Sowinski Sullivan Architects
Architecture and PlanningNew Jersey, United States51-200 Employees
Sowinski Sullivan Architects is a transportation-focused architecture and engineering firm that delivers programming, planning and design for infrastructure projects. Founded in 1996, the practice is based in Sparta, New Jersey, with additional offices in Northern New Jersey and Philadelphia to serve its client base. Virtually all of its work centers on transportation facilities, and it emphasizes phased construction planning and community planning as part of project delivery. SSA is a certified Women-owned (WBE) and Disadvantaged (DBE) enterprise. In May 2026, the firm announced it had been selected to participate in a mass transportation project for the Advance Albany County Alliance as part of a design team. The development reflects SSA's specialization in transportation-related architecture and planning.