Driven By Excellence
SQN offers a wide range of services customized to meet your needs while taking into account the size, scope, and complexity of your project.
SQN is an inclusive place where the passionate, motivated, and collaborative deliver our best work to make an impact.
Our core need as a client-oriented company is to go above and beyond to find solutions, drawing on past successes as well as new, innovative ideas.
United By Integrity
Successful outcomes are achieved by a team who believes in a common vision founded on shared values.
SQN is a recognized leader providing Construction Management, Program & Project Management, and Project Controls services. Our talented and experienced professionals bring a proactive approach to your project and provide lasting value throughout the process from concept to project delivery and closeout.
IDOT Various Phase III Pavement & Bridge Preservation Inspection
CDWM Garfield Ridge Sewer Improvement
PBC (CPS) Rickover Military High School Renovation
CTA RPM Phase One Owner's Representative Services
CDA O’Hare 21 Lower Level Utility Pavement
NICTD Double Track NWI
IDOT I-55 Phase III Smart Overlay
CTA 95th St. Terminal Improvement
Metra UP Existing Sanding Upgrade
Join us & build.
At SQN, we value our employees as our greatest strength and believe in providing a working environment that facilitates professional growth and excellence.