 4QD
 - Manufactures speed controllers for battery operated electric motors.- A&D Weighing
- Manufactures laboratory balances, industrial scales, and weighing indicators.
- AC/DC Industries
- Manufactures delay timers, alternating wigwag flashers, and low voltage sensors.
- Accusonics, Inc.
- Ultrasonic horns and fixtures.
- Acorel
- Providing automatic people counting systems.
- Acromag, Inc.
- Provides industrial I/O solutions for measurement and control applications. Products include transmitters, isolators, alarms and digital or analogue I/O computer equipment.
- Adlee Industrial Co., Ltd.
- Manufactures inverters, driving motors, clutch motors and industrial fan motors.
- Advanced Technology Corporation
- Offers a microprobe system that nondestructively produces stress-strain curves and measures fracture toughness of metallic structures and welds.
- Aeroflex Laboratories
- Designs, develops, manufactures, and markets a diverse range of microelectronic and test and measurement products.
- Affolter Electronique SA
- Design and production of CNC machine controls, electronic controls, and machine tools.
- Affri
- Offering machines to conduct hardness, traction, torsion, and compression tests on a variety of materials.
- Airchime
- Air, electric, piston, and steam whistles or horns for ships, boats, locomotives, heavy equipment, and industrial sites.
- AKO, Inc. Torque Specialties Division
- Makers of equipment for torque wrench calibration and torque testing.
- Alkon
- Precision batching control systems and dispatching systems for concrete and aggregate production.
- Altech Controls Corporation
- Manufactures solid state controls for refrigeration and HVAC equipment.
- American MSI Corporation
- Hot Runner systems, injection moulds and industrial vacuums.
- Ameritrol Instruments and Controls
- Manufacturer of electronic flow, level, and temperature switches, and sensors for industrial process control.
- Analytical Technologies, LLC
- Offering film thickness gauges and control systems.
- Anderson-Bolds, Inc.
- Distributes electric heaters, valves, timers, level controls, sensors and other process and electrical component products.
- Apex Control Systems
- Providing a wide range of industrial products and services.
- Arcom Industrial Computer Control Products
- Manufactures standard and custom PC104, embedded PC boards, XScale single board computers, and rugged industrial PC systems.
- Arizona Instrument Corporation
- Precision instruments used in quality control, industrial control and environmental monitoring applications.
- Asia Technology and Instrument Ltd.
- Manufactures temperature, level, pressure, flow, and power conversion instruments.
- Automation Service
- Offers remanufactured process controls, and manufactures custom diaphragms and remote capillaries.
- Avatar Instruments
- Provides SCR power controls, custom controllers, and options to the standard product line for various OEM requirements.
- Axis Metrology, Inc.
- Provides machine installation, relocation, retrofits, repair, certification and calibration for coordinate measuring machine (CMM) technology.
- B.C. Ames Co.
- Offers solutions to specialised gaging requirements, including dial and digital indicators, micrometers, comparators, and gages.
- Barton Instrument Systems
- Measurement information systems for the gas, oil and chemical industries.
- BEKA Associates
- Manufactures instrumentation for hazardous areas.
- Berthel GmbH
- Manufacturer of programmable logic controllers and supporting custom controls systems for use in industrial automation.
- BinMaster
- Manufactures point level control systems for level, flow, and dust detection controls of solids, liquids, powders, and slurry applications.
- Bonfiglioli Group Power & Control Solutions
- Bonfiglioli designs, manufactures, and markets products and systems for power control and power transmission applications. Multinational organisation with a worldwide network of branches that are not just sales offices, but enterprises fully operative in their respective marketplaces.
- Bristol Babcock Inc.
- Serving the energy, water, and process industries with products ranging from instruments to complete SCADA systems.
- Brookhuis Micro-Electronics
- Manufacturing and selling handheld and in-line moisture meters for wood and building materials, and in-kiln measuring equipment.
- CAL Controls
- Designs and manufactures industrial temperature and process controllers, computer based chart recorder, and data-logging software.
- Charter Tech, Ltd.
- Manufactures belt tracking monitors as well as burner management and energy control systems for the petroleum, chemical, and energy industries.
- Clino Ltd
- Tilt and level sensors.
- Closs CAD/CAM Systems
- Including 3D digitizing.
- Collectrol Timers Inc.
- Manufacturer of sequential timers for dust-collectors, baghouses, and bin-stimulators.
- Compta Velec Systemes
- Manufacturing industrial counting machines for integration in automatic packaging lines.
- Connection Technology, Ltd.
- Manufacturing and sales of computerized torque control systems and Pro-Tech thread protectors.
- Control Technology
- Manufactures customised and standard servo electronics; ac servo motor amplifiers, linear dc power amplifiers, synchro amplifiers, modulators and demodulators, indicators, servo actuators, and special control systems.
- Control Technology Corporation
- Provider of factory automation technologies that control and monitor machines and equipment.
- Controles S.A.
- Design, manufacturing, and commercialization of electronic controllers.
- Crane Electronics Ltd.
- Torque monitoring and control equipment.
- Cubic Corporation
- Family of companies serving the defence, intelligence, commercial, and transportation industries.
- Curtiss-Wright Corporation (1)
- Cyber-Tech
- Custom configured ergonomic controls and joysticks for heavy applications.
- Danfoss Group, The (3)
- DeFelsko Corporation
- Manufactures a complete line of non-destructive, hand-held coating thickness gauges.
- Denver Instrument Company
- Maker of scales, balances, electrochemistry meters, moisture analyzers, titration systems, and calibration weights.
- Devar Inc
- Manufactures instrumentation for monitoring, control, and data acquisition. Includes transmitters, alarms, calibrators, and signal isolators.
- DIATEST
- Makes bore gauges including the internal taper gauges, split-ball probe, and BMD plug gauges.
- Dilax Company
- Automatic passenger counting, automatic vehicle location, and reporting and statistics software.
- Diversified Electronics, Inc.
- Custom and standard controls for instrumentation and protection of industrial electrical equipment.
- DMT
- Supplier of turnkey solutions for the production of Biax films.
- Dover Flexo Electronics, Inc.
- Manufacturer and supplier of web tension control equipment for the converting, flexible packaging, paper, non-wovens and plastic film industries.
- Dwyer Instruments Inc.
- Produces a wide range of measuring and control instruments for pressure, flow, temperature.
- DynaGen Technologies Inc.
- Manufacturer of power generation controls including engine controllers, generator instrumentation and control panels, automatic transfer switches, and battery management systems.
- Dynatrol Systems
- Custom software and hardware applications, installation and commissioning, training, preventive maintenance, and consultation and management services.
- Dynaweb, Inc
- Provides web tension control solutions for applications in manufacturing paper, film and foil, flexible packaging, commercial printing, textiles, other web fed process industries.
- DyneSystems Co
- Providing custom test-cell integration and engineering, including dynamometers, controls, data acquisition, and test control software.
- Ectron Corporation
- Manufactures instrumentation for data acquisition and calibration.
- EdgeTech
- Specialises in side scan sonar, sub-bottom profiling systems, and underwater imaging systems for AUV, ROV, and other applications.
- Elcometer Instruments Ltd
- Manufacturers of coating thickness gauges and other coating products.
- Elcon Technology Inc.
- Electrical control panels, design and fabrication, UL listed, large scale electrical controls.
- Electrical Systems Ltd.
- Manufacturers of custom control panels and related products.
- Electron Machine Corporation
- Manufactures industrial measuring and control instrumentation for refractive index, polarization, diameter, and x-ray thickness measurement.
- Elevator Systems, Inc.
- Manufacturing control systems and related products.
- Emko Elektronik
- Manufactures electronic equipment including temperature control, textile dying, and machinery automation hardware.
- Enerac
- Manufacturer of portable combustion and emission analyzers.
- Energy Control Design
- Manufacturer of controls, automation equipment, drives and more.
- Energy Management
- Integrators for energy management systems and environmental and process control systems.
- Enrange
- Makers of wireless remote controls for overhead cranes, concrete pumps, conveyors, winches, booms, and other commercial and industrial applications.
 Eurolec Instrumentation
- Manufacturers of robust portable thermometers, probes, and manometers.- Eurotherm Controls
- Manufactures temperature controls, process controllers, temperature indicators, SCRs, and multi loop control systems.
- Faria Instruments
- Instrumentation for marine, recreational, heavy duty, commercial, performance, and military applications.
- FARO Technologies (1)
- FIDIA S.p.A.
- Manufacturer of CNC for milling and copying, high speed milling machines, analogue scanning probes and CAM software.
- Ford Meter Box Company, Inc.
- Manufacturers of water works brass, water meter testing & setting equip, water main pipe products and more.
- Formosa Thermometer & Barometer Manufacturing Co., Ltd.
- Manufacturer of pressure gauges of various sizes and ranges including liquid-filled and diaphragm seal.
- Frank W. Murphy Mfr.
- Instrumentation and control systems for oil and gas, irrigation and agriculture, power generation, etc..
- G.K.S. Inspection Services
- Tools and consulting for 3D metrology, inspection, reverse engineering, calibration, and certification with cmms, laser digitizers, software, and other metrology equipment.
- Gauge Shop, The
- Source of gauge sales and service.
- Gefran
- Manufacturer of industrial control systems, gauges, meters, and sensors.
- Geodetic Services, Inc.
- Manufacturer of the V-STARS/INCA digital photogrammetry system used for industrial measurement in a wide variety of fields including aerospace, automotive and shipbuilding.
- Glo-Quartz Inc.
- Offering infrared radiant heaters, quartz tubes, T3 lamps and duct heaters for drying, curing, and warming applications.
- Gordinier Electronics
- Temperature control systems serving the cryogenics and plastics industry.
- Governor Specialists
- Governor control sales and service in-shop and on-site.
- Governors America Corp.
- Electronic and mechanical controls for engines.
- Haihong Pressure Gauges Manufacturer
- Manufacturer of precision and tyre pressure gauges, and automotive test equipment and instruments.
- Hallcrest
- Utilizes microencapsulation and colour change technology to manufacture medical, personal care, promotional, and industrial products.
- Hampshire Controls Corporation
- Standard and custom designed electronics to the biomedical and industrial markets, including: motor speed and temperature controls, temperature alarms and data logging systems.
- Hangzhou Safestar Fire Gauge Co.
- Manufactures pressure gauges with anti-corrosive stainless steel diaphragm and Bourdon coils used for fire extinguishers.
- Haydon Switch and Instrument
- Designs and manufactures linear actuators, subfractional horsepower stepper motors, and electromechanical switches.
- Heber
- Manufacturer of industrial operating, spring, and hydronic mechanisms. The Heber Corporation is based in South Korea.
- Heinr. Borgwaldt GmbH (1)
- Heitronics Infrarot Messtechnik
- Non-contact temperature measurement from -50°C to 3000°C.
- Helix Technology Corporation
- Developers of vacuum technology products including those for control, measurement, and analysis of industrial vacuum processes.
- Hickok Incorporated
- Manufactures precision indicating instruments for aircraft, locomotive and general industrial applications.
- Ho Lung Enterprise
- Manufacturer specialising in meter movements, parts, and components, as well as panel meters.
- Honeywell Automation & Control Solutions
- Offers products and services to control industrial processes, heating andcooling, security and fire alarm, and industrial safety systems.
- Hydramotion Ltd
- Manufactures viscometers and moisture meters for the process industry.
- I.Q. Instruments
- Designs and makes signal converters and isolators, temperature and vibration transmitters and sensors, and pH meters; uses thermocouple technology in some products.
- ICE Corporation
- Manufactures control systems for aircraft and agricultural equipment in addition to veterinary medicine electronics.
- IDEC Corporation@
- Manufacturer of pushbuttons, controls units and indicators.
- Imada, Inc.
- Manufacturing mechanical and digital force gauges.
- Infitec, Inc.
- Manufacturer of timing, industrial, electronic, HVAC, process, and custom controls.
- Ingenieurs Bureau DR.IR. Frankort BV
- Offering oven and fermentation controllers, sensors, and more.
- Innovative Control Systems, Inc.
- Specialises in control solutions and reliability improvements for power generation, oil and gas, and industrial applications.
- Instec Temperature Control
- Precision temperature control instruments and hot stage microscopy equipment to the world's scientific and technical communities.
- InstroTek Instrument, Inc.
- Manufacturers of portable device for nuclear gauge calibration verification and recalibration.
- Intermech Ltd.
- Designer and manufacturer of high pressure fluid delivery systems and equipment.
- IRAB
- Remote control systems for industrial use.
- Istec Corporation
- Measuring and temperature controls.
- J&B Instruments
- Supplier and developer of measuring instruments and quality control systems for the plastics industry.
- J. M. Baker Company, Inc.
- Instrumentaion controls, equipment and systems.
- JAC Manufacturing
- Manufactures industrial control systems, temperature control systems, as well as offers both field and in-lab instrument calibration services.
- John C. Ernst Co., Inc.
- Offers engineered solutions for process and steam, including sight glasses, liquid level gauges, sight flow indicators, and more.
- Johnson Controls
- Involved in four industries: automotive seating and interior systems, facility management and control systems, plastic packaging, and batteries.
- Jordan Controls
- U.S. manufacturer of electric actuators. ISO-9001 certified and customer-focused.
- JP Technologies, Inc.
- Manufacturer of foil strain gage sensors, ultra-high temperature, hermetically sealed, and weldabable strain gages, gaging installation and accessory products.
- JVL Industri Elektronik A/S
- Motor controllers.
- K-TEK Corporation
- Liquid level gauges, switches, smart transmitters and loop indicators.
- K-V Associates, Inc.
- Instrumentation for remediation technology and soil characterization including soil gas push-probe systems and groundwater flowmeter.
- KB Electronics
- Manufacturing variable speed motor controls and accessories.
- Ken Wilcox Associates, Inc.
- Independent third-party testing organisation evaluating leak detection equipment for underground storage tanks and pipelines, manufacturers, regulators, UST organisations.
- Kernco Instruments Co., Inc.
- Supplier of industrial, laboratory, medical, educational and environmental instruments for measuring, controlling, recording or monitoring.
- Kistler-Morse Corporation
- Instrumentation supplier for material storage and process material monitoring systems.
- Komatsu Electronics
- Develops products based on thermoelectric cooling and heating technologies.
- Kongsberg Norcontrol
- Develops and produces maritime, aviation and industrial systems.
- L.J. Star, Inc.
- Manufacturer of illumination sources, sanitary service products, visual flow indicators, and other process observation equipment.
- Lintek Corp
- A high-technology manufacturer of advanced RF instrumentation systems.
- Liquid Metronics (LMI)
- Makers of metering pumps.
- Love Controls Division
- Lovejoy Controls Corporation
- Manufacturer and provider of turbine governor controls, turbine supervisory instrument equipment, and technical direction.
- Macromatic Controls LLC
- Manufactures electronic industrial control relays.
- Madison
- Manufacturer of full-size and miniature vertical switches and side-mounted, submersible and custom designed liquid level switches for a wide variety of OEM and MRO applications.
- Magnet Schultz of America
- Manufacturer of magnetic latches, magnet and tubular solenoids, latching solenoids, and a variety of electro-magnetic and electro-hydraulics.
- Magnetic Technologies Ltd.
- Permanent magnet brakes and clutches for tension control on fiberoptic cable, light gauge wire, and a variety of power transmission applications.
- Mamco Precision Switches
- manufactures pressure switches, specialising air compressor pressure switches, vacuum pressure switches, and differential pressure switches.
- Mangra, S.A.
- Makes manufacturing controls and installation equipment for use in feed mills.In Spanish, English, and French.
- Mantracourt Electronics Ltd
- Intelligent instrumentation, special project design, and manufacture.
- Maple Systems, Inc.
- Designer and manufacturer of both ASCII terminals and PLC (programmable logic controller) based operator interface terminals.
- MARK-10 Corporation
- Manufacturer of digital force gauges, spring testers, test stands, and force measurement instruments.
- Marsh Bellofram
- Manufacturer of quality pressure regulators, electropneumatics, gauges, thermometry, FRLs, medical diaphragm gauges, and rubber diaphragms.
- Maxcess International
- Parent company of Fife, MAGPOWR, and Tidland. Maxcess International offer a full line of web components and accessories, slitting, winding, guiding, inspection, and tension controls.
- McDaniel Controls, Inc.
- Pressure gauges for industry use.
- Measurement and Control Solutions
- Offers hardware and software products to the roll/coil goods industries.
- Measurement Technology Northwest
- Makes measurement systems for thermal testing, winch lines, belt scales, and custom applications.
- Medar
- Designs, manufactures, and sells automation equipment for monitoring and controlling factory processes to insure high quality products.
- Meggitt Mobrey
- Measurement solutions for process industries.
- Meister Controls Limited
- Designer and manufacturer of motor control centres, L.V. switchboards, power distribution units, modular wiring systems, and more.
- Mesure Controle Commande
- Designs and manufactures instrumentation such as recorders, indicators, controllers, data acquisition, supervision, sensors, and transmitters.
- Metalaire
- Air distribution products and air terminal equipment.
- Metronic Division
- Non-contact coordinate measuring machines.
- MGP Instruments, Inc.
- Manufacturer of hardware and software to measure and detect hazardous materials.
- Micro-Design, Inc.
- Offering a variety of products for oil and gas, power, water and waste water, and other industries. Their products range from simple tank level monitoring devices to complex compressor and engine controls.
- Microconsultants
- Machine control, automation and statistical process control.
- Microvision Instruments
- Manufactures and markets systems of measurement via image analysis, including image storage, particle counting, granulometric analysis, and morphometry.
- Mid West Fabricating Co.
- Manufacturer of cold formed fasteners and components made from wire rod for the automotive and lawn and garden industries.
- MIJA Industries
- Supplier and manufacturer of spiral wound bourdon tube pressure gauges.
- Minworth Systems Limited
- Producers of intelligent instrumentation and control systems for wastewater treatment.
- Misco
- Offers a complete line of refractometers including handheld, digital, and laboratory.
- Monarch Instrument
- Manufacturer of tachometers, stroboscopes and paperless recorders for the measurement, inspection and data recording industries.
- Montalvo Corporation
- Manufacturer of web control products including brakes, clutches, tension control devices, load cells, indicators, web guides, and safety chucks.
- Moore Industries, Inc.
- Maker of interface instruments for industrial process control, system integration, and factory automation, including smart temperature transmitters with sensor assemblies and signal conditioners.
- MSC Moisture Systems
- Manufacturer of process analytical equipment and instrumentation.
- MSH Services
- Manufactures electrical control panels for general industry and environmental remediation systems including panels certified under Underwriters Laboratories UL508A and UL698A listings.
- Murphy Switch of California, Inc
- Manufacturer of sophisticated programmable control platforms.
- Northern Digital Inc.
- Manufacturers of precision measurement systems for medical navigation, industrial metrology, and life sciences motion capture applications.
- NPA Corp Testing Gauges
- Offers hand held and portable coating thickness gauges for use in paint and coatings industries.
- Numation, Inc.
- Manufacturer of modular automation products for the fluid power industry.
- Nuova Fima
- Manufacturing instruments for pressure and temperature control.
- O'Brien Corporation
- Optrand Incorporated
- Manufacturer and developer of fibre optic sensors for combustion engine monitoring and control applications.
- Oregon Rule Company
- Manufactures adhesive-backed rules.
- Pacific Scientific (2)
- Panametrics Corporation
- Manufactures process control instrumentation, nondestructive test equipment, moisture, oxygen, gas analyzers; ultrasonic flowmeters, flaw detectors, thickness gages, and transducers.
- Papailias Incorporated
- Manufactures process observation equipment such as basic sightglasses, sight flow indicators, liquid level gauges, and lighting fixtures.
- Patti Engineering
- Offers industrial control and information systems, manufacturing execution systems, and plant automation.
- Payne Engineering Company
- Manufacturer of SCR power controls and motor starters.
- Pine Instrument Company
- Producers of asphalt and electrochemical testing equipment. SHRP superpave gyratory compactors, Marshall testers, and electrochemical potentiostats and electrodes.
- Placid Industries, Inc.
- Makers of magnetic particle brakes, clutches and controls, and hysteresis brakes.
- Plant Control and Automation Pty Ltd
- Manufacture and distribute a range of electronic control equipment for a broad range of automation processes.
- PMMI, Inc.
- Manufactures electronics for caravans and camper vans, liquid and gas sampling equipment, and a calliope vehicle.
- Poteau Panel Shop, Inc.
- Custom control panel manufacturer.
- Powerbase Automation
- Manufacturer of embedded controls for the hydropower industry. Supplier of switchgear and related hardware.
- PQ Controls, Inc.
- Manufacturer of electronic controls including joysticks, slope and level sensors, linear actuators and other programmable controls.
- Precision Engine Controls Corporation
- Manufactures electronic controls, fuel metering valves, electric actuators, and condition monitoring systems for industrial gas turbines.
- PressureGauges.Net
- Supplying shock proof, dry or liquid filled, stainless-steel pressure gauges.
- Pro Joint International
- Manufacturer and export of microwave cookware, control cable, rod wipper seal, and u-cup seal suit for cars, construction machines, and more.
- Pt. Korosi Specindo
- Manufacturer and supplier of corrosion monitoring and chemical injection systems.
- Pyrosales, Pty Ltd
- Manufacturer of a range of temperature sensors.
- QSI Corporation
- Manufacturer of hand-held, panel-mount, graphics and character terminals for industrial and vehicle applications.
- Qube Corporation
- Designs and manufactures custom electrical and electronic enclosures and consoles using high performance plastic and a patented process.
- REOTEMP Instrument Corporation
- Manufacturers thermometers and temperature measuring instruments for commercial and industrial applications as well as pressure gauges and accessories.
- Richardson Electric, Inc.
- Supplies working control products and systems to all types of industry.
- Rieker Instrument Company, Inc.
- Makers of inclinometers, accelerometers, and tilt indicators.
- RoboGroup T.E.K.@
- RTD Company
- Designs custom temperature sensors, RTDs, thermocouples, and components.
- S. Himmelstein and Company
- Manufacturer of precision torquemeters, torque sensors and transducers, signal conditioning instrumentation, and programmable data acquisition systems.
- Salvio Busquets, S.A.
- Manufacturer of temperature probes, electronic instrumentation for measurement and control of temperature, pressure and relative humidity, and many others products.
- Scale-Tron
- Specialising in concrete, the company also offers custom design and engineering of load cell weighing systems for almost any application.
- ScanSense A/S
- Specialises in industrial sensors.
- Scantron
- Non-contact measuring equipment that uses laser technology for precision measurement.
- Schiebel
- Electric actuators.
- Scientific Engineering Instruments, Inc.
- Manufacturer of acoustic instrument systems for gas temperature and flow measurement in industrial thermal process environments.
- SELCO
- Relays for control and protection of diesel and gas generator sets.
- Sentran
- Manufacturer of load cells, load pins, sensors, torque transducers, weighing systems, weigh modules, indicators, and transmitters.
- Sevcon
- Manufactures electronic speed controllers suitable for all types of electric vehicles.
- Shih Shin Technology
- Manufactures regular, open frame, tubular, and massage solenoids, solenoid valves, electromagnets, and more.
- Sierra Instruments
- Manufacturer of thermal mass flow meters for gas, air, monitoring, emissions, cell-culture, fermenter, diesel, particulate and analyzer measurement.
- Sikora Indusrieelektronik GmbH
- Makes measurement, control, and testing equipment for the wire and cable industry.
- Solar Products, Inc.
- Manufacturers of infrared heaters, high purity quartz and furnaces for industrial applications.
- Solidyne Corporation
- Manufacturer of HVAC direct digital controls (DDC) and InnSite Accommodation Automation and Information System. Custom electronic digital design for OEM.
- SolveTech, Inc.
- Offering non-contact thickness gauges for plastic film and sheet manufacturing.
- Spectrex Corporation
- Manufacturers of air sampling pumps, monitors and particle counters for use with liquids.
- Sponsler Company, Inc.
- Manufacturer of turbine flowmeters and associated electronic devices and controls for liquid and gas measurement.
- Sprint Electric Corporation
- Offers a versatile range of CE-compliant motor controllers from 50 Watts to 225kW (300HP), designed and manufactured to the highest quality standards.
- SSAC
- Manufactures solid state controls: timers, flashers, HVAC, vending, liquid level, obstruction lighting, AC phase; voltage, current, phase monitors; current sensors; time delay, alternating, solid state relays.
- Status Instruments Ltd.
- Manufactures and supplies instrumentation and measurement devices for the process control industry.
- Straightpoint
- Specialises in manufacturing a range of products for force measurement and weighing.
- Supertron
- Products include thermocouple, heaters, liquid level sensors, relative humidity sensors, and analyzers.
- Sure Grip Controls Inc.
- Designers and manufacturers of custom control grips for construction, agriculture, and forestry equipment.
- Switzer Instrument Limited
- Syscon-RKC
- Temperature and process controllers ranging from discrete to multi-zone programmable units.
- Taian Jaya Electric
- Manufacturer of magnetic contactors and low voltage motor control devices.
- Tangent Systems, Inc
- Thermal monitoring hardware and software manufacturer.
- Taylor Dynamometer, Inc.
- Manufactures engine and chassis dynamometers for testing and diagnostics of diesel engines.
- TEI Controls, Inc.
- Manufacturer of electrical control panels for water and wastewater treatment.
- Teledyne Analytical Instruments
- Designing and manufacturing gas and liquid analyzers for industrial, OEM, and medical applications.
- Teleflex Incorporated (2)
- Teltherm Instruments Limited
- Handmade, hand-tested pressure gauges and thermometers calibrated to international specifications.
- Testar
- Manufacturer and supplier of LVDT and half bridge pencil probe transducers, conditioning electronics, modular measuring systems, dimensional gauges, and SPC.
- Testo
- A worldwide manufacturer of instruments and analyzers for emission and combustion testing.
- Thermalogic
- Temperature and process controls, thermistor and platinum RTD sensors, humidity transmitters and sensors.
- Thermedics Detection, Inc.
- Manufactures high speed inspection, monitoring and detection systems for the food, beverage, chemical, pharmaceutical and security industries.
- Thermo/Probes, Inc.
- Manufactures thermocouples, RTDs, thermowells, thermometers, and related parts.
- Time Mark Corporation
- Manufacturer of industrial and commercial electronic controls.
- TLC Controls, Inc.
- Design and build electrical controls manufacturer, engineering systems that include single or multi-pump installations for municipal water and wastewater systems.
- TLX Technologies
- Custom designer and manufacturer of solenoids, electro hydraulic valves, latching actuators, magnetic latches, and digital high speed smart airbag control valves.
- Tokheim Company
- Offers tank gauges, flame arrester, control valve, breather valve, overfill alarms, and more.
- TREK, INC.
- Designs and manufactures electronic equipment for the semiconductor and ESD markets.
- Trybus Company, Inc., The
- Manufactures numerical control tapes and supplies.
- Turotest
- Manufacturing instruments, gauges and sensors for automotive, marine and industrial panels. In Portuguese, Spanish, and English.
- U.S. Gauge
- Makers of pressure and temperature gauges, electronic pressure transducers and transmitters, liquid level instruments, and more
- Unico, Inc.
- Specialises in drives and systems.
- UniControls a.s.
- Research, develop, design and produce industrial control systems.
- United Controls International
- Manufactures custom control panels and systems.
- Valco Instruments Co. Inc.
- Manufacturer of analytical devices, components, and systems for HPLC, FIA, LC, GC, SFE, SFC, and process control.
- Velmex, Inc.
- Manufactures precision manual and motor driven positioning equipment, as well as XY, elevating, and rotary tables, and computer controlled multi-axis systems for scanning, indexing, and positioning.
- Venture Measurement
- Venture Measurement manufactures and sells instrumentation products, including level switches, inventory control systems, and liquid level gauges.
- Virginia Panel Corporation
- Manufacturer of interface connectors for the ATE industry for both military and commercial applications.
- Vortechs Automation, Inc.
- Provides PC based monitoring and control systems.
- Wagner Moisture Meters
- Producers of meters to measure moisture content in wood and concrete for the construction and timber industry.
- Wako Electronics USA, Inc.
- Manufacturer of temperature and pressure controlling devices.
- Waves Electronics
- Manufacturer of electrical, marine, and instrumentation control systems.
- Weed Instrument
- Manufactures temperature, pressure, and fibre optic instrumentation for industrial and nuclear-power generation applications.
- Weiss Instruments
- Produces thermometers, temperature, and pressure gauges for use in hydronics, hydraulics, refrigeration, and other applications.
- Whittam Precision
- Offers custom metal precision engraved rules, vernier scales, circular divided scales, index rings, and machine dials.
- Williams Controls
- Designer and manufacturer of an extensive line of electronic, pneumatic, and hydraulic controls.
- Windward Automation, Inc.
- Designer, builder and distributor of computer control systems.
- Xantrex
- Manufacturing a family of programmable DC power supplies for a variety of applications in industrial, educational, research and development environments.
- Xcel Controls, Inc
- Machine control design-fabrication-integration. process control systems. UP/DOC PLC (programmable logic controllers) programming-documentation. tower lighting and AR2 monitoring systems.
- Xycom, Inc.
- Manufacturer of industrial PC/AT computers, industrial workstations, control software, and VMEbus board-level products.
- Yokogawa Electric Corporation
- Distributed control systems for automating small and large industry.
- Zeltex Inc. - Hagerstown, MD
- Designs and manufactures near-IR analyzers for the petroleum, grain, food, cheese, and other industries.
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