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Acromag Signal Conditioners and Isolators
Adtech Adtech offers a complete line of process signal I/O Instrumentation. These include a large variety of high and low-level Signal Isolators,  Transmitters,  Alarms, Indicators and Loop Power Supplies
Advanced Flow Technology Advanced Flow Technology Company is a manufacturer and distributor of flow measurement products.
Advanced Specialty Gases SF6 Gas Supply, Analytical Services, Reclamation, Disposal
AEMC AEMC® Instruments manufacturers professional electrical test and measurement instruments for the industrial, commercial and utility marketplace.
Agilent Technologies Agilent brings to market more than 20,000 test, measurement and monitoring devices, semiconductor products and chemical analysis tools to help drive the communications and life sciences revolutions that transform the modern world.
Airflow AIRFLOW is a world leader in the design and manufacture of instruments for air flow measurement, Centrifugal fans and blosers for air movement and cooling.
Alcad Inc. Stationary Batteries & Battery Chargers
Altek Producing handheld calibrators for several variables encountered in the process control industries, ALTEK provides high-accuracy standards for calibrating devices used by the chemical, power production, food processing, pharmaceutical industries and many other types of processes around the world.
Ametek A leading manufacturer of advanced monitoring, testing, calibrating, measurement, and display instruments sold to the process, aerospace, power, and industrial markets.
Ametek - Gulton Statham Pressure Transducers and Transmitters
Ametek - Power & Industrial Optical Flame Scanner Systems for Boilers and Turbines, Thermocouple and Harness Assemblies for Gas Turbines
Amprobe A division of ATP, Amprobe™ offers a wide range of devices, which are the preferred choice of professionals for testing and measuring electrical properties in various field applications.
ARI ARi is a manufacturer of custom thermocouples, RTD's, and heaters and are recognized as an industry leader in products made from AerOpak®, their mineral insulated cable.
Ashcroft With products to suit virtually any application, Ashcroft pressure gauges, temperature instruments, pressure and temperature switches, transducers and transmitters are specified and trusted around the world for the most demanding requirements
AVO Biddle Megger provides a full service solution to meet your electrical test and measurement needs with products that provide testing solutions in the most critical maintenance areas including cable fault locating, protective relay testing, on-line monitoring of substation apparatus, and power quality testing.
Barton Instruments Barton Instrument Systems is a manufacturer of instruments and measurement information systems for the global process and bulk goods distribution industries. With more than 70 years experience, Barton’s product offering includes direct measurement devices for flow, level, pressure and temperature applications as well as fully integrated measurement systems solutions.
Basler Electric Generator Controls, Regulators, Exciters & Protective Relays
BJM Corporation The BJM Test Division features the award winning ALL-TEST electrical motor coil/winding analyzers for your complete PdM, Quality Control & Trouble Shooting.
BK Precision Specializing in the design and manufacture of high quality, cost-effective test and measurement products for over 50 years.
Bristol Babcock Bristol Babcock is a worldwide leader in the supply and commissioning of products, services, and engineered systems to the oil, gas, process control, power, water, and wastewater industries.
CAL Controls CAL Controls design and manufacture temperature & process control products for industrial, medical and scientific machinery / equipment.
Chatillon CHATILLON gauges, test stands, grips, fixtures and software for precise force measurement, superior accuracy and dependable performance.
Consolidated Devices America's largest manufacturer of industrial quality torque wrenches, torque testing, and calibration equipment.
Crompton Tyco Electronics Energy Division offers an extensive range of Crompton products designed for the measurement, control, indication, analysis and communication of power and energy consumption and power quality data.
DataTaker Inc. Manufactures Powerful and Flexible Data Acquisition & Data Logging Systems
Defelsko Corporation DeFelsko Corporation manufactures a complete line of non-destructive, hand-held coating thickness gages and inspection instruments.
Dent Instruments DENT Instruments can measure electrical loads, lighting, flow and consumption in gas, sewer, HVAC, steam, water and just about anything that you can hook a sensor to.
Dilo SF6 Gas Carts, Fittings, Analyzers, and Systems
Druck Druck is a world leading manufacturer of pressure sensors and test/calibration equipment with products that include transducers, transmitters, portable process calibrators, high speed pressure controllers, industrial deadweight testers and primary standard piston gauges.
Dwyer Dwyer Instruments is a leading manufacturer in the controls and instrumentation industry, with established brand names such as the Magnehelic® pressure gages, Photohelic® switch/gages, Rate Master® flowmeters, and Hi-Flow® valves.
Elcontrol Elcontrol Limited manufacture and market a wide range of Flame Sensing and Burner Control equipment.
Electroswitch Instrument and Control Switches
Empro Empro Shunts are designed for use with standard 50 or 100 millivolt movement switchboard indicating or recording instruments, calibrated in terms of the ampere rating of the shunts.
Fisher M-Scope Manufactures metal detectors for security, utility and hobby.
Fluke Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software.
Guildline Guildline Instruments manufactures and markets very high precision instruments for the fields of metrology and oceanography.
Hart Scientific Hart Scientific makes everything you need for calibrating thermometers including SPRTs, PRTs, thermistors, and thermocouples.
High Voltage Inc. VLF HiPots for AC Cable Testing, AC/DC Test Sets, Aerial Lift Testers, Resonant Systems and Thumper/Radar Systems
Hioki Manufacture and sale of electrical measurement instruments.
Instek Manufactures a broad line of test & measurement equipment.
InsulBoot Switchgear Bus Connection Insulating Boots and Wildlife Outage Protectors
Jofra A division of AMETEK, JOFRA dry block temperature calibrators are recognized worldwide for the dependability, accuracy, stability and quality.
Kessler-Ellis Products KEP manufactures superior flow computers, HIM software, counters, rate meters, PLC’s and all types of industrial instruments.
Knopp Knopp Inc, primary products are electricity meter and transformer test equipment, precision voltage and current transformers, and electrical instruments.
Lexington Reclosers Single & Three Phase Electronic and Hydraulic Reclosers for Distribution Line Applications
LFE Instruments LFE by Triplett, manufactures Analog & Digital Panel Meters and Meter Relays.
Martel Corporation Martel Electronics offers a diversified line of hand held and bench calibrators, process instruments, process indicators, and power supplies manufactured to the highest quality standards for the process industry.
Marwell A leading supplier of meter socket adapters for electric KWh meters
McDaniel Gauges McDaniel manufactures the largest and finest selection of pressure gauges available.
MIL-RAM Technonlgy, Inc. No False Alarms; Industrial Gas Detection Systems
Multitek PC&S/Multitek is a manufacturer of power measurement and control products for the electrical industry, including;
Transducers, Protective Relays, Power Monitors, Generator Monitors, Digital Panel Meters, etc…
Nelson Heat Trace Nelson has developed the industry’s broadest line of Heat Trace cables, controls, monitors and accessories.
Newport NEWPORT Electronics Signal Conditioners, Transmitters, Controllers and Meters, offers the broadest selection of: Signal Inputs, State-of-the-Art Technology, and Uncompromising Accuracy and Quality.
NGI/LEM Instruments  Lem Instruments is the combination of four renowned trade-names in instrumentation... ELMES, GOERZ, HEME, and NORMA...all under one roof offers you a comprehensive product range capable of satisfying your various measurement requirements
NovaTech SCADA Systems and RTUs, Orion/Orion 16 Multiprotocol IED Integration Devices
Pacer Industries Pacer Industries, Inc. has been developing and manufacturing precision measurement instruments for over 50 years. Our line of Anemometers, Manometers, Combustion Analyzers, Hygrometers, Thermometers, Sound Level Meters, Tachometers and Transmitters are some of the most accurate instruments available.
Panalarm AMETEK pressure transducers and transmitters are used in oil, gas and petrochemical production and distribution to operate reliably under harsh and extreme conditions.
Photovac Inc. Portable Gas Chromatography Photo Ionizing and Flame Ionizing Instruments, For Detection of Volatile Organic Compounds
Power Ten Power Ten designs, develops and manufactures high-power, adjustable output, switching-regulator power supplies for a broad spectrum of applications.
Pyromation Pyromation offers a large variety of thermocouple components and assemblies for use in virtually all high temperature heavy industrial process applications.
Raytek Raytek provides superior infrared temperature measurement
solutions for industrial and commercial users around the world.
Rice Lake Rice Lake Weighing Systems has been the leader in the industrial scale and process-control weighing industry for over 50 years.
RKI Instruments RKI Instruments, Inc. is an innovative company distributing advanced gas detection instruments and sensors.
Rycom RYCOM Instruments, Inc. makes underground utility locating easy with its advanced portfolio of locating equipment.
Scientific Columbus JEM Power Meters, Transducers and Test Equipment
Senix Senix Corporation manufactures, sells and support a wide range of ultrasonic sensor products used to measure distance to a remote object through the air without touching it.
Sensidyne Sensidyne manufactures and services Gas Detection Systems, Air Sampling Pumps, supplies Gas Detector Tubes  and Personal Instruments for the Health and Safety Industry.  Sensidyne also manufactures pulse oximeter sensors, pulse oximeter probes, and pulse oximeter cables for the medical community and manufactures miniature air pumps for OEM applications.
Shimpo Shimpo Instruments, a division of Nidec-Shimpo America Corporation, is a leading manufacturer/supplier of force, torque and speed evaluation instruments and accessories.
Simpson Simpson Electric is a company that has been manufacturing analog and digital panel meters, test and measurement equipment, automation instruments, and remote monitoring systems for over 65 years.
Soltec SOLTEC offers a complete range of professional, affordable, and highly reliable Digital Oscilliographs to fulfill all of your recording needs.
Spinlab Power Meter Test Equipment - Bird Dog CT Ratio Test Set
Stresstel StressTel manufactures a complete range of ultrasonic thickness gauges, flaw detectors, transducers, and bolt stress measurement instruments for a wide range of industrial applications.
Summit Technology Summit Technology is the manufacturer of the PowerSight family of electric power analyzers, providing extensive capabilities as demand analyzers, harmonic analyzers, power quality analyzers, power meters, and data loggers.
Tegam TEGAM is a manufacturer of electronic test and measurement equipment for metrology, calibration, and production test.
Tektronix Tektronix, Inc. is a test, measurement and monitoring company providing measurement solutions to the communications, computer and semiconductor industries worldwide.
Test Products Intl. "The Value Leader TM offers a complete line of handheld oscilloscopes, digital multimeters, digital clamp-on meters, gas detection instruments, combustion efficiency, refrigeration leak detectors, digital manometers, contact and infrared temperature instruments, oscilloscope probes, surface mount test clips, BNC-BNC molded coax cables, molded "F" cables, and a full inventory of accessories."
Thermacal ThermaCal Inc. manufactures unique Temperature Calibrators to test RTD, thermocouple, and other temperature sensors.
TIF A subsidiary of ATP, TIF has become the recognized leader in both electronic refrigerant leak detection and refrigerant measuring devices.
Triplett Triplett designs, manufactures, and markets electronic & electrical test & monitoring equipment for Panel Instrumentation, Digital Multimeters, Digital Clamp-on Ammeters, Analog Volt/Ohm Meters, Wire Tracing, LAN Cable Testing, Telecommunications Testers, Electrical Testers, Specialty Testers, and TDRs (Time Domain Reflectometers).
TSI Incorporated TSI's Ventilation Test Instruments are an integral part of enhancing the comfort, safety, and operating efficiency of indoor environments.
TSI, Inc. Particle and Air Quality Measuring Instruments, Respirator Fit Testers, CO/CO2, IAQ, & Respirable Particle Monitors, Air Velocity Monitors
U.E.I. Universal Enterprises Inc. designs & manufactures test & measurement equipment for Analog & Digital Multimeters (+ Clamp-on), Combustion - Kane May, Electrical Testers, Environment Testers, Insulation Resistance Testers, Leak Detection and Pressure, Specialty Testers, Temperature (Humidity, Infrared, Thermistor, & Thermocouple) and Thermometer (Pocket & Refrigeration /Oven).
U.S. Gauges U.S. Gauge is one of the world's leading suppliers of high quality, competitively priced pressure and temperature measurement products.
Unomat Part of the Druck portable calibration division, Unomat designs and manufactures portable field calibrators for the process-industry. The portable calibrators are used for calibration, testing and commissioning of temperature transmitters, pressure transmitters and other related instruments.
Vaisala Vaisala develops, manufactures and markets electronic measurement systems and equipment for meteorology, environmental sciences, traffic safety and industry.
Vitec, Inc. Manufacturers of Products for the Protective,
Predictive & Productive Maintenance Needs of Rotating Machinery.
Vitrek Vitrek Corporation is dedicated to providing the ultimate in product quality in the worldwide automated compliance test marketplace.
Walker Scientific Walker LDJ Scientific has over 130 years of combined experience in the manufacturing of quality Magnetizing Systems and Workstations.
Wavetek Meterman is a line of more than 60 test and measurement products designed for shop, tool bench, boat, home or back pocket.
Weschler Instruments Weschler manufactures measuring, display, control and protection instrumentation for utility and process control applications.
Xitron Technologies Utilizing its core Digital Signal Processing based measurement technology Xitron has developed an extensive line of Electrical Power measurement Devices.
Yokogawa Manufactures a broad line of test & measurement equipment.