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1,274 companies

UHP Projects, Inc.

Newport News, VA, United StatesUpdated Jul 2003

UHP Projects, Inc. specializes in ultra-high pressure waterjetting for marine surface preparation and recoating, providing turnkey services for vessels and offshore structures worldwide.

UMC International Plc

Eastleigh, Hants, United KingdomUpdated May 2026

UMC International Plc is a maritime services company based in Eastleigh, Hampshire, United Kingdom, providing underwater marine services and diving support.

US Coast Guard (Baltimore, MD)

Baltimore,, Maryland, United StatesUpdated Jun 2005

The United States Coast Guard is a military, multimission, maritime service and one of the nation's five Armed Services. Its mission is to protect the public, the environment, and U.S. economic interests in the nation's ports and waterways, along the coast, on international waters, or in any maritime region as required to support national security.

US Ice Machine Manufacturing Co. (USIMCO)

North Miami,, FL, United StatesUpdated May 2005

Founded in 1967, US Ice Machines Mfg. Co. (USIMCO) manufactures ice machines designed to meet the widely varying needs of different industries ranging from 1-1/4 ton to 20 ton models that can produce 2,500 to 40,000 lbs of ice per day. USIMCO machines deliver ice that is rock-hard for just pennies per lb. The product line includes machines that produce cracked ice, cylinder ice and block ice. There are also marine-based salt water ice machines and ozonated ice machines. USIMCO is in the process of developing a flaked ice machine.

USACE (Rock Island District) Inland River Navigati

Location not listedUpdated May 2026

The U.S. Army Corps of Engineers Rock Island District operates and maintains the Inland River Navigation system on the Upper Mississippi and Illinois Waterways, including locks, dams, and channels supporting commercial navigation.

USFilter

Waukesha, WI, United StatesUpdated Nov 2004

USFilter has been meeting the water treatment needs of the oil and gas industry for 40 years.

USFilter Electrocatalytic

Union,, NJ, United StatesUpdated Mar 2005

USFilter Electrocatalytic is a company based in Union, United States, specializing in water treatment and filtration technologies.

Ultra Dynamics Limited

Cheltenham, United KingdomUpdated May 2026

Ultra Dynamics Limited is a UK-based company specializing in the design and manufacture of advanced waterjet propulsion systems for marine vessels.

Underwater Resources Inc.

San Francisco, CA, United StatesUpdated Jun 2001

Underwater Resources Inc. (URI) is a San Francisco-based commercial diving and marine construction company providing ROV operations, sonar imaging, dredging, and specialized underwater services across the U.S. and internationally.

Underwater Technics Inc.

Cinnaminson, NJ, United StatesUpdated Nov 1998

Underwater Technics Inc. is a commercial diving and marine contracting company based in Cinnaminson, NJ, providing underwater inspection, repair, welding, and salvage services.

Unidata America

Lake Oswego, OR, United StatesUpdated Nov 1998

Unidata America is the North American subsidiary of Unidata S.p.A., supplying environmental and meteorological monitoring instrumentation, data loggers, and telemetry systems for hydrological, marine, and coastal weather applications.

Union Professionelle des Experts Maritimes (UPEM)

Paris, FranceUpdated Aug 2011

Major non-profit making association of French (and European) Surveyors, which brings together on a nation-wide scale, Marine Professionals whose academic qualifications, technical skill and marine experience allow them to practice in the surveying fields of commercial shipping, fishing, yachts and pleasure crafts, river crafts, underwater interventions, ship building and repairing etc…

United Electric Controls Co.

Watertown, MA, United StatesUpdated Jan 2007

United Electric Controls (UE) is a privately held corporation headquartered in Watertown, Massachusetts, specializing in safety, alarm, and emergency shutdown solutions including pressure switches, temperature sensors, and gas detectors for industrial and OEM applications.

United States Geological Survey

Redwood City, CA, United StatesUpdated May 2026

The U.S. Geological Survey (USGS) is a federal scientific agency that conducts research on natural resources, hazards, and ecosystems. In Redwood City, USGS operates from the Port of Redwood City Multi-Agency Maritime Facility, sharing the site with the Port and Sea Scouts for waterborne scientific operations in the South San Francisco Bay.

Universe Shipping and Trade Link

Mumbai,, Maharastra, IndiaUpdated Aug 2006

Supplier of new and second-hand marine machinery and spare parts including main and auxiliary engines, turbochargers, separators, air compressors, pumps, fresh water gensets, marine fenders, anchors, and anchor chains.

Unley Marine

Rock Island, IL, United States
Broker

Unley Marine is a full-service boating partner in Rock Island, IL, offering brokerage, haul, maintenance, repair, and storage services to keep watercraft in top condition.

VBKO

Gouda,, NetherlandsUpdated Jan 2006

VBKO (Vereniging van Waterbouwers in Bagger-, Kust-, en Ouverwerken) provides dredging and port/coastal waterways engineering and maintenance services.

VLN Advanced Technologies Inc

Ottawa, ON, CanadaUpdated Nov 2004

VLN manufacturers the patented RFM 2000 Pulsed Generator that when attached to existing high pressure pumps, increases the impact pressure by as much as 3 times

Vallejo Yacht Club

Vallejo, CA, United StatesUpdated Jul 2015
Training

Vallejo Yacht Club, established in 1900, is a historic yacht club located in Vallejo, CA, offering deep water slips, sailing programs, and hosting one of the largest inland regattas in the US.

Van Oord (Head Office)

Rotterdam, NetherlandsUpdated Apr 2004

Van Oord is a Dutch maritime contracting company specializing in dredging, offshore projects, and coastal engineering including reclamation and coastal protection.

Vanco Energy Company (Corporate)

Houston,, Texas, United StatesUpdated Jan 2008

Vanco Energy Company is a leading deepwater exploration company specializing in African offshore oil and gas licenses, with significant operations in Côte d'Ivoire, Ghana, Equatorial Guinea, Gabon, and the Black Sea region.

Veolia Water Deutschland GmbH Head Office

Berlin, GermanyUpdated Mar 2006

Veolia Water Deutschland GmbH is a company specializing in water treatment solutions, including ballast water treatment, serving the maritime industry from its head office in Berlin, Germany.