Hydrography & Charting Suppliers in the United States

14 subsea suppliers headquartered in the United States and serving the hydrography & charting sector. Each listing is compiled from the company's own published material.

Bedrock Ocean

Develops autonomous ocean survey systems and data workflows for offshore and geospatial marine operations.

San Francisco, United States

Hydrography & ChartingOffshore Wind

Coda Octopus Group

Subsea imaging and diving technology group whose subsidiary Precision Acoustics provides ISO/IEC 17025-accredited ultrasonic hydrophone calibration services.

Orlando, United States

Ocean Science & ResearchHydrography & Charting

Hemisphere GNSS, Inc.

Manufactures GNSS hardware and offers global PPP correction services such as Atlas for precise positioning.

Scottsdale, United States

Offshore Oil & GasHydrography & Charting

Klein Marine Systems

Manufactures side-scan sonar and other sonar imaging systems for seabed survey, security, and offshore applications.

Salem, United States

Hydrography & ChartingNaval & Defence

LinkQuest

Supplies underwater acoustic modems, positioning, and navigation systems for oceanographic and subsea operations.

San Diego, United States

Ocean Science & ResearchOffshore Oil & Gas

Marine Sonic Technology

Designs and manufactures underwater sonar and acoustic imaging systems for commercial and defense applications.

Yorktown, United States

Naval & DefenceOcean Science & Research

Okeanus

Supplies offshore and subsea equipment, including handling systems, survey gear, and marine tooling.

Houston, United States

Offshore Oil & GasOcean Science & Research

R2Sonic

Builds broadband/wideband multibeam echosounder systems for hydrographic and marine survey applications.

Austin, United States

Hydrography & ChartingOcean Science & Research

Saildrone, Inc.

Builds and operates autonomous ocean vehicles that gather maritime intelligence, environmental data, and seabed-adjacent survey information.

Alameda, United States

Ocean Science & ResearchEnvironmental Monitoring

Seafloor Systems

Marine robotics and hydrographic systems provider used for bathymetry, survey, and sediment-monitoring workflows.

Shingle Springs, United States

Hydrography & ChartingCoastal Engineering & Dredging

SonTek

Manufactures acoustic Doppler current profilers, velocimeters, and current-measurement instruments for water applications.

San Diego, United States

Ocean Science & ResearchHydrography & Charting

Swift Navigation, Inc.

Delivers Skylark GNSS correction services, including network RTK and PPP-RTK, for centimeter-level positioning.

San Francisco, United States

Hydrography & ChartingPorts, Harbours & Inland Waterways

Teledyne Marine

Designs and manufactures subsea sensors, imaging systems, vehicles, and interconnect products for oceanographic, defense, and offshore markets.

Thousand Oaks, United States

Ocean Science & ResearchEnvironmental Monitoring

Terradepth

Uses autonomous underwater vehicles and cloud-based workflows to capture and process deep-ocean survey data.

Austin, United States

Ocean Science & ResearchHydrography & Charting

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