underwater core drilling

Associated Underwater Services, Inc. (AUS) is a commercial dive company located in Washington State that provides underwater and marine construction services as well as remotely operated vehicle services (ROV), salvage, ship husbandry and sonar services on a global scale. AUS is Woman Owned and Operated, with offices in Spokane and Seattle, Washington, and Northern California. Originally founded in 1988, the company was reorganized in 2001 under the ownership of Nanci and Kerry Donohue.

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Bridge & Pier RepairCertified Underwater Welding and BurningCofferdams / Stream Diversions / Limpet Damscommercial divingContaminated Water Divingdiver assisted dredgingEel Grass MappingHigh Altitude DivingHyperbaric Tunneling Interventions and ConsultingIntakes and OutfallsLake Tapsmixed gas divingPipeline Installation and ModificationsPositioning SystemsPotable Water Diving (AWWA Standards)Remote Operated Vehicles (ROV)Sonar Inspections (Single and Multi Beam)

Cavanagh Marine, Inc. is a marine contracting and commercial diving company based in Tiverton, Rhode Island. The company provides marine contracting, commercial diving, dock and pier construction, and pile driving services, along with underwater inspections, welding, and construction and repair work on bridges, dams, and docks.

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Cathodic protectioncoffer dam buildingcommercial divingconcrete repairsdewatering supportdock & pier constructionmarine paintingpile drivingsalvagesheet pile installationtopside welding & fabricationunderwater inspectionsunderwater welding