10/18/21- Marine Log- TLB

Substructure Inc

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PO Box 4094
Portsmouth, NH 03802

About Substructure Inc

  • Substructure provides complete, fully integrated solutions to challenging marine problems – from assessment, design, and fabrication to full implementation in the field. Our services include hydrographic & structural surveys, commercial diving, marine corrosion control, marine design, fabrication & integration, and marine rehabilitation.
Competitors of Substructure Inc
  • Stewart Technology Associates (STA) is an engineering consultancy specializing in marine and offshore structures, dynamic mooring analysis, anchor design and selection optimization, single point moorings, cable dynamics, fluid dynamics and many other diverse services and systems. STA offers a...
  • H.J. Merrihue is a fully insured and licensed marine contractor specializing in crane barges, hydrographic surveys, salvage, marine repairs and construction.
  • MESCO USA, Inc is a company with major talents in the pipeline industry. We follow pipelines across the United States, Central and South America. Any pipeline location that crosses water is a potential worksite for our company.