Yokogawa Test & Measurement Corporation
TEGAM Inc.
SPEA S.p.A.
Sonic Tools USA
Snap-on Incorporated.
Seika Machinery Inc.
Seica SPA
RION Co., Ltd.
Phase Dynamics
Pep Boys
OTC Tools
Optima Technology Associates, Inc.

38 Circuit Tester Manufacturers in 2024

This section provides an overview for circuit testers as well as their applications and principles. Also, please take a look at the list of 38 circuit tester manufacturers and their company rankings. Here are the top-ranked circuit tester companies as of February, 2024: 1.Keysight Technologies, 2.Horizon Global Corporation, 3.Optima Technology Associates, Inc..

Table of Contents

List of 38 Circuit Tester Manufacturers

*Including some distributors, etc.

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    • TEGAM Inc.
      • United States of America Address: 10 Tegam Way, Geneva, Ohio, United States of America

      Manufacturer Overview

      TEGAM, established in 1979 and headquartered in Geneva, Ohio, USA, stands as a manufacturer and provider of advanced test and measurement solutions. The company serves industries such as electronics, telecommunications, and aerospace. Its product line encompasses precision measurement tools, temperature and humidity measurement devices, and RF power sensors, addressing the needs of sectors that prioritize precise measurements. TEGAM's quality is evident through its ISO 9001 certification and industry awards. American Association for Laboratory Accreditation (A2LA) has also accredited this company for its specific calibrations listed on Certificate Number 2018.01.

    • EXAIR LLC
      • United States of America Address: 11510 Goldcoast Dr, Cincinnati, Ohio, United States of America

      Manufacturer Overview

      EXAIR was incorporated in 1983 and based in the suburbs of Cincinnati, Ohio. EXAIR is a manufacturer of compressed air-operated products to solve problems in industrial plants. Customer solutions EXAIR addresses include cooling, cleaning, coating, conveying, drying, industrial housekeeping, static elimination, and optimization. EXAIR products include vortex tubes, air amplifiers, air knives, air-operated vacuums, ionizing products, air wipes, static eliminators, vacuum generators, vortex tubes, cabinet coolers for standard and hazardous location, cold gun air coolant systems, and other accessories.

    • Grace Technologies
      • United States of America Address: 1515 East Kimberly Road, Davenport, Iowa, United States of America

      Manufacturer Overview

      Grace Technologies is a manufacturer of electrical safety devices and predictive maintenance tools originally founded as Grace Engineering in 1993 before rebranding in 2020. Based in Davenport, Iowa, the company offers various panel interface connectors, voltage indicators or permanent electrical safety devices (PESDs), and IIoT smart sensor devices under the brand names GracePort, GracePESDs, and GraceSense. Grace Technology products are primarily used by clients in the manufacturing, energy, and infrastructure sectors, including by metal fabricators, water treatment facilities, and power plants.

    • IDEAL INDUSTRIES, INC.
      • United States of America Address: 1375 Park Avenue Sycamore, Illinois, United States of America

      Manufacturer Overview

      IDEAL Electrical, originally founded in 1916, is part of IDEAL INDUSTRIES, INC., is a manufacturer of wire connectors, tools, conduit benders, fish tapes and countless other products based in America. More than 6,000 tools and supplies make up the company's family of products with a state-of-the-art delivery system around the world. Their complete line includes Twist-On Wire Connectors, Push-In Wire Connectors, Grounding Wire Connectors, DataCom Wire Connectors, among others. Their line of electrical wire connectors is built to provide safe and dependable solutions for every application, whether it’s residential, commercial or industrial.

    • Cal-Van & Horizon Tool Inc.
      • United States of America Address: 7918 Industrial Village Rd. Greensboro, North Carolina, United States of America

      Manufacturer Overview

      Cal-Van & Horizon Tool Inc., established in 1980 and headquartered in Greensboro, North Carolina, USA, is a manufacturer of various automotive and mechanics tools. The company's product range includes multiple tools and equipment for professional mechanics, automotive technicians, and enthusiasts. It holds ISO 9001 certification, verifying its tools are built to rigorous standards. Its precision tools offer benefits such as enhanced efficiency, accuracy, and durability, resulting in cost-effective and stable solutions for various applications within the automotive and mechanical industries, serving professionals and DIYers alike with the comprehensive range of products.

    • Greenlee
      • United States of America Address: 8000 W. Florissant Avenue, Building AA, Street. Louis, Missouri, United States of America

      Manufacturer Overview

      Greenlee Textron, Inc., founded in 1862, operates as a significant manufacturer in the industrial and electrical tool industry. The company provides a range of products and solutions related to warehousing, transportation, and general storage. As a key contributor in the machinery manufacturing sector, Greenlee Textron, Inc. offers power-driven hand tools and other general purpose machinery, addressing various industrial needs. The company's business in multiple locations, including Rockford, IL, and Southaven, MS, underscores its run to serving diverse sectors and fulfilling the requirements of professionals worldwide.

    • FLUKE Corporation
      • United States of America Address: 6920 Seaway Blvd, Everett, Washington, United States of America

      Manufacturer Overview

      Headquartered in Everett, Washington, Fluke is an American-born company operating since 1948. Fluke offers a variety of testing equipment including digital multimeters, thermal cameras, solar PV testing equipment, thermometers, oscilloscopes, leak detection devices, as well as testing-equipment related accessories. Fluke offers direct online sales.

    • Snap-on Incorporated.
      • United States of America Address: 2801 80th Street, Kenosha, Wisconsin, United States of America

      Manufacturer Overview

      Snap-on Incorporated, a company founded in 1920, based in Kenosha, Wisconsin, USA, is a manufacturer and marketer of high-end tools and equipment for professional use in the transportation sector. The company provides a range of products, including wrenches, sockets, screwdrivers, pliers, diagnostic tools, power tools, and storage devices. These items are designed to satisfy the requirements of customers in the automotive, heavy-duty, equipment, marine, aviation, and railroad industries. It also provides customers with digital printing, graphic design, and engineering support services.

    • Phase Dynamics
      • United States of America Address: 1251 Columbia Drive Richardson, Texas, United States of America

      Company Overview

      Phase Dynamics, established in 1992 and based in Richardson, Texas, USA, is a manufacturer and supplier of precision water cut analyzers for the petroleum industry. The company's product range includes water-cut analyzers (low range, mid-range, full range, high range, pro-cut, razor), ppm analyzers, ccm multiphase meters, fiscal skid analyzers, and products under the marine division. These products are utilized for real-time measurement of fluids in pipelines, particularly in the petroleum sector. It serves industries such as oil production and processing. The company also offers services like FAQ support, wiring diagrams, enclosure drawings, and flow-through analyzer drawings.

    • Keysight Technologies
      • United States of America Address: 1400 Fountaingrove Parkway Santa Rosa, California, United States of America

      Company Overview

      Keysight Technologies, Inc. was founded in 1939 and headquartered in Santa Rosa, California. Keysight is a global developer and manufacturer of electronic design and test solutions to communications, networking, aerospace, defense, and government, automotive, energy, semiconductor, electronic, and education industries. Keysight’s communications solutions group solutions include electronic design automation software; radio frequency and microwave test solutions, hardware and virtual network test platforms and software applications, as well as optical laser source solutions. Keysight’s electronic industrial solutions group offers various design tools and verification tools. Keysight offers product support, technical support, and training and consulting services. It sells its products through direct sales force, distributors, resellers, and manufacturer's representatives.

    • Dorman Produts
      • United States of America Address: 3400 E. Walnut Street, Colmar, Pennsylvania, United States of America

      Company Overview

      Dorman Products, established in 1918 with headquarters in the USA, is a manufacturer and distributor of automotive aftermarket spare parts. The company's product portfolio includes intake and exhaust manifolds, automotive cooling products, harmonic balancers, fluid lines, fluid reservoirs, connectors, and many more. Dorman Products' products are sold under the Dorman brand and its sub-brands: OE Solutions, Help!, Conduct-Tite, and HD Solutions, through aftermarket retailers, regional and local warehouse distributors, specialty markets, and salvage yards. The company's replacement and upgrade parts are used in the motor vehicle aftermarket industry, serving vehicles that include passenger cars and light-, medium-, and heavy-duty trucks.

    • Seika Machinery Inc.
      • United States of America Address: 21241 S. Western Ave., Suite 140, Torrance, California, United States of America

      Distributor Overview

      Established in 1994, Seika Machinery, Inc. (SMI) has provided production equipment and engineering support services for the electronics and manufacturing industries. As a subsidiary of Seika Corporation in Tokyo, the company has offices in Los Angeles, San Francisco, and Atlanta, serving markets in the US, Canada, Mexico, and South America. Their services include sales and support for machinery and automation solutions, technical services, and local procurement for North American customers. The company also exports machinery, such as SMT and QA products to Asia, Japan, and Europe, leveraging its vast network to create new business opportunities.

    • Pep Boys
      • United States of America Address: 1 Presidential Blvd, Bala Cynwyd, Pennsylvania, United States of America

      Distributor Overview

      Pep Boys, founded in 1921 and currently a subsidiary of Icahn Enterprises, is an American supplier headquartered in Bala Cynwyd, Pennsylvania, providing automotive aftermarket services. The company offers various services in over 1,000 locations in the United States and Puerto Rico, all conducted by Automotive Service Excellence (ASE)-certified technicians. It also delivers routine maintenance and safety-related services in residential or workplaces with its Pep Boys Mobile Crew service. The company further provides the Pep Boys Towing service to transport vehicles to the nearest Pep Boys location for repair. It also offers the Pep Boys Corporate Fleet service for fleet companies.

    • Kyoritsu
      • Japan Address: 2-5-20 Nakane, Meguro-ku, Tokyo, Japan

      Manufacturer Overview

      Founded in 1940, Kyoritsu has an 80 year history as a customer-focused organization specializing in multimeters. Kyoritsu provides analog multimeters as well as digital multimeters with and without clamps offering many varieties of measurement.

    • Yokogawa Test & Measurement Corporation
      • Japan Address: 4-9-8 Myojin-cho, Hachioji-shi, Tokyo, Japan

      Manufacturer Overview

      Yokogawa Test & Measurement Corporation was founded in Japan in 1954. Yokogawa currently serves a wide array of industries including the aerospace, automotive, consumer electronics, semiconductor and telecommunications industries with both hardware and software solutions. Among Yokogawa’s suite of products are oscilloscopes, voltage probes, power analyzers and meters, data acquisition tools, optical test equipment, a wide variety of handled meters, calibrators, and testers; analog instruments, and manometers.

    • Ono Sokki
      • Japan Address: 3-9-3 Shin-Yokohama, Kohoku-ku, Yokohama , Kanagawa, Japan

      Manufacturer Overview

      Ono Sokki Co. Ltd., founded in 1954 and based in Yokohama, Japan, is a manufacturer, distributor, and supplier of electronic measuring instruments and control systems. Its products include sound level meters, vibration meters, and FFT analyzers, utilized in research and development, quality control, and by production line engineers, particularly in the automotive industry. The company was the first to be designated by the government as a producer of sound level meters in Japan and also obtained ISO 14001 certification in 1997.

    • RION Co., Ltd.
      • RION Co., Ltd.
        M-55

      • Japan Address: 3-20-41 Higashimotomachi, Kokubunji, Tokyo, Japan

      Manufacturer Overview

      Founded in 1944, Rion Corporation, based in Tokyo's Kokubunji City, is a precision equipment manufacturer. It specializes in three main sectors: environmental measurement instruments for noise and vibration analysis, medical equipment for hearing tests and hearing aids, and particle counters for semiconductor and pharmaceutical cleanliness measurement. Rion boasts significant market share in Japan, driven by its advanced technology and service excellence. In environmental measurement instruments, it offers noise meters, vibration meters, and frequency analyzers. In 2022, Rion expanded its environmental division by acquiring Norsonic AS, a prominent noise meter manufacturer. The company caters to diverse customers worldwide, including government agencies, research institutions, manufacturing industries, and R&D departments. With eight subsidiary companies (five in Japan and three overseas) and a global agent network spanning approximately 60 countries, Rion Corporation maintains a strong global presence.

    • Amprobe

      Manufacturer Overview

      Amprobe, founded in Everett, WA, in 1948 is a manufacturer of Ultrasonic Leak Detectors. The company's product portfolio includes battery testers, Electrical and HVAC Test and Measurement Tools, Digital Multimeters, Clamp Meters, and Wire Tracers & Cable Locators. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. They also provide services including product selection, installation, preventative maintenance, troubleshooting, and repair.

    • Milwaukee Tool.

      Manufacturer Overview

      Milwaukee Tool, established in 1924 and headquartered in Brookfield, Wisconsin, USA, is a manufacturer of heavy-duty power tools, hand tools, and accessories The company offers a wide array of accessories, such as bits, blades, and sockets, to complement their cordless and corded power tools, including hammer drills, saws, and wrenches. Milwaukee Tool's products are utilized by construction workers, mechanics, electricians, and contractors for various tasks, including drilling, sawing, fastening, vehicle repairs, electrical installations, and construction projects.

    • Nex Flow Air Products Corp.

      Manufacturer Overview

      Nex Flow Air Products Corp. was established in 1993 and based in Ontario, Canada, as a manufacturer of compressed air-operated products and accessories. Its products include air amplifiers and knives, air-operated conveyors, safety air blowoff guns, and air optimization products. It also manufactures compressed air accessories like stainless steel shim kits and temperature sensing labels. Its products comply with NEMA standards and are utilized for pharmaceutical, metalworking, general manufacturing, and automotive industries across North America, Thailand, Malaysia, India, and Indonesia. The company partnered with companies like Samsung, Ford, Nestle, and Toyota. It acquired NEMA 12, NEMA 3R, and NEMA 4-4x certifications.

    • Hoyt Electrical Instrument Works Inc.

      Manufacturer Overview

      Hoyt Electrical Instrument Works Inc., established in 1904, is a manufacturer of analog and digital panel meters, transformers, shunts, switches, and personal safety devices, located in Penacook, New Hampshire, the United States. The company’s products are designed to meet and exceed industry standards. It offers a wide range of test and measurement instruments, making its a comprehensive solution for customers’ needs. It is not only an analog panel manufacturer, but also has evolved to provide value-added custom solutions that keep the world spinning in the right direction.

    • Bosch Automotive Service Solutions Inc.

      Manufacturer Overview

      Bosch Automotive Service Solutions Inc. founded in the year 1866, and based in Stockport, United Kingdom, is a manufacturer and supplier of diagnostic devices. Their product portfolio includes a diverse range of diagnostics systems, tachs, gauges, and auto parts. The company offers quality products that are handy, precise, professional, and automotive diagnostic devices designed for everyday use in workshops. The products are used in various industries which include transportation, vehicles, agriculture, and construction for diagnosing and repairing solutions.

    • Lisle Corporation

      Manufacturer Overview

      Lisle Corporation, founded in Clarinda, IA, in 1903 is a manufacturer of automotive tools, mechanic's creepers and lubrication & tire products. The company's product portfolio includes Pickup Tools & Mirrors, Plug Gappers & Feeler Gauges, Pullers & Installers, Scrapers and Specialty Tool Displays. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company provides services such as Product Selection Guidance, Engineering Support, and Custom Manufacturing.

    • OTC Tools

      Manufacturer Overview

      OTC Tools, is a company founded in the year 1934, based in Minnesota, USA, as a manufacturer and supplier of tools and equipment. Their product portfolio includes service jacks, jack stands, pullers, motorcycle tools, slide hammers, suspension tools, scan tools, heavy-duty, and TPMS. The products are used in multiple industries which include electronic diagnostics, shop equipment, and inventory supplies. The company also provides customer service, technical support, promotions, and locations of best buy.

    • ACO Co.,Ltd.
      • Japan Address: 85-1 Otsuka, Hachioji-shi, Tokyo, Japan

      Company Overview

      ACO Co., Ltd., established in 1972 and headquartered in Hachioji-shi, Tokyo, Japan, is a manufacturer, distributor, and exporter of sound & vibration measuring instruments and sensors. The company manufactures high-temperature specification, preamplifier integrated, and measurement condenser microphones in various sizes including, ⅛ inch, ⅙ inch, ¼ inch, ½ inch, and 1-inch, which are utilized in construction and medical industries. ACCO also manufactures various vibration products including vibration level meters, acceleration pickups, vibration calibrators, as well as acoustic products such as ear simulators, windscreens, sound calibrators, windscreens, and infrasonic meters & sensors.

    • KAISE CORPORATION.
      • Japan Address: 422 Hayashinogo Ueda City, Nagano, Japan

      Company Overview

      Kaise Corporation, established in 1955 and headquartered in Ueda City, Nagano Prefecture, Japan, is a manufacturer and supplier of electronic measuring instruments. Its product lineup includes battery checkers, jump starters, code readers, as well as oscilloscopes, and circuit testers, primarily used in automotive maintenance. Additionally, the company offers digital multimeters, clamp meters, and insulation resistance meters. Its SK-8550 Battery Checker received the 2016 Maintenance Support Award at the Automotive Newspaper Accessories Awards.

    • Sonic Tools USA

      Company Overview

      Sonic Tools USA, is a division of Dutch-based company Sonic, established in 1995, is a manufacturer and supplier of hand tools and toolbox solutions based in Auburn, Alabama. The company’s product portfolio includes complete toolsets, toolboxes, modular cabinets, sonic foam systems, and portable tool solutions used in the automotive, aviation, and manufacturing industries. The company also offers hand tools such as pry bars, torque wrenches, sockets, hex keys, and wrenches including ring, adjustable, flare nut, hinged, and combination wrenches.

    • CTA Manufacturing

      Company Overview

      CTA Manufacturing, originally named Classic American Tools, founded in 1978, and headquartered in Carlstadt, New Jersey, USA, is a manufacturer and a distributor of automotive specialty tools. Its product line encompasses diverse automotive specialty tools, which are categorized into offerings such as engine tools, brake tools, oil & exhaust tools, suspension tools, and body & interior tools. These tools play essential roles in engine repair, brake system maintenance, oil changes, suspension system repair, and car body and interior upkeep, meeting the diverse needs of professionals in the automotive service sector.

    • Mac Tools

      Company Overview

      Mac Tools, founded in Westerville, OH in 1938 is a manufacturer of hand tools, power tools and related accessories. The company's product portfolio includes Hex and Torx Keys, Screwdrivers and Bits, Pliers, cordless tools and circuit testers. The company serves markets including Medical and Healthcare, Aerospace and Defense, Consumer Goods, Industrial Manufacturing and Construction and Building. The company has Distributors and Franchisees in the United States, Canada, Europe and Japan.

    • Company Overview

      Klein Tools is a fifth-generation family-run producer of hand tools founded in 187 and headquartered in Lincolnshire, Illinois. Klein Tools sells worldwide directly and through distributors. Klein Tools has a family of companies under its brand including Alco, Civitella, Mumme Tools, Tulmex, and Wattmaster. Klein Tools serves several industries including construction, HVAC/R, plumbing, telecom, municipal, and industrial. Some of the tools Klein Tools produces include non-contact voltage tester bens, multi-bit screwdrivers, digital circuit breaker finders, advanced circuit tracer kits, and multi-bit electronics screwdrivers.

    • InspectorTools

      Distributor Overview

      Inspector Tools, founded in 1999 and based in Ventura, California, is a distributor and supplier of test equipment catering to sectors such as facility maintenance, building inspection, and energy conservation. The company maintains a diverse inventory featuring products from over 20 brands, including Extech Instruments, Met One Instruments Inc., and General Wire Spring Company. Offerings range from home inspection kits to carbon monoxide detectors and infrared cameras. Inspector Tools provides customers with an online catalog showcasing its entire product range. Additionally, customers can create digital accounts for faster checkouts and access to order history.

    • Matco Tools Corporation

      Distributor Overview

      Matco Tools Corporation, founded in 1946 and based in Ohio, United States, manufactures professional equipment, storage and tools for automobiles and other industries. The company manufactures a range of electric tools, diagnostic tools, air tools, and hand tools such as screwdrivers, wrenches, gauges and more. Matco sells its automotive tools and products directly to its customers or through a network of independent franchised distributors. Matco Tools are distributed in Canada, Puerto Rico, and all 50 states of America.

Circuit Tester Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the circuit tester page as of February 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. Snap-on Incorporated.: 12,800
  2. RION Co., Ltd.: 998
  3. Ono Sokki: 613

Newly Established Company

  1. Seika Machinery Inc.: 1994 (30 years ago)
  2. Phase Dynamics: 1992 (32 years ago)
  3. SPEA S.p.A.: 1976 (48 years ago)

Company with a History

  1. Greenlee: 1862 (162 years ago)
  2. Snap-on Incorporated.: 1920 (104 years ago)
  3. Milwaukee Tool.: 1924 (100 years ago)

Circuit Tester Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Circuit Tester Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 15 68.2%
Japan Japan 6 27.3%
Italy Italy 1 4.5%

List of Circuit Tester Products

2 products are listed.

Custom Co., Ltd.

Industrial equipment measuring instrument analog testa CX-04MB

It is a feature of analog testa that it is easy to read the values ​​that change in a short cycle. ・ Built -in magnet on the back. The main unit ...

Price (without tax)

$ 29.70〜

1 model listed

Custom Co., Ltd.

Industrial equipment measuring instrument analog testa CX-07

It is a feature of analog testa that it is easy to read the values ​​that change in a short cycle. ■ Multifunctional models that can measure decib...

Price (without tax)

$ 29.04〜

1 model listed

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