Most of our relationships with them span years—many span decades.

The selected clients below, a partial list of those we’ve worked with over the years, represents a cross section of what we do. We’re immersed in many industry sectors: some of the country’s largest commercial and residential companies and ventures; cultural organizations and institutions; educational and healthcare organizations; government and transportation; and historic and landmarked buildings and monuments.

Search and filter

Keyword search
Industry sectors
Services
Virtually all our projects include mechanical, electrical, and plumbing (MEP) engineering. Our extended services include:
Audible.com
Commercial, Historic
Bergen County Improvement Authority
Government, Healthcare
CBRE
Commercial
Colliers International
Commercial, Healthcare, Residential
Columbia University
Education, Historic, Residential
DASNY
Commercial, Education, Government, Healthcare
NYC Department of Design and Construction
Cultural, Education, Government, Historic
Empire State Realty Trust
Commercial, Historic
The Feil Organization
Commercial
Hackensack University Medical Center
Healthcare
Hartz Mountain Industries, Inc.
Commercial, Residential
Hines
Commercial, Cultural, Education, Healthcare, Residential
Jones Lang LaSalle
Commercial
Jujamcyn Theaters
Cultural
L&L Holding Company
Commercial
Metro-North Railroad
Historic, Transportation
Metropolitan Transportation Authority
Commercial, Transportation
Morgan Library & Museum
Cultural, Education, Historic
National Grid
Commercial
New York Botanical Garden
Cultural, Education, Historic
New York Presbyterian Hospital
Healthcare
New York State Office of Mental Health
Government
New York University
Education, Healthcare
Omnicom Group
Commercial
Playwrights Horizons, Inc.
Cultural
Plymouth Church
Cultural, Historic
Port Authority of New York and New Jersey
Commercial, Transportation
PSE&G
Education, Healthcare
Rockefeller Group
Commercial
Rockhill Management
Commercial
Roundabout Theatre Company
Cultural
Ruben Companies
Commercial
RXR Realty
Commercial
SL Green Realty Corp.
Commercial
Scholastic
Commercial, Education, Historic
School of Visual Arts
Cultural, Education
The Smithsonian Institution
Cultural
State University of New York (SUNY)
Education
The Rubin Museum of Art
Cultural
The Shubert Organization
Cultural
The Stahl Organization
Commercial
Tishman Speyer
Commercial
Vassar College
Education
Vornado Realty Trust
Commercial
Yeshiva University
Education