Delivering successful marine, dredging, amphibious, logistics and construction projects with precision, safety and reliability.
From dredging operations and marine infrastructure to heavy construction and equipment supply, OTAN coordinates every stage of project delivery through trusted global partnerships and experienced project management.
Explore our completed projects to see how we deliver dependable solutions across ports, waterways, offshore developments and industrial infrastructure.
OUR PROJECTS














DREDGING SOLUTIONS
AMPHIBIOUS SOLUTIONS
MARINE CONSTRUCTION
MARINE SUPPORT SERVICES
OFFSHORE SOLUTIONS
PORT & HARBOR PROJECTS


We deliver comprehensive dredging solutions including maintenance dredging, capital dredging, land reclamation and channel deepening using advanced dredgers and equipment.
Our amphibious equipment and expertise enable efficient operations in wetlands, shallow waters and sensitive environments.
We provide full-service marine construction for ports, harbors, jetties, breakwaters, pipelines and offshore structures.
Trailing Suction Hopper Dredgers
Cutter Suction Dredgers
Environmental Dredging
Beach Nourishment
Amphibious Excavators
Swamp Buggies & Pontoons
Wetland Restoration
Shoreline Protection
Marine Infrastructure
Pile Driving & Installation
Jetty & Breakwater Construction
Pipeline Installation
We offer a wide range of marine support services to ensure smooth and safe execution of marine operations.
Tug & Barge Services
Crew & Vessel Management
Supply & Support Vessels
Survey & Inspection Support
We specialize in the development, upgrades and maintenance of ports and harbors to support global maritime trade.
We deliver reliable solutions for offshore construction, installation and maintenance in challenging marine environments.
Port Development
Harbor Deepening
Berth Construction
Port Rehabilitation
Offshore Installation
Subsea Support
Platform Maintenance
Offshore Logistics
OUR CAPABILITIES
Our Modern Fleet
Our modern fleet, skilled team and proven processes enable us to deliver complex marine projects on time, within budget and to the highest international standards.














MODERN FLEET
Advanced dredgers, vessels and equipment for all marine operations.
SAFETY FIRST
Committed to safety, quality and environmental responsibility.
EXPERIENCED TEAM
Highly skilled professionals with decades of marine industry expertise.
PROJECT DELIVERY
Focused on timely delivery with efficiency, precision and reliability.
GLOBAL REACH
Delivering marine solutions across the globe with local expertise.
INNOVATION
Continuous investment in technology and innovative marine solutions.
Building long-term partnerships based on trust and performance.
PARTNERSHIPS
SUSTAINABILITY
Protecting marine environments through sustainable practices.


