IH Engineers, P.C. is certified to work as an SBE with the following agencies:
- New Jersey Department of Transportation
- New Jersey Turnpike Authority
- New Jersey Transit
- New Jersey Schools Construction Corporation
- Port Authority of NY & NJ
- Delaware River Joint Toll Bridge Commission
- Pennsylvania Department of Transportation
- Southeastern Pennsylvania Transportation Authority
IH Engineers, P.C. is certified to work as an MBE with the following agencies:
- New York State Department of Transportation
- New York City Department of Transportation
- New York City Department of Design and Construction
- New York State Department of Economic Development
- New York City School Construction Authority (SCA)
- Port Authority of NY & NJ
- Pennsylvania Turnpike Authority
- New Jersey Department of Transportation
- New Jersey Transit
- New Jersey Schools Construction Corporation
- Delaware River Port Authority
- Delaware River Joint Toll Bridge Commission
- Metropolitan Transportation Authority