PATCH SEAWAY INTERNATIONAL, Inc. is a multi-faceted family owned and operated marine and inland construction business dedicated to providing quality work and craftsmanship throughout the St. Lawrence River and surrounding areas for over 20 years. We service all of your commercial and residential needs.

  • PSI is also fully LICENSED and INSURED
    • NYS Drilling License
    • USCG Master 100 GT
    • Master of Towing Endorsement,
    • HAZMAT Certification
  • Contact us for a free estimate!