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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 §


        

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


        
As Of     Filer / IssuerSymbol
  (Prices)  
Latest Filings     SIC
 (Latest)
In ascending orderAs: Filer    Re: Issuer    
Active in the Past Year (since 3/28/23) in Industry 3825:
3/1/24
 CA
 
Aehr Test Systems  AEHR  10-Q  4  3825
3/25/24
 NY
 
Allient Inc. [ formerly Allied Motion Technologies Inc. ]  ALNT  8-K New Filing in the Past Week!  4  3825
3/18/24
 CA
 
Cohu Inc.  COHU  10-K  4  3825
3/27/24
 WA
 
Data I/O Corp.  DAIO  10-K New Filing in the Past Week!  SC 13G/A  3825
3/22/24
 NY
 
Frequency Electronics Inc.  FEIM  10-Q  4 New Filing in the Past Week!  3825
3/8/24
 CA
 
Gresham Worldwide, Inc. [ formerly Giga Tronics Inc. ]  GIGA  8-K  SC 13G/A  3825
3/27/24
 NJ
 
Intest Corp.  INTT  8-K
New Filing in the Past 24 Hours! emoji
  4  3825
3/26/24
 WA
 
Itron, Inc. [ formerly Itron Inc./WA ]  ITRI  ARS  4 New Filing in the Past Week!  3825
12/8/23
 NC
 
Koolbridge Solar, Inc.  D  —  3825
12/18/23
 NY
 
Motomova Inc.  MTMV  RW  UPLOAD OLD  3825
11/14/23
 MD
 
Reliability Inc.  RLBY  10-Q  3 OLD  3825
3/19/24
 MA
 
Teradyne, Inc.  TER  PRE 14A  4  3825
2/14/24
 NY
 
Transcat Inc.  TRNS  10-Q  4  3825
3/12/24
 MA
 
Veralto Corp.  VLTO  10-K  4  3825
 — 14 — 
 
Active, but no longer SEC-assigned to, nor self-declared in, Industry 3825:
3/27/24
 CA
 
Agilent Technologies, Inc.  A  8-K  4 New Filing in the Past Week!  3826
3/14/24
 OH
 
Crawford United Corp. [ formerly Hickok Inc. ]  CRAWA  10-K  4  3823
4:05p ET
 CA
 
KLA Corp. [ formerly Kla Tencor Corp. ]  KLAC  8-K  4
New Filing in the Past 24 Hours! emoji
  3827
4:36p ET
 WI
 
Snap-on Inc.  SNA  DEF 14A  144
New Filing in the Past 24 Hours! emoji
  3420
8/14/23
 NJ
 
Wireless Telecom Group Inc.  15-12G  4  3669
 — 5 — 
 
Not Active in the Past Year (prior to 3/28/23):
All Filings are OLD    
More...  List all, including 74 Inactive Registrants 
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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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OIA&S – Office of Industrial Applications & Services


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 [2023] 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 Materials & Equipment   5
Electronic Equipment & Instruments   1
Industrials   3  Environmental & Facilities Services   1
 
____________
 # of Major-Index Companies in both this SIC Industry and the GICS Sector / Sub-Industry.
 

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