Commercial Dive Services

At Semper Diving and Marine, we are proud to be New England’s most advanced commercial dive company with capabilities including heliox and nitrox diving. Our commercial diving services include air diving, mixed gas diving, and contaminated & hazmat diving.

We strive to continue to advance the capabilities and quality of commercial dive work in New England and beyond. Servicing all scopes of work from sewer inspections to offshore gas pipelines, Semper has the capacity to undertake almost any type of project whether on land or sea.

Over the past 20 years, Semper Diving and Marine has supplied diving expertise to New England and beyond performing subsea dive inspections, underwater welding, and advanced tooling for our customers. Our experienced dive team can provide a safe, reliable, and cost-effective solution to your marine and heavy civil projects.

Our crew of experienced divers can provide many services which includes full service commercial diving for all types of conditions, depths and durations including confined spaces and hazardous materials for construction, environmental, survey and inspection work. Whether the job is at 5 feet depth or offshore in 250 feet, our experienced dive team can handle the jobs at hand.

Our Diving Services Include:

  • Diving with Compressed Air
  • Mixed Gas Diving allowing Divers to work at Greater Depths
  • Submarine Cable Installation
  • Video and Photographic Documentation
  • Underwater Welding
  • Power Plant, Water and Wastewater Treatment Plant Maintenance
  • Confined Space Diving including Sewer Systems
  • Offshore Diving and Vessel Salvage
  • Outfall Inspection, Maintenance and Repairs
  • Diving in Hazardous and Contaminated Environments
  • Tremie Concrete Placements
  • Airlift and Jetting Service​