Duffy Diving

Mark Duffy and Dave Mednick are principal associates of Mark Duffy Commercial Diving, Inc. Now under the new leadership of Kraig Brunner and Chris Sagin, we strive to continue the commitment and relationships with all past and future clients. Our capabilities and experience span the entire range of marine construction, repair and inspection. Collectively we have over seventy years of experience in the commercial diving business, both domestically and internationally.

We pride ourselves on our ability to work easily and efficiently with our clients. 

Our background includes offshore oilfield support, outfall and intake pipeline installation, bridge and pier inspection and repair, ocean and inland salvage, power plant maintenance and dam projects.