French civil, marine, river and dredging contractor

Entreprise Marc SA

Marc SA marine works gallery image of the MARC 30 rock transport barge carrying large marked blocks

Entreprise Marc SA; official marine and river works capability gallery, undated and not evidence of deployment at Granville or under Normandy lot 3

Entreprise Marc SA is a French civil-works company whose official site identifies port development, marine and river structures, maritime earthworks and dredging among its core coastal activities.

Organization overview

French civil, marine, river and dredging contractor

Geographic footprint: Europe, France, Brittany, and Normandy. Core marine roles: Confirmed Granville Herel breakwater-repair titulaire and works-group member, Confirmed Normandy framework lot 3 stationary-suction dredging awardee, Port and harbour civil-works contractor, and Marine and river structure contractor.

Project records 2 Last reviewed 7 August 2026

Type

French civil, marine, river and dredging contractor

Active regions

Europe, France, Brittany, Normandy

Marine works roles

Confirmed Granville Herel breakwater-repair titulaire and works-group member, Confirmed Normandy framework lot 3 stationary-suction dredging awardee, Port and harbour civil-works contractor, Marine and river structure contractor, Maritime earthworks and dredging contractor, Current project-specific workshare, plant allocation and lower tiers only where separately published

Role in marine infrastructure

Entreprise Marc SA is a French civil-works company whose official site identifies port development, marine and river structures, maritime earthworks and dredging among its core coastal activities. BOAMP names it as titulaire for Granville's EUR 5,897,585 Herel main-breakwater repair, while the owner places it in a works group with NGE Genie Civil and ETPO Normandie. TED separately awards Marc lot 3 of the 2026-2029 Normandy ports maintenance-dredging framework for stationary-suction work at Le Treport and Saint-Valery-en-Caux.

Sources used 7

Source collections