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Instruments for Measuring and Testing of Electricity and Electrical Signals

SIC Industry 3825   —   NAICS² Industries  334514  &  334515

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



93  Registrants  ·  List them ordered by how Active they have been



As Of     NameLatest Filings     SIC
 (Latest)
In ascending orderAs Filer    As Issuer    
Active (in the Past Year, since 7/11/19) in Industry 3825:
6/26/20
 CA
 
Aehr Test Systems  8-K  4  3825
6/23/20
 NY
 
Allied Motion Technologies Inc [ formerly Hathaway Corp ]  SD  4  3825
6/30/20
 CA
 
Cohu Inc  SD  4  3825
7/10/20
 WA
 
Data I/O Corp  SD  SC 13D New Filing this Past Week!  3825
7/8/20
Flag of Canada emoji
 
Exfo Inc. [ formerly Exfo Electro Optical Engineering Inc ]  6-K New Filing this Past Week!  SC 13G/A  3825
7/10/20
 NY
 
Frequency Electronics Inc  8-K  4 New Filing this Past Week!  3825
6/24/20
 CA
 
Giga Tronics Inc  8-K  SC 13G  3825
6/29/20
 NJ
 
Intest Corp  8-K  3  3825
7/6/20
 WA
 
Itron, Inc.  8-K  4 New Filing this Past Week!  3825
6/18/20
 MD
 
Reliability Inc  10-Q/A  3  3825
5/27/20
 MA
 
Teradyne, Inc  SD  4  3825
6/12/20
 NY
 
Transcat Inc [ formerly Transmation Inc ]  8-K  4  3825
6/10/20
 NJ
 
Wireless Telecom Group Inc [ formerly Noise Com Inc/NJ ]  8-K  4  3825
 — 13 — 
 
Active, but no longer SEC-assigned to nor self-declared in Industry 3825:
7/1/20
 CA
 
Agilent Technologies, Inc.  8-K  4  3826
9/17/19
 MN
 
ATRM Holdings, Inc. [ formerly Aetrium Inc ]  EFFECT  4  2452
7/2/20
 OH
 
Crawford United Corp [ formerly Hickok Inc ]  8-K  4  3823
7/7/20
 CA
 
Kla Corp [ formerly Kla Tencor Corp ]  SD  4 New Filing this Past Week!  3827
6/25/20
 WI
 
Snap-on Inc  11-K  4  3420
 — 5 — 
 
Not Active (in the Past Year) as a Registrant:
All Filings are OLD    
More...  List all, including 75 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 Review Office (RO) Assigned Filings-Review Responsibility

OLS – Office of Life Sciences


²  North American Industry Classification System (NAICS)

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

NAICS Code  N.A. Industry  [2012]    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
 
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