Rock Brook merges with Salas O’Brien

Manhattan, NY Salas O’Brien is expanding integrated design services by welcoming Rock Brook, an award-winning firm recognized for its client-driven approach to complex projects. With more than two decades of experience serving healthcare, higher education, life sciences, manufacturing/industrial, and corporate clients, the team strengthens Salas O’Brien’s ability to support mission-critical facilities with highly responsive, integrated design services.

Rock Brook is recognized for delivering principal-level involvement on every project and providing integrated solutions across mechanical, electrical, fire protection, security, and sustainable design. The firm has built a strong reputation for quality, responsiveness, and long-standing client relationships on high-profile projects throughout New Jersey, New York, and Pennsylvania.

“Rock Brook’s depth of technical expertise, combined with their award-winning portfolio and strong market presence, makes them an outstanding addition to Salas O’Brien,” said Darin Anderson, chairman and CEO of Salas O’Brien. “Our shared commitment to innovation, collaboration, and client success enhances how we solve complex challenges and create measurable value.”

Rock Brook will continue to operate in the same offices with the same leadership and project delivery team, leveraging Salas O’Brien’s resources and technical expertise to expand reach and provide more value for clients.

“This merger with Salas O’Brien represents an exciting evolution for our team,” said GregoryDeMarco, CEO of Rock Brook. “Our award-winning experience in critical markets like healthcare and life sciences underscores the value we bring. Joining with Salas O’Brien allows us to preserve what has earned trust for generations while gaining new strength to drive innovation and opportunity for our clients and team.”

Morrissey Goodale, a specialized management consulting and research firm exclusively serving the architecture, engineering, and environmental consulting industries, initiated the transaction and advised Rock Brook.