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We do our best work under pressure.

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At Standard Diving & Marine Contracting (SDMC), we understand that each client is unique.


Our diversified dive team, our experience, and our inventory of equipment ensure that we have what it takes to meet your individual needs.


Based out of the Old Navy Yard in Charleston, SC, Standard Diving & Marine Contracting has been serving the southeastern United States and beyond for over 28 years.


In a business built largely on reputation, Standard Diving and Marine Contracting’s longevity speaks for itself. Our crew is widely experienced and we have the state-of-the-art equipment, the manpower, and the mobility to complete your specific project. Inland or offshore, we have what it takes to get the job done.


Ships Husbandry, Pipeline, Power Generation, Infrastructure, Salvage, Potable Water Tank... Inspection…




do it all

below the water line.



Ships Husbandry

SDMC's In-water services can dramatically reduce your drydock costs.


Subaqueous Pipeline

SDMC's Induced Tone Line Tracers are one of the most economical and efficient information gathering systems available to the inland underwater pipeline inspector.


Power Plant

FERC Inspections, Intake Bay Clean outs, Facilities Repair, Traveling Water Screens, Water-side Inspections and more. 



Repair, Renewal, Inspection. Our capabilities include Video/Photographic Inspection, Bridge Inspections, Marine Construction, Pile Encapsulation.​


Fire Suppression & Potable Water Tanks

We offer underwater visual and video inspections of potable water reservoirs & storage facilities (in full compliance with NFPA 25 and ANSI/AWWA 6652-92 standards).​




Slip Clearing, Wreck Survey & Demolition, In-house Inventory of Salvage bags.



"The Standard Diving & Marine Contracting crews have performed valuable services to Charleston Water System for inspections of subaqueous water main crossings, as well as repairs and improvements to these high-value assets.


The response and correspondence from Standard Diving & Marine Contracting are always prompt, and schedules are maintained. All reports and videos are very professionally prepared, thorough, accurate, and submitted in a timely manner.


Great workmanship, professionalism, and safety are consistently provided on their projects."

—  H. Gregg Arnold Water Distribution Senior Tech. Charleston Water System

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