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Instruments for Measuring and Testing of Electricity and Electrical Signals
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SIC Industry 3825   —   NAICS² Industries  334514  &  334515

SIC [1987]  →  Manufacturing  →  Instruments & Related Products  →  Measuring & Controlling Devices  →  Instruments to measure electricity §



91  Registrants
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  ·   List them ordered by how active they’ve been   ·   List only Registrants currently in this Industry



As Of     Filer / IssuerLatest Filings     SIC
 (Latest)
In ascending orderAs: Filer    Re: Issuer    
Active (in the Past Year, since 9/26/21) in Industry 3825:
9/23/22
 CA
 
Aehr Test Systems  DEF 14A New Filing in the Past Week!  4 New Filing in the Past Week!  3825
9/6/22
 NY
 
Allied Motion Technologies Inc.  8-K  4  3825
6:13p ET
 CA
 
Cohu Inc.  10-Q  4
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  3825
8/12/22
 WA
 
Data I/O Corp.  10-Q  4  3825
9/22/22
 NY
 
Frequency Electronics Inc.  10-Q  4 New Filing in the Past Week!  3825
9/20/22
 CA
 
Giga Tronics Inc.  8-K  4 New Filing in the Past Week!  3825
4:27p ET
 NJ
 
Intest Corp.  8-K
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  4  3825
9/21/22
 WA
 
Itron, Inc. [ formerly Itron Inc./WA ]  10-Q  4 New Filing in the Past Week!  3825
1/20/22
 NC
 
Koolbridge Solar, Inc.  C-W  —  3825
9/7/22
 MD
 
Reliability Inc.  8-K  3 OLD  3825
5:02p ET
 MA
 
Teradyne, Inc.  8-K  4
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  3825
9/8/22
 NY
 
Transcat Inc.  8-K  4  3825
 — 12 — 
 
Active, but no longer SEC-assigned to, nor self-declared in, Industry 3825:
9/13/22
 CA
 
Agilent Technologies, Inc.  10-Q  4  3826
8/31/22
 OH
 
Crawford United Corp. [ formerly Hickok Inc. ]  SD  UPLOAD  3823
9/23/22
 CA
 
KLA Corp. [ formerly Kla Tencor Corp. ]  DEFA14A New Filing in the Past Week!  4 New Filing in the Past Week!  3827
9/13/22
 WI
 
Snap-on Inc.  10-Q  4  3420
9/8/22
 NJ
 
Wireless Telecom Group Inc.  8-K  4  3669
 — 5 — 
 
No Activity (in the Past Year) as a Registrant:
All Filings are OLD    
More...  List all, including 74 Inactive Registrants 
 



Businesses & Products of SIC Industry 3825
  • Alternator and generator testers
  • Ammeters
  • Ampere-hour meters
  • Analog-to-digital converters, electronic instrumentation type
  • Analyzers for testing electrical characteristics
  • Audiometers, except medical
  • Automotive ammeters and voltmeters
  • Battery testers, electrical
  • Bleed control cabinets (engine testers)
  • Bridges, electrical: e.g., Kelvin, Wheatstone, vacuum tube, and megohm
  • Current measuring equipment
  • Decade boxes: capacitance, inductance, and resistance
  • Demand meters, electric
  • Digital panel meters, electricity measuring
  • Digital test equipment, electronic and electrical circuits and equipment
  • Digital-to-analog converters, electronic instrumentation type
  • Diode and transistor testers
  • Distortion meters and analyzers
  • Elapsed time meters, electronic
  • Electron tube test equipment
  • Electronic test equipment for testing electrical characteristics
  • Energy measuring equipment, electrical
  • Field strength and intensity measuring equipment, electrical
  • Frequency meters: electrical, mechanical, and electronic
  • Frequency synthesizers
  • Function generators
  • Galvanometers, except geophysical
  • Ignition testing instruments
  • Impedance measuring equipment
  • Indicating instruments, electric
  • Instrument relays, all types
  • Instrument shunts
  • Instruments for measuring electrical quantities
  • Instruments, electric: for testing electrical characteristics
  • Integrated-circuit testers
  • Integrating electricity meters
  • Internal combustion engine analyzers, to test electrical characteristics
  • Laboratory standards, electric: resistance, inductance, and capacitance
  • Logic circuit testers
  • Measuring equipment for electronic and electrical circuits and equipment
  • Measuring instruments and meters, electric
  • Meters, electric: pocket, portable, panelboard, and graphic recording
  • Meters, power factor and phase angle
  • Microwave test equipment
  • Multimeters
  • Network analyzers
  • Ohmmeters
  • Oscillators, audiofrequency and radiofrequency (instrument types)
  • Oscillographs and oscilloscopes
  • Potentiometric instruments, except industrial process type
  • Power measuring equipment, electrical
  • Pulse (signal) generators
  • Radar testing instruments, electric
  • Radio apparatus analyzers for testing electrical characteristics
  • Radio set analyzers, electrical
  • Radio tube checkers, electrical
  • Radiofrequency measuring equipment
  • Recorders, oscillographic
  • Reflectometers, sliding shorts
  • Resistance measuring equipment
  • Semiconductor test equipment
  • Signal generators and averages
  • Spark plug testing instruments, electric
  • Spectrum analyzers
  • Standard cells
  • Standards and calibration equipment for electrical measuring, except laboratory
  • Standing wave ratio measuring equipment
  • Stroboscopes
  • Sweep generators
  • Sweep oscillators
  • Synchroscopes
  • Tachometer generators
  • Test equipment for electronic and electrical circuits and equipment
  • Test sets, ignition harness
  • Time code generators
  • Transformers, instrument: portable
  • Tube testers
  • Volt-ohm milliammeters
  • Voltmeters
  • Watt-hour and demand meters, combined
  • Watt-hour and time switch meters, combined
  • Watt-hour meters, electric
  • Wattmeters
  • Waveform measuring and/or analyzing equipment
  • X-Y recorders (plotters), except computer peripheral equipment


Description of SIC Industry 3825 — Instruments for Measuring and Testing of Electricity and Electrical Signals §
 
Establishments primarily engaged in manufacturing instruments for measuring the characteristics of electricity and electrical signals, such as voltmeters, ammeters, wattmeters, watt-hour meters, demand meters, and equipment for testing the electrical characteristics of electrical, radio, and communication circuits and of internal combustion engines.  Establishments primarily engaged in the manufacturing of electronic checkout, monitoring, evaluating, and other electronic support equipment for electronic navigational, radar, and sonar systems are classified in Industry 3812, and those manufacturing similar equipment for communications systems classified in Industry Group 366.


§  SEC Filings-Review Office (FRO) Assigned Filings-Review Responsibility
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OLS – Office of Life Sciences


²  North American Industry Classification System (NAICS)

SIC [1987] Industry 3825     ⇒     NAICS [2012] Industry Codes

NAICS Code  North American Industry    SIC Codes
In ascending order
334514Totalizing Fluid Meter and Counting Device Manufacturing  ⇒  3824,  3825,  3829
334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals  ⇒  3825
 

Global Industry Classification Standard    S&P DJI  /  MSCI 

SIC [SEC] Industry 3825   ⇒     GICS [2018] Sector  →  Sub-Industry  
Assigned by the SEC
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Assigned by S&P Dow Jones Indices / MSCI

  Sector   #    →    Sub-Industry   #        
 
Information Technology   7  Semiconductor Equipment   2
Electronic Equipment & Instruments   1
Industrials   2  
 
____________
 # of Major-Index Companies in both this SIC Industry and the GICS Sector / Sub-Industry.
 

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