Derector Offices

About Us

Robert Derector Associates

Founded in 1980, Robert Derector Associates (RDA) is a full service MEP engineering firm specializing in Commercial Tenant Interiors, Building Modernizations, Lease Assistance, Due Diligence Studies and Infrastructure Upgrades as well as Educational and Retail. It is through our uncompromised attention to detail, constant concern for our clients' needs and a pragmatic engineering approach that has led RDA to be known as a premier consulting engineering firm in New York.

Robert Derector Telecommunications

Robert Derector Telecommunications (RDT) provides a full range of IT, Security and Multimedia/Audio-visual design, engineering and consultancy services as well as project management, all geared toward providing robust innovative solutions for today's work space. These services are offered in both a traditional design strategy and as design-build for those who prefer "one-stop shopping."


Robert Derector Mission Critical

RDMC is a team of professionals specializing in the design of critical data center space. These experts are dedicated to forging enduring relationships with their clients to achieve 100% facility uptime. This group of seasonal professionals also provides commissioning and Arc Flash services for all types of facilities.

Robert Derector Energy & Sustainability

Our Energy and Sustainability Group provides analyses to help commercial tenants, building owners and data center users understand how they use energy, and what they can do to use less. This group also offers utility provider rebate studies and is an approved Flextech engineer for NYSERDA.

New York Office

19 West 44th Street
New York, NY 10036
212.764.7272 -

New Jersey Office

250 Pehle Avenue - Suite 200
Saddle Brook, NJ 07663
973.307.9200 -

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