Filter - All
  • Lincoln Tunnel HOT Lane Study
  • Pedestrian Ramps at Historic Properties
  • Replacement of West Street Bridge
  • Kosciuszko Bridge Final Design Services
  • PATH Tunnels Condition Survey
  • Pedestrian Ramps at NYCT Facilities
  • Newark Liberty International Airport
  • Staten Island Ferry Rack System
  • East Side Access
  • GWB Biennial Inspection
  • MTA LIRR Inspection Program
  • JFK International Airport – Multiple Projects
  • Outerbridge Crossing Biennial Inspection
  • Multiple Bridges in Bronx & Manhattan
  • Port Elizabeth & Port Newark Bridges Biennial Inspection
  • Bayonne Bridge Biennial Inspection
  • Ramps at Staten Island Ferry Terminal
  • NYCSCA BCAS New York City
  • PATH Stations Structural Inspection
  • Managed Use Lane (MUL) Study
  • Traffic Circulation Study
  • EWR Airtrain Guideway Inspection
  • Newark Marine Terminal Inspection
  • JFK Airtrain Howard Beach Line
  • MTA Building Annex at Marine Parkway
  • NYCDDC REI Services
  • Tappan Zee Bridge
  • NYSDOT Term Contract
  • Reconstruction of Beekman Street
  • Jerome Park Reservoir
  • Construction Of New Grit Chamber
  • Signage on GCP & LIE
  • Water Main Distribution Systems
  • ITS System Preventive Maintenance
  • West 125th Streetscape
  • Marine Parkway Gil Hodges Memorial Bridge
  • Gowanus Expressway
  • Hugh L. Carey Tunnel
  • Staten Island Ferry Terminals
  • Route 35 Bridge over Cheesequake Creek
  • Temporary Lighting Systems
  • Storm Sewer Extensions at 61st Avenue
  • Lincoln Tunnel Ventilation Buildings Condition Survey
  • JFK Airport - Multiple Buildings

Who We Are?

Over the past decade, SI Engineering (SIE) has built a strong reputation in delivering a wide range of projects for our clients in the public and private sectors. Our diverse staff of over 45 talented engineers, inspectors, and technical and construction professionals have brought their expertise to local community improvement projects to large high profile mega million dollar infrastructure projects.

We strive to maintain the highest standards while exceeding client’s expectations at all levels.