| Coastal_Leasing,_Inc_ Manufactures, leases and sells oceanographic, environmental and meteorological instrumentation for scientific research worldwide. |
| Coda_Octopus Geosurvey solutions provider of underwater technology for imaging and mapping the seabed including inertial attitude and positioning, sub-bottom profiling and sidescan sonar imaging instruments. |
| CytoBuoy_b_v_ Manufactures flow cytometer systems to detect, count and analyse microscopical particles such as algae and phytoplankton. Products for bench-top in the lab and also in-situ on shipboard, submerged, or |
| D_&_A_Instrument_Company Designers and manufacturers of innovative turbidity monitors, sediment and water-quality instrumentation for the dredging industry, defense agencies and research organizations. |
| Deep_Ocean_Engineering Provides service to and manufactures remotely operated vehicles (ROVs), robotic and manned equipment for harsh environments. |
| DeepSea_Power_&_Light Manufacturer of oceanographic equipment including underwater lights, cameras, batteries, lasers and temperature sensors. Also markets pressure housing design software. |
| DEL_NORTE_Technology_Ltd Providers of DGPS systems, echo-sounders, tide gauges and the Coastal Oceanographics Hypack software product. |
| Desert_Star_Systems_LLC Manufactures acoustic and GPS integrated positioning systems, underwater cameras and underwater data acquisition and telemetry systems for oceanographic applications. |
| Downhole_Systems_Inc_ Design and manufacture custom oceanographic and geophysical equipment including winch systems. |
| Duncan_and_Associates Designers, manufacturers and suppliers of limnological, hydrobiological and oceanographic sampling and monitoring apparatus, all manufactured to an assured standard, tested and proven in the field. |
| EdgeTech Develops, manufactures, and markets sensing devices for marine applications including sonar systems for underwater, seafloor and object imaging and sub-bottom profiling, and communication and control |
| EPC_Laboratories,_Inc_ Manufactures and sells thermal graphic recorders and data acquisition systems for use in a wide variety of custom applications including side-scan sonar, sub-bottom profiling and spectrum and acoustic |
| Falmouth_Scientific,_Inc_ An international leader in the development and manufacture of high quality precision oceanographic instrumentation. |
| Flotation_Technologies A world leader in the design and manufacture of subsurface buoyancy and mooring products since 1979. |
| General_Oceanics,_Inc_ The world's leading supplier of oceanographic, coastal, freshwater and air sampling instruments technology. In business since 1966. |
| GeoAcoustics_Europe European manufacturer of seabed survey products, including sonar and swath bathymetry systems. |
| Geological_&_Marine_Instrumentation_(GMI) Developers and producers of solutions and products within the fields of process control, measurement techniques, and in particular marine and environmental and oceanographic monitoring. |
| GeoSpectrum_Technologies_Inc_ Manufacturer of hydrophones and underwater sound projectors. Custom design of transducers and test equipment to meet demanding specifications. |
| 3H_Manufacturing_Inc_ Manufacturer of subsea connectors and cable systems. |
| Hugrun_ehf Manufacturers of underwater data acquisition instruments and loggers. |
| Hydro-Optics,_Biology,_&_Instrumentation_Laboratories HOBI Labs offers a unique line of optical instruments and sensors. Specialises in optical oceanography and hydro-optical instrumentation for the marine sciences community. |
| Hydrovision_Limited design and manufacture of subsea robotics including remotely operated vehicles (ROVs), underwater propulsion and control products. |
| IDRONAUT_s_r_l_ Development of innovative marine instrumentation including a series of low maintenance full ocean depth fast response sensors, in-situ trace metal analyzers, benthic chambers and a data telemetry prof |
| Innova_A/S Scandinavian supplier of underwater equipment and services for ROV, subsea intervention and oceanographic research. |
| Insite_Tritech_Inc_ A leading manufacturer and supplier of advanced underwater video systems. |
| Intermountain_Environmental,_Inc_ Distributes a full line of echo sounders and bottom profiling systems for precision seafloor, deep lake, and river bottom exploration. Systems are manufactured by Ocean Data Equipment Company. |
| International_Light,_Inc_ Manufacturer of light measurement instrumentation including radiometers, photometers and detectors. |
| InterOcean_Systems,_Inc_ Design and manufacturer of the oceanographic and environmental equipment. Product line includes current meters, wave & tide gauges, acoustic releases, winches, hydrophones, buoys, and software for |
| Inuktun_Services_Ltd_ Operates SEAMOR, a remotely operated underwater video inspection vehicle. |
| JASCO_Research_Ltd_ Design and manufacture custom and semi-custom oceanographic instruments including hydrophone arrays, camera systems, attitude sensors and sediment bearing strength probes. |
| JDR_Cable_Systems_Limited Design and manufacture of subsea cables and umbilical systems for a range of users. |
| KC_Denmark Supplies all types of field / laboratory research equipment for limnology, oceanography and hydrobiology. |
| Klein_Associates_Inc_ Specialist makers of side scan sonar imaging systems. |
| Kongsberg_Simrad_Ltd_ Manufacture specialist underwater cameras and products for harsh environments. |
| The_MacArtney_Group Specializes in the engineering and supply of underwater oceanographic equipment. |
| Marimatech Manufacturers of marine surveying and monitoring instrumentation. |
| Marine_Electronics_Ltd_ Manufacturers of altimeters and sonars. Based in Guernsey. |
| Marine_Magnetics_Corporation Specialises in the design and manufacture of oceanographic magnetic exploration equipment including marine magnetometers and gradiometers. |
| Marine_Sonic_Technology__Ltd Produces a side scan sonar system which sets the standard for high quality performance and offers an ability to locate objects underwater with near photographic quality. |
| Marinspect_Ltd Remotely Operated Vehicle (ROV) equipment, services and training for clients in the offshore, coastal, and civil engineering industries. |