1 Dag Hammarskjold Plaza

1 Dag Hammarskjold Plaza

This skyscraper anchors the plaza named after the Swedish diplomat, economist, and author who served as the second Secretary-General of the United Nations. One Dag Hammarskjold Plaza is a class A, 49-floor skyscraper in Midtown Manhattan. It was completed in 1972 and...
330 Madison Avenue

330 Madison Avenue

Anchored by Grand Central Terminal, this building overlooks the 225,000 passengers who go through the station daily. Our work on the complete renovation of this 742,000 SF building required new HVAC infrastructure, including a new, state of the art 2000 ton chiller...
New York Public Libraries

New York Public Libraries

With nearly 53 million items and 92 locations, the New York Public Library is the second largest system in the world. We have designed the MEP systems for many of NYC’s public libraries.
1700 Broadway

1700 Broadway

Home to CBS and across the street from the Ed Sullivan Theater, this 42-story, 626,000-square foot tower was first developed in 1968 by the Ruben Organization. The building is now under management by Rockpoint. We designed many tenant installations and upgraded the...
Ruben Companies

Ruben Companies

Founded fifty years ago, Ruben Companies and its affiliates are leaders in the development and management of prime real estate, and in the development and marketing of internet business applications. We have worked with the Ruben Companies for over 30 years on their...