- On-site diagnostics,
- Design by an in-house engineering office,
- Manufacturing and supply of equipment,
- Assistance with installation and commissioning, support during the operational phase.
About the company
160 Years supporting the Maritime Industry worldwide.
Heritage shaping the future
With roots dating back to 1862 through its parent company B.B.T, GISMAN, a subsidiary of the OCEA Group, has built lasting partnerships with more than 500 clients in over 80 countries.
A true pioneer in the early 1990s with the introduction of rotomoulded polyethylene buoys, GISMAN has continually advanced maritime safety and sustainable ocean management through innovation, smart connectivity, and a deep commitment to environmental responsibility.
Driven by strong values of innovation and eco-responsibility, GISMAN supports its clients in implementing high-performance and sustainable solutions for a safer maritime environment.
An active affiliate member of IALA since 1966, GISMAN continues to shape the future of navigation aids with passion, expertise, and purpose.
All our solutions are designed and manufactured in full accordance with the standards, recommendations, and guidelines set by the International Organization for Marine Aids to Navigation (IALA), ensuring reliability, safety, and global interoperability.
Our innovative systems enable remote and real-time communication, ensuring maximum equipment performance and service reliability.
Our solutions are designed, assembled, and tested in France in accordance with the ISO 9001:2015 standard, ensuring the quality, reliability, and performance of the entire system.
Protecting our seas
GISMAN is committed to supporting the maritime community in protecting a marine environment that is as precious as it is fragile.
Pollution prevention
By helping mariners avoid hazards, maritime signaling contributes to the prevention of accidental marine pollution.
Reducing environmental impact
Our real-time, remote supervision system significantly reduces environmental impacts by limiting the need for energy-intensive marine support vessels.
Protecting ecosystems
Equipped with multiparameter sensors and probes, our buoys become autonomous stations capable of continuously measuring environmental and meteorological parameters.
Responsive innovation
Designed to last, our equipment combines low energy use with extended maintenance intervals.
At every stage, our team aligns with your objectives and understands your challenges, delivering solutions that ensure both your satisfaction and the lasting value of your investment.
Innovation serves quality.
Every deliverable meets the highest standards while remaining fully aligned with your expectations.
Our solutions embody your values, promoting sustainability, efficient use of resources, and ethical, collaborative practices.
We foster enduring partnerships built on respect, transparency, and fair, safe, and equitable practices, ensuring confidence and long-term collaboration.
THE OCEA GROUP
Founded in 1987 in Les Sables d’Olonne, OCEA is a pioneer in aluminium shipbuilding and a leading aluminium industrial manufacturer.
Backed by strong in-house design capabilities, the company focuses on maritime territory management and Exclusive Economic Zone operations.
Specialising in the design, construction and support of aluminium vessels, OCEA has grown rapidly and now unites over 500 employees across four sites in France located along the French Atlantic Coast, one in the United Kingdom and one in the Philippines.
Each year, the company delivers 15 to 20 high-performance vessels, up to 120 m long — monohulls or catamarans — adressing the following markets :
- Maritime Safety & Security for coast guard and law-enforcement missions
- Maritime Transport & Mobility for tourism, territorial continuity, urban mobility, roll-on/roll-off and passenger transport
- Maritime Territory Administration for efficient maritime territory management including oil & gas and windfarm operations support
- Transoceanic Yachts for long-range navigation
Maritime Safety & Security
Maritime Transport & Mobility
Maritime Territory Administration
Transoceanic Yachts
