Absolutely Essential
Named for the Latin phrase “sine qua non,” referring to something considered absolutely essential, SQN Associates aims to be “absolutely essential” to the success of our clients, partners, employees, and community.
Culture of Excellence
Our brand of excellence encompasses more than project metrics. We strive to stay true to our core values with every decision we make, at every level.
A Trusted Project Partner
We manage the entire program and construction process for clients and provide comprehensive reporting on all facets.
Creating Livable Communities
SQN partners with public and private clients to promote a sustainable future.
About SQN
SQN Associates, LLC (SQN) is a recognized leader in providing Construction Management, Program and Project Management, and Project Controls services. Our team applies their knowledge and experience in engineering and construction to the everyday challenges that occur throughout the construction process.
Aviation
BUILDINGS & FACILITIES
Rail
Transit
Transportation
UTILITIES
Featured Projects
Join An Award-Winning Team
Whether you’re looking for the next challenge to conquer or are just getting started, we’d love to help you build your career at SQN.