KSI Professional Engineers LLC, established in 1999, offers expertise in structural, mechanical, electrical, plumbing and fire protection engineering services. KSI is dedicated to providing professional service, timeliness, efficiency and a pride of workmanship. KSI is comprised of experienced principals and staff, capable of understanding the complexities of a project and providing workable solutions. We offer a cohesive organization that affords a fully coordinated hands-on approach to a project. Many architectural firms throughout the Tri-state region appreciate the “one stop shopping” for their consulting engineering needs.