For decades BSG has been a trusted advisor delivering clients the highest quality design and engineering expertise.
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Birdsall Services Group (BSG) offers a broad range of services and every BSG employee shares a common purpose… to effectively and creatively solve the challenges of our clients. Our professionalism and commitment to “everyday excellence” is reflected in the long list of satisfied BSG clients. 

For decades BSG has been a trusted advisor, serving clients throughout New Jersey, New York, Pennsylvania, and Connecticut with high quality design and engineering excellence. BSG's client management process, which identifies a single point of contact at BSG, provides for the seamless delivery of all of our services to our clients, and allows the Client Manager to support the client from project inception to final delivery.

Our organization of professional engineers, licensed site remediation professionals (LSRPs), planners, scientists, LEED professionals, and support personnel are dedicated and stand ready to assist our clients, address their needs, and demonstrate our understanding of their vision. We have excelled by providing outstanding technical services, stressing the importance of client satisfaction, and recognizing the value of client relationships.


We can provide our clients with a broad range of engineering and consulting services that include:

– Civil
– Environmental
– Marine
– Mechanical, Electrical, & Plumbing (MEP)
– Geotechnical
– Planning
– Structural
– Sustainable Energy
– Transportation
– Waste Management
– Water Resources


BSG is proud of the recognition that we have received as an engineering design firm at both the local and national levels. We are continually ranked as a leading firm in such publications as ENR (Engineering News Record), Zweig White, New York Construction News, and NJ Biz (Business News New Jersey). In addition, we have also received numerous awards for excellence in structural, civil, environmental, and MEP engineering.


With offices located throughout the tri-state area, BSG is able to blend the specialized talents of our staff with a continuity of service and management seldom found in the profession today.



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Dial: (888) 335-BSGi (2744)

BSG can handle your Energy projects. Read more