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74 companies

RD Instruments

San Diego, CA, United StatesUpdated May 2026

Teledyne RD Instruments, based in San Diego, designs and manufactures underwater acoustic Doppler products for current profiling, wave measurement, and precision navigation. Now part of the Teledyne Marine group.

RKI Instruments, Inc.

Union City, CA, United StatesUpdated Feb 2008

A gas monitoring, gas detection, and sensor supplier for portable instruments and fixed controllers and detector heads.

SDT International

Brussels, BelgiumUpdated May 2026

Ultrasonic technology provides the most precise and cost-effective solutions in leak detection, tightness testing and predictive maintenance. SDT International is recognised as the world's leading manufacturer of measuring instruments using ultrasonic technology. Its success is based on a history of providing effective solutions to specific problems. This site details how this technology can be put to work for you.

Saab Rosemount Marine

Gothenburg,, SwedenUpdated Jun 2004

Saab Rosemount Marine, based in Gothenburg, Sweden, specializes in marine measurement and tank radar systems for the maritime industry.

Sabeus Sensor Systems

Location not listedUpdated Dec 2002

Sabeus Sensor Systems appears to be a domain name for sale with no active maritime-related website content.

Scanmar-US Office

Snohomish, WA, United StatesUpdated Jan 2003

Scanmar-US Office in Snohomish provides advanced sensor technology and monitoring systems for the maritime industry.

Schaller-Automation

Blieskastel,, Saarland, GermanyUpdated Oct 2006

Diesel Engine Monitoring and Safety Systems for large Diesel-Engines above ca. 1000 kW for Marine and Power generation purpose. 30 years experience in the field of Engine Crankcase protection against oil mist explosions.

Schwartz Electro-Optics, Inc.

Orlando, FL, United StatesUpdated Oct 2002

Schwartz Electro-Optics, Inc. (SEO) designs and manufactures solid-state lasers system for commercial and governmental markets. Products include laser-based weapon simulation systems, laser sensors for traffic management and precision farming, government-funded laser research projects, and lasers for art conservation.

Sea-Bird Electronics Inc.

Bellevue, WA, United StatesUpdated Nov 1998

Sea-Bird Electronics manufactures oceanographic CTDs (conductivity, temperature, depth instruments) and integrated water sampling systems. Based in Bellevue, Washington, the company serves the oceanographic research and marine science community.

Selco USA, Inc.

Atlanta,, GA, United StatesUpdated Oct 2004

SELCO USA, Inc. provides technical solutions and protective devices for the offshore and marine industry, specializing in generator control, ground fault detection, and marine instrumentation.

Sunada Downhole Gauges

Location not listedUpdated Dec 2002

Sunada Downhole Gauges specializes in manufacturing downhole pressure and temperature gauges used in the oil and gas industry.

TSS (International) Ltd.

Watford, Hertfordshire, United KingdomUpdated Aug 2005

Manufacturers of marine equipment for motion measurement, pipe and cable detection and navigation applications.

Thermal Detection Limited

Stockton-on-Tees, United KingdomUpdated Mar 2015

Manufacturer of high quality PT100 and thermocouple temperature probes and sensors for process, pharmaceutical, and industrial sectors.

Thermo Electric Co. Inc.

Stafford, TX, United StatesUpdated Nov 1998

Thermo Electric Company, Inc. supplies thermocouples, temperature sensors, and related instrumentation, shipping daily via UPS, FedEx, and freight carriers with local pickup and delivery options.

Thomas Products, Ltd.

Southington, CT, United StatesUpdated Feb 2005

Manufacturer of flow switches, level sensors, and pump controls made in the USA. ISO9001:2015 certified.

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.

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.

WIKA Instrument Corporation

Location not listedUpdated Dec 2002

WIKA Instrument Corporation provides high-quality measurement technology and smart sensing solutions for safe industrial processes, including the food industry.

Well Master Corporation

Location not listedUpdated Dec 2002
Training

Well Master Corporation specializes in artificial lift solutions including plungers, downhole springs, lubricators, sensors, and data automation for the oil and gas industry.

Wellsite Gas Detection Inc.

Calgary, Alberta, CanadaUpdated Dec 2002

Wellsite Gas Detection Inc. is a Calgary-based oil and gas service company specializing in advanced gas detection technology and 24/7 customer support.

Winters Instruments

Location not listedUpdated Dec 2002

Winters Instruments specializes in pressure, temperature, and digital instruments used in maritime and industrial applications.

Wireless Data Corporation

Columbus, Ohio, United StatesUpdated Dec 2002

Wireless Data Corporation manufactures non-contact telemetry ssensor systems to monitor torque on rotating shafts.