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For nearly a decade, owner and CEO Sean Thornton has worked and thrived in the engineering consulting and construction management industry. SP Thornton Engineering is a full-service engineering and construction management company with a diverse background in the following types of construction

  • Low-rise and mid-rise multi-use buildings

  • Port Authority of NY & NJ Airports

  • New York City Public Schools

  • Residential 

  • New York City MTA Facilities



Sean Thornton is a licensed Professional Engineer, registered in New York and Delaware.

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