underwater welding

Acelution, Inc. is a construction company based in Yorktown, VA, specializing in Building Services, Concrete Lifting & Repair, Stormwater & Erosion, and Marine Construction. The company describes itself as one of the most diverse in its industry, handling projects from underwater to the top of water towers, including structural repairs, dredging of lakes and marinas, and ADA compliance improvements.

ADA compliance surveyscommercial divingconcrete liftingcustom fabricationdredgingerosion and sediment controlreroofingresidingseawall sealing without excavationslab liftingsoil stabilizationstructural repairs

ACK Marine & General Contracting is a New England-based marine, civil, and coastal construction firm serving Massachusetts, Rhode Island, and the greater New England coastline since 2016. It is an SBA-registered small business and certified Woman-Owned Business Enterprise (WBE) in MA and RI, founded by Kim Shaughnessy and family-owned.

coastal defensecommercial divingdredgingEngineering Supportenvironmental restorationequipment rentalserosion controlheavy civil constructionmarine constructionmarine demolitionpile drivingsalvage operationssediment removalunderwater inspections

AC Plus Marine, Inc. is a woman-owned, military-spouse-owned company with over 32 years of experience delivering commercial diving and marine construction services throughout Central Florida and beyond. They specialize in professional commercial diving services and design-build of specialty marine systems and equipment, serving theme parks, municipalities, the Florida Department of Environmental Protection, and water management districts.

bathymetric survey supportCathodic protectioncommercial divingconcrete cutting/drilling/core drillingdesign-buildNDT thickness gaugingsalvage and recoveryunderwater construction

Full-Service Marine Construction Services in the Pacific Northwest Building a Better Future in and Around the Water View ProjectsContact Us Welcome To Advanced American Construction A Leading Marine Construction Company in Portland, Oregon Headquartered in Portland, Oregon, Advanced American Construction (AAC) provides full-service marine construction services to public and private clients throughout the western United States, with a particular focus on the Columbia, Snake, and Willamette River systems. Over the last four decades, we have built a legacy of trust by delivering superior quality, diversified services, and innovative solutions in the heavy civil and marine construction sector. Our Capabilities At AAC, we offer a premier level of marine construction services in the Pacific Northwest. Our services include but are not limited to pile driving, engineering, consulting, and.

commercial divingcrane operationsdemolitiondesign-builddredgingheavy rigginghydraulic heavy lift jacksLiDAR scanningmachiningmarine structural engineeringnaval architecturepile drivingROV operationssalvagesonar scanningsteel fabrication

Anders Construction is a marine services and commercial diving company based in Harvey, Louisiana, started in 2005. It provides marine construction services above and below the water line, with a primary focus on commercial diving including underwater construction, demolition, and inspection services for heavy civil and public infrastructure projects. The company is Veteran owned and HUBZone certified and is a member of the Association of Diving Contractors International.

coatingscommercial divingconcrete placementEmergency Oil Spill ResponseHand DredgingHAZMAT divingHull Inspections & Thickness GaugingjettingMagnetometer SurveyPile RepairsPipeline Fusionshipyard servicesSide Scan Sonar Surveyunderwater burningunderwater constructionunderwater demolitionunderwater inspectionwater blasting

Ballard Marine Construction has worked in the heavy civil marine construction industry since the 1970s, providing turnkey infrastructure inspection, construction, rehabilitation, and maintenance solutions on projects worldwide. The company serves clients in the power, transportation, environmental, water and wastewater, and industrial industries, and is a member of Traylor Construction Group.

bathymetric surveyingCathodic protectioncertified welding to AWS standardscommercial divingconcrete repair and leak sealingdredgingepoxy and chemical grout injectionhyperbaric supportlaser scanningmixed gas divingmultibeampile rehabilitationROV inspectionssalvage and spill responsesaturation divingsonar inspection

Black Dog Divers, Inc. is a commercial diving, marine construction, and crane and rigging service and rental company based in Portsmouth, NH. Since 1989 it has provided commercial diving, marine construction, crane and rigging, demolition, HazMat, rapid incident response, ROV, and welding and fabrication services to clients in NH, MA, ME, VT, RI and New England.

barge rentalcaisson cuttingCathodic protectioncommercial divingconcrete cuttingconfined space servicesCorrosion Controlcrane rentalexplosive demolitionhazardous material divingpile drivingpile jackets and wrapsROV operationssteel erectionunderwater burningwelding and fabrication

B&Z Construction is a South Florida marine construction contractor combining water construction expertise with certified commercial diving. They serve residential, commercial, and municipal clients from Boca Raton to the Keys, complying with FDEP and US Army Corps of Engineers permitting. Services include marine construction, erosion control, and commercial diving.

ACBM installationbarge servicesbridge fender system installationcommercial divingcrane workexcavationHAZMAT divingHPTRM installationmarine mattress installationmechanical dredgingrip rap installationsalvage and recoveryshoreline stabilizationsonar-based underwater mappingunderwater cutting and burning

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.

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

Central Divers L.L.C. is a South Dakota based commercial dive company located in Pierre, SD, providing commercial diving services to cities, townships, farms, irrigation districts, salvage companies, and dams. The company performs air and mixed gas diving operations and offers year-round diving with a fleet of dive vessels and specialized cold water diving systems.

air and mixed gas diving operationsbottom profilingcathodic protection system assessments, repairs, and installationscommercial divingconfined space workdredgingsediment/debris removalside scan and down scan imageryunderwater constructionunderwater cuttingunderwater inspections

Coastal Engineering, LLC is an ADCI-certified, Veteran-Owned Small Business specializing in underwater construction and QA/QC services. Its team includes licensed Professional Engineers and ADCI-certified commercial divers delivering underwater inspection, repair, and marine construction for bridges, dams, water/wastewater facilities, and other marine infrastructure.

cofferdam installationconcrete and timber coresconfined space entrydredging and debris removalhydrographic surveysmarine salvagematerial testingpenetration divespipe crawler inspectionQA/QC inspectionROV inspectionscour evaluationsonar and imagingtopside weldingunderwater concrete placementunderwater constructionutility locating

Commercial & Industrial Diving Company (CIDCO) is a fully insured, certified Gulf Coast based diving company providing commercial diving and salvage services, including underwater construction and inspection, inland and offshore diving operations, marine engineering, and fabrication. It is a Woman Owned Small Business with ADCI-certified commercial divers and licensed engineers.

commercial divingdredgingengineeringepoxy applicationfabricationnon-destructive testingpile encapsulationROV operationssalvageunderwater constructionunderwater inspection

Crux Diving Inc. is a commercial diving and underwater services company founded in 2016 in Kenmore, WA. It provides certified commercial divers for industrial, oil and gas, marine repair, salvage, environmental surveys and response, and underwater construction projects across multiple states and American Samoa. The company is ADCI and ABS certified and is a member of the Association of Diving Contractors International.

concrete workcore drillingdemolitionheavy liftingmixed gas divingNitrox divingROV inspectionssalvage operationssaturation divingsteel erectionsunderwater burning

Founded in 1964 by J. Arnold Witte, Donjon Marine Co., LLC provides full-service marine solutions including marine salvage, dredging, material recycling, heavy-lift services, marine demolition, diving, engineering, and marine transportation. The company operates a turnkey processing facility and New Jersey-based landfills, and is described as the only dredging service provider on the East Coast capable of environmentally dredging, processing, and in-house disposal of material.

barge transportationbreak-bulk cargo handlingdivingdredgingengineeringheavy-lift derrick barge servicesmarine demolitionmarine salvagemarine towingmaterial recyclingmooring design, fabrication, and testingnon-destructive testing (NDT)rigging systems design and fabricationsearch and recovery (SAR)underwater burningvessel structural repair and modificationwelding/fabrication

Frogmen Divers & Marine Service is a professional commercial diving company serving New England, offering both inland and offshore diving. Their work includes commercial diving, marine salvage, underwater construction, certified welding and burning, environmental diving, industrial wastewater repair, underwater inspection, and dam repair. They comply with OSHA, USCG, USN, AWWA, and ADC-International codes and serve waterfront stakeholders, electric power plants, oil terminals, vessel owners, and marine adjusters.

caisson cuttingcommercial divingconcrete pourscontrol gate repairCorrosion Controldam repairmarine salvagepile jacketspipeline installation and repairspill responseunderwater burningunderwater constructionunderwater hazard cleanupunderwater inspectionwastewater treatment facility repair

Free Agent Marine LLC is a Tampa, Florida commercial diving company offering underwater welding and burning, marine construction, salvage, inspections, and treatment facility/mill services. Its certified divers and supervisors are graduates of accredited schools certified nationally and/or internationally. The team has 10+ years of commercial diving experience and over 15 years in the marine construction industry, and provides 24/7 emergency diving services.

anode bindingbottom surveyconfined space entrydebris removaldredginggrit blastingheavy liftjettingmagnetic particle testingmarine constructionnon-destructive testingpile encapsulationpile reinforcementsalvagesearch and recoveryultrasonic testingunderwater burningvideo inspectionsvisual inspections