Work is performed both as prime contractor and subcontractor to a vast number of clients including:
- Metropolitan Transportation Authority (MTA)
- Metro North Railroad (MNR)
- Long Island Railroad (LIRR)
- MTA Bridges & Tunnels (TBTA)
- New York City Transit Authority
- The Port Authority of New York & New Jersey
- Dormitory Authority for the State of New York
- NYS Office of General Services
- Westchester, Orange & Rockland County
- The Department of Environmental Protection (DEP)
- Amtrak
- Connecticut Department of Transportation (CDOT)
- Con Edison
- PSE&G
- Orange & Rockland Utilities
- New York State Department of Transportation
- New York State Thruway Authority
- New York City Department of Transportation
