Groupe Marais is a joint venture between OT Engineering, FR and Tesmec S.p.A. that offers the rental of fleet machines in the area of mechanized cable-laying services.

Marais, Tesmec Group Company, designs, manufactures and distributes trenchers and accessories for mechanical laying for network construction (telecoms, electricity, gas, water) and earthworks, as well as detection and mapping technologies.

Groupe Marais activities, in France and abroad, are divided into 3 businesses: service with the rental of trenching and mechanized laying machines with operators, equipment sales and a multi-brand after-sales service.