CSM Engineering is certified and pre-qualified by several federal, state and city agencies:

• New York State Empire Development Corporation
• New York State Department of Transportation
• New York State Department of Economic Development – Empire State Development
• New York State Department of Education
• Port Authority of New York and New Jersey
• New York City Department of Business Services
• New York City School of Construction Authority
• New York City Housing Authority
• New York City – Metropolitan Transportation Authority (MTA)
• Nassau County – Long Island
• Suffolk County- Long Island

CSM Engineering is a member of the American Council of Engineering Companies (ACEC New York) and New York Water Environment Association, Inc. (NYWEA)