Caldwell Marine International, LLC. is a heavy marine construction contractor specializing in submarine utility operations.For over 60 years, we have completed the installation and repair of hundred of submarine power and telecommunications cables worldwide. We've rehabilitated piers and docks, and installed many unique marine structures that required advanced installation techniques. With over 150 years of experience on staff, we have the expertise and equipment needed to take on any marine construction project.Caldwell Marine International is a JAG Companies Inc. company.Services and Tasks include but are not limited to:Submarine Utility InstallationsSubmarine Cable InstallationsHeavy Civil ConstrictionPiersDocksRelieving PlatformsBulkheads - Cantilever, Tied-Back, Braced, & King PilePiles and Pile Supported Marine StructuresCofferdamsTender Systems – simple to complexDredging Pile JacketingCommercial Diving Marine Concrete – Cast-In-PlacePrecast Concrete Structures Demolition and RemovalsPipeline Installation