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.

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9/28 Med Rec Marine Log
6/7/23- Marine Log- 3:1
9/28 Med Rec Marine Log
6/7/23- Marine Log- 3:1