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MEP/FP ENGINEERING DESIGN

IT/AV & SECURITY

CONSTRUCTION ADMINISTRATION

SUSTAINABLE DESIGN

LEED SERVICES

COMMISSIONING

MISSION CRITICAL DESIGN

RECENT NEWS

Rock Brook Joins Salas O’Brien

We are excited to announce that Rock Brook joined Salas O’Brien in February 2026. Our offices will remain under the same leadership, and our clients can expect the same team and level of service. As Rock Brook and Salas O’Brien work together, our clients and team members will benefit from our combined resources, expertise, and geographic reach.

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ABOUT US

Learn more about Rock Brook and our mission to provide clients with responsive, high-quality engineering services.

LEADERSHIP

Meet the executive leadership team that make up the foundation for our high-quality, engineering design services.

SERVICES

Read more about how we provide innovative solutions for our clients and their unique project needs with our wide-range of services.

CAREERS

Explore opportunities to join the Rock Brook team.

PROJECTS

View our recent projects from a variety of market sectors, including corporate/commercial, healthcare, education, pharmaceutical, and more.

NEWS & UPDATES

Keep current with our news, updates, and publications from our professionals.

OUR REACH

PROJECT LOCATIONS

New Jersey

20 S. Middlesex Ave. Suite B Monroe Twp., NJ 08831

(732) 438-1600

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New York

450 7th Ave. Suite 2601 New York, NY 10123

(347) 589-8822

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Pennsylvania

8 Penn Center | 1628 John F. Kennedy Boulevard Suite 1200 Philadelphia, PA 19103

(267) 519-3439

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