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Our activities

With a century of experience in maritime works, highly qualified personnel, and a large range of equipment,  Jean Negri and sons are involved in different activities.

The company, which was originally specialized in underwater works, has been able to diversify its activity throughout its existence to acquire important know-how in the field of marine engineering. Thanks to its high degree of expertise, specialization, and the quality of its equipment, the company cultivates excellence and has a solid reputation in France and abroad. By taking customer needs into account through our engineering, EJN NEGRI is able to advise, design, dimension, and build for its customers an infrastructure with a low cost of ownership. The company accompanies its clients in their dealings with public, private, or international financial backers in order to propose financing solutions.

Select a category below and discover our activities

Outfall and cable laying

A pipe of up to 3 metres in diameter, it is installed on the shore to allow the suction or discharge of water. It is used in thermal power stations, water treatment plants or desalination plants.

Negri controls the entire chain from design to installation, reception and maintenance of the pipe. This allows us to control costs and to offer customers the solution best suited to their needs and at the best price.

Floating pontoon

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