Worldwide Water & Wastewater Engineering and Underwater Inspection Services
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Underwater Inspection Services
Tunnel and Pipeline Inspections
Remotely Operated Vehicles (ROV'S)
2D and 3D Sonar Imaging
Engineering Services
Water and Wastewater
Treatment Plant Operations
Design/Build/Operate
Zebra Mussel Control
Biofouling Control Turnkey Services

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Marine Construction
ASI's marine construction crews conduct a full range of underwater repair services, salvage operations, pipeline remediation, installations and construction contracting. We are also a full-service team for industrial dredging and disposal from inspection and sampling through removal and remediation. Our 24/7 industrial maintenance crews conduct inspections, cleaning and repairs.

  • Installation of intake/outfall pipelines
  • Underwater welding/cutting
  • Grout injection and tremie concrete placement
  • Bulkhead and coffer dam installation
  • Mussel control system installations
  • Salvage of sunken vessels
  • Pipeline installation/remediation

 

Underwater Inspection Services | Underwater Civil Engineering Inspections | Tunnel and Pipeline Inspections
Remotely Operated Vehicles (ROV) | Underwater Mapping Services
Industrial Rope Access and Confined Space Entry



Canada Headquarters
ASI Group Ltd
St. Catharines, ON
U.S.A. Headquarters
Aquatic Sciences L.P.
Orchard Park, NY