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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Underwater Inspection Services
ASI is a multi-disciplined team specializing in underwater inspections, marine geophysical and hydrographic surveys, and rope access technology.

A full fleet of advanced robotic vehicles and the latest in imaging, underwater mapping and inspection technology supports our engineers and technicians. Supported by our in-house engineering and ecological resources, we provide clients in the public and private sectors with integrated turnkey services for all project phases: assessment and planning, design and fabrication, installation and operations.

ASI has earned an international reputation for the highest standards of quality in serving municipalities, hydro power producers, refineries, manufacturing industries, mines and pulp and paper mills. We welcome the opportunity to handle new and greater challenges in the underwater environment.

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