Sowinski Sullivan Architects, PC (SSA) is an architectural firm with offices in New Jersey, Philadelphia & Harrisburg, PA. Founded in 1996, the firm provides architectural services to a broad spectrum of public transportation clients throughout North America. SSA is a certified DBE, SBE, and WBE firm in multiple jurisdictions. Recently, SSA added in-house engineering & construction/project management services to enhance their team approach. The firm's focus is Transportation Architecture. More than 95% of the firm's work is transportation facilities, with the majority of that work in the area of stations ,intermodal facilities, and maintenance shops. SSA's client centric design expertise benefits many clients that include: Metro-North Railroad, Amtrak, NJ TRANSIT, ConnDOT, Minneapolis Metro Council, Port Authority of NY & NJ, Long Island Railroad, New York City Transit, PATCO/DRPA, SEPTA, BARTA, COLTS, WMATA, PennDOT, Go-Transit, Sound Transit, state and local Municipal Governments. SSA is an industry leader in historical preservation and sustainable design for transit facilities. SSA has worked on over seven dozen different historic projects with SHPO interface and approvals all along the east coast, and has won numerous awards of excellence. The firm employs historic preservation Architecture specialists, and LEED & GGP Professional experts in transportation facility design.