NGGL Group provides advanced hydrography and water resource monitoring solutions to support maritime navigation, port management, inland waterways, and coastal infrastructure development. Through modern survey technologies and integrated monitoring systems, NGGL delivers accurate underwater mapping, real-time water data, and environmental intelligence essential for safe and efficient marine operations.

The Hydrography division offers a comprehensive range of equipment and services including water level monitoring sensors, echo sounders, sonar systems, autonomous underwater vehicles (AUV/ROV), current profilers, and automated weather stations. These technologies enable precise seabed mapping, current measurement, underwater inspection, and environmental monitoring for ports, rivers, reservoirs, and offshore environments.

NGGL also provides survey vessels, drone boats, DGPS systems, and specialized hydrographic software platforms such as PDS Survey Data Acquisition and Port-Log data analytics tools to ensure reliable data collection and processing. Our integrated solutions support dredging operations, navigation safety, infrastructure inspection, and water resource management.

With successful collaborations and portfolio projects with leading organizations including Chittagong Port, BIWTA, Bangladesh Water Development Board, Mongla Port, Payra Port, Bangladesh Navy, BIWTC, OceanWise, Xylem, Teledyne, and TUCO, NGGL Group has established itself as a trusted partner in hydrographic technology and maritime data solutions.

By combining cutting-edge technology, skilled expertise, and global partnerships, NGGL Group continues to strengthen Bangladesh’s marine infrastructure and support sustainable management of water resources.