NAICS Code 334515: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

National industry

SBA small business size standard: 750 employees

Definition

This U.S. industry comprises establishments primarily engaged in manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals. Examples of products made by these establishments are circuit and continuity testers, voltmeters, ohm meters, wattmeters, multimeters, and semiconductor test equipment.

Code facts

Contract awards
10,554 In the last 12 months
Contract obligations
$493,479,081 In FY2025

NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.

Business activities under NAICS 334515

  • Alternator and generator testers manufacturing
  • Ampere-hour meters manufacturing
  • Analyzers for testing electrical characteristics manufacturing
  • Audiofrequency oscillators manufacturing
  • Audiometers (except medical) manufacturing
  • Automotive electrical engine diagnostic equipment manufacturing
  • Battery testers, electrical, manufacturing
  • Bridges, electrical (e.g., Kelvin, megohm, vacuum tube, Wheatstone), manufacturing
  • Circuit testers manufacturing
  • Communications signal testing equipment
  • Current measuring equipment manufacturing
  • Decade boxes (i.e., capacitance, inductance, resistance) manufacturing
  • Demand meters, electric, manufacturing
  • Digital panel meters, electricity measuring, manufacturing
  • Digital test equipment (e.g., electronic and electrical circuits and equipment testing) manufacturing
  • Diode and transistor testers manufacturing
  • Distortion meters and analyzers manufacturing
  • Elapsed time meters, electronic, manufacturing
  • Electrical network analyzers manufacturing
  • Electrical power measuring equipment manufacturing
  • Electricity and electrical signal measuring instruments manufacturing
  • Electricity and electrical signal testing equipment manufacturing
  • Electron tube test equipment manufacturing
  • Electronic test equipment for testing electrical characteristics manufacturing
  • Energy measuring equipment, electrical, manufacturing
  • Field strength and intensity measuring equipment, electrical, manufacturing
  • Frequency meters (e.g., electrical, electronic, mechanical) manufacturing
  • Frequency synthesizers manufacturing
  • Function generators manufacturing
  • Galvanometers (except geophysical) manufacturing
  • Graphic recording meters, electric, manufacturing
  • Ignition testing instruments manufacturing
  • Impedance measuring equipment manufacturing
  • Indicating instruments, electric, manufacturing
  • Instrument shunts manufacturing
  • Instruments for measuring electrical quantities manufacturing
  • Instruments, electric (i.e., testing electrical characteristics), manufacturing
  • Integrated-circuit testers manufacturing
  • Integrating electricity meters manufacturing
  • Internal combustion engine analyzers (i.e., testing electrical characteristics) manufacturing
  • Kelvin bridges (i.e., electrical measuring instruments) manufacturing
  • Laboratory standards testing instruments (e.g., capacitance, electrical resistance, inductance) manufacturing
  • Logic circuit testers manufacturing
  • Measuring equipment for electronic and electrical circuits and equipment manufacturing
  • Measuring instruments and meters, electric, manufacturing
  • Meters, electrical (i.e., graphic recording, panelboard, pocket, portable), manufacturing
  • Meters, power factor and phase angle, manufacturing
  • Microwave test equipment manufacturing
  • Multimeters manufacturing
  • Ohmmeters manufacturing
  • Oscillators (e.g., instrument type audiofrequency and radiofrequency) manufacturing
  • Oscilloscopes manufacturing
  • Phase angle meters manufacturing
  • Portable test meters manufacturing
  • Potentiometric instruments (except industrial process-type) manufacturing
  • Power factor meters manufacturing
  • Power measuring equipment, electrical, manufacturing
  • Pulse (i.e., signal) generators manufacturing
  • Radar testing instruments, electric, manufacturing
  • Radiofrequency measuring equipment manufacturing
  • Radiofrequency oscillators manufacturing
  • Recorders, oscillographic, manufacturing
  • Relays (except electrical, electronic), instrument, manufacturing
  • Resistance measuring equipment manufacturing
  • Semiconductor test equipment manufacturing
  • Shunts, instrument, manufacturing
  • Signal generators and averagers manufacturing
  • Spark plug testing instruments, electric, manufacturing
  • Spectrum analyzers manufacturing
  • Standards and calibration equipment for electrical measuring manufacturing
  • Standing wave ratio measuring equipment manufacturing
  • Stroboscopes manufacturing
  • Sweep generators manufacturing
  • Sweep oscillators manufacturing
  • Synchroscopes manufacturing
  • Tachometer generators manufacturing
  • Test equipment for electronic and electrical circuits and equipment manufacturing
  • Test sets, ignition harness, manufacturing
  • Voltmeters manufacturing
  • Watt-hour and demand meters, combined, manufacturing
  • Watt-hour and time switch meters, combined, manufacturing
  • Watt-hour meters, electric, manufacturing
  • Wattmeters manufacturing
  • Waveform measuring and/or analyzing equipment manufacturing
  • Wheatstone bridges (i.e., electrical measuring instruments) manufacturing
  • X-Y recorders (i.e., plotters (except computer peripheral equipment)) manufacturing
Show all 86

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $852,838
FY2026 $417,665,150
FY2025 $493,479,081
FY2024 $501,841,515
FY2023 $399,456,286

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Astronics Test Systems Inc. $91,132,242
2 Teradyne, Inc. $40,969,905
3 General Dynamics Mission Systems, Inc. $29,428,135
4 Keysight Technologies Inc. $29,030,673
5 The Boeing Company $28,676,094
6 Innovative Defense Technologies, LLC $17,597,076
7 Fluke Electronics Corp $12,259,620
8 Rohde & Schwarz Usa, Inc. $9,822,183
9 Tyonek Machining And Fabrication, LLC $9,636,085
10 Textron Systems Corporation $7,690,812

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Army Department of Defense $166,004,384
2 Air Force Department of Defense $103,394,107
3 Department of the Navy Department of Defense $101,817,914
4 Defense Logistics Agency Department of Defense $12,111,930
5 Department of Commerce $7,643,893
6 Department of Transportation $7,062,949
7 National Aeronautics and Space Administration $4,466,594
8 General Services Administration $4,332,613
9 Federal Communications Commission $1,939,266
10 Department of Homeland Security $1,825,053

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Florida $95,362,044
2 Georgia $74,376,674
3 Arizona $32,321,570
4 Missouri $30,428,937
5 California $26,350,924
6 Virginia $24,781,630
7 Maryland $20,641,643
8 New Jersey $14,714,098
9 Washington $12,887,135
10 Texas $9,666,433
11 New York $8,915,553
12 Massachusetts $8,579,890
13 Oklahoma $7,769,476
14 Colorado $4,847,660
15 North Carolina $3,630,154
16 Michigan $3,345,935
17 Alabama $3,268,015
18 Tennessee $2,495,349
19 Illinois $2,474,798
20 Ohio $2,376,291
21 Pennsylvania $2,308,120
22 Rhode Island $1,558,770
23 District of Columbia $1,544,597
24 Indiana $1,458,767
25 Vermont $1,400,000
26 New Hampshire $805,009
27 Connecticut $702,649
28 South Carolina $613,477
29 Mississippi $468,609
30 Minnesota $466,587
31 Kansas $454,559
32 Oregon $426,835
33 Louisiana $377,031
34 Wisconsin $338,188
35 West Virginia $265,282
36 South Dakota $136,825
37 Alaska $134,000
38 Iowa $118,038
39 New Mexico $97,283
40 Nebraska $84,081
41 Nevada $57,737
42 Arkansas $56,060
43 Delaware $48,551
44 Maine $45,216
45 Idaho $41,683
46 Montana $36,007
47 Wyoming $34,926
Show all 47

Shares are of everything obligated under NAICS 334515 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
Power meter, power sensor, and and multimeter alongside warranty and calibration Solicitation · Department of Energy
Upgrade X-Ray Controller Solicitation · Air Force Sustainment Center (AFMC) · C27-003
Aircraft Electrical Component Test Stand (AECTS) Solicitation · Coast Guard
Ground Recording System (GRS) Pre-Solicitation · Armstrong Flight Research Center
Meter, electrical frequ Solicitation · Land and Maritime (DLA)
BK Connect Hardware and Software Maintenance Special Notice · Defense Health Agency
Request for Information Authorized Distributors/Resellers of Keysight Technologies Products Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Indicator, fault locati Solicitation · Land and Maritime (DLA) · SPE7M127T2169
Market Survey for the procurement of NSN 6150-01-455-4207/PN A3354293, 6150-01-486-6937/PN A3357168 (LOAD BANK, ELECTRICAL), 5945-01-577-2614/PN 335.01.0040 (RELAY, HYBRID) for Patriot EPP III (Electrical Power Plant III). Pre-Solicitation · Land and Maritime (DLA)
Rohde & Schwarz FSV3000 Signal and Spectrum Analyzers (or Equivalent) Solicitation · Shared Services Center
Total Small Business Set Aside for BNoE Lloyd Instrument Benching Testing Machine Solicitation · Naval Sea Systems Command (Navy)
Meter, special scale Award Notice · Land and Maritime (DLA) · SPE7M126T351J —
Meter, audio level Award Notice · Land and Maritime (DLA) · SPE7M127T0210 —
Radio Detection Kit with Accessories - No Alternatives Solicitation · Office of Science
6515--Wechsler Memory Scale Pre-Solicitation · Veterans Integrated Service Network 8 (VHA)
Notice of Sole Source Award -NOMAD-PILOT Handheld Spectrum Special Notice · Washington Headquarters Service
Metrology Grade Oscilloscope Pre-Solicitation · AFLCMC Wright Patterson AFB
F-35 GAU-22 and F/A-18 M61 Range Data Acquisition System Pre-Solicitation · Naval Sea Systems Command (Navy)
KOH cartridge Solicitation · Naval Supply Systems Command (Navy)
Diagnostic unit, engine Solicitation · Aviation (DLA)
Source Sought for Schneider Electric PowerLogic ION8650 Power and Energy Pre-Solicitation · Naval Facilities Engineering Command (Navy)
Detector, radio frequency Award Notice · Land and Maritime (DLA) —
Test box Award Notice · Land and Maritime (DLA) —
Resolver, Electrical Pre-Solicitation · Land and Maritime (DLA)
Meter, special scale Solicitation · Land and Maritime (DLA) · SPRAL127Q0008
Control-module Solicitation · Land and Maritime (DLA)
Meter, special scale Solicitation · Land and Maritime (DLA) · SPE7M127U1008
AN/ALQ-131(V) Electronic Countermeasures (ECM) Pod Test Lab Equipment Solicitation · AFLCMC Robins AFB
Versatile Diagnostic Automatic Test Station (VDATS) Ametek Award Notice · Air Force Sustainment Center (AFMC) —
MVG Software to integrate existing Test and Measurement Special Notice · Office of Naval Research (SECNAV)
Rohde & Schwarz BPA Award Notice · Air Force Sustainment Center (AFMC) —
Transducer, motional Solicitation · Naval Supply Systems Command (Navy)
OPAL RT hardware (OEM) of this equipment Special Notice · Naval Sea Systems Command (Navy)
Indicator, fault locati Solicitation · Land and Maritime (DLA) · SPE7M127U0992
Electrical and Electronic Properties Measuring and Testing Instruments Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Solicitation for Diagnostic Scan Tools W912CH27QA005 Solicitation · Department of the Army
Ammeter Award Notice · Land and Maritime (DLA) —
Upgrade X-Ray Controller Pre-Solicitation · Air Force Sustainment Center (AFMC) · C27-003
Server, automatic DA Solicitation · Land and Maritime (DLA)
Indicator, fault locati Solicitation · Land and Maritime (DLA) · SPE7M127U0960
Accelerometer Pre-Solicitation · Naval Supply Systems Command (Navy)
Meter, audio level Award Notice · Land and Maritime (DLA) · SPE7M126U6541 —
Test set, electrical cable Award Notice · Land and Maritime (DLA) —
Generator, signal Award Notice · Land and Maritime (DLA) —
CMC 500 Essential package Solicitation · Department of Energy
AFIT Lock in Amplifier Solicitation · AFLCMC Wright Patterson AFB
UH-60L/M Operational Test Program Sets Pre-Solicitation · California National Guard (ARNG)
Multimeter Award Notice · Land and Maritime (DLA) —
4 Series Mixed Signal Oscilloscope (MSO44B) Special Notice · National Aeronautics and Space Administration
Filter, wratten Award Notice · Medical Supply Chain (DLA) —
Show 40 more

Latest 50 of 21,593 listed here. See the rest on GovTribe.

Size standard history

Federal Register rules that named this code

From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.

Quick answers

What is NAICS 334515?

NAICS 334515 is Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, a national industry in NAICS 31-33, Manufacturing.

What is the NAICS code for ohmmeters manufacturing?

The NAICS code for ohmmeters manufacturing is 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals.

What is the NAICS code for voltmeters manufacturing?

The NAICS code for voltmeters manufacturing is 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals.

What is the NAICS code for wattmeters manufacturing?

The NAICS code for wattmeters manufacturing is 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals.

When did the size standard for NAICS 334515 last change?

The most recent Federal Register rule on record that names NAICS 334515 in the SBA's size standards is "Small Business Size Standards for Manufacturing" (81 FR 4469), published Jan 26, 2016 and effective Feb 26, 2016.

How much do federal agencies spend under NAICS 334515?

Federal contracts under NAICS 334515 obligated $493,479,081 in fiscal year 2025 and $1,813,294,870 in fiscal years 2023 through 2027.

Who are the largest contractors under NAICS 334515?

The contractors with the most obligated under NAICS 334515 in fiscal years 2026 and 2027 are Astronics Test Systems Inc. ($91,132,242); Teradyne, Inc. ($40,969,905); and General Dynamics Mission Systems, Inc. ($29,428,135).

Which agencies buy the most under NAICS 334515?

The agencies that obligated the most under NAICS 334515 in fiscal years 2026 and 2027 are Department of the Army ($166,004,384), Air Force ($103,394,107) and Department of the Navy ($101,817,914).

Which PSC codes are used with NAICS 334515?

The PSC codes with the most obligated under NAICS 334515 in fiscal years 2026 and 2027 are 6625 Electrical and Electronic Properties Measuring and Testing Instruments; 4920 Aircraft Maintenance and Repair Shop Specialized Equipment; and K058 Modification of Equipment: Communication, Detection, and Coherent Radiation Equipment.

Where is the work under NAICS 334515 performed?

By place of performance, the states with the most contract obligations under NAICS 334515 over the last 12 months are Florida ($95,362,044), Georgia ($74,376,674) and Arizona ($32,321,570).

What is the latest contract opportunity under NAICS 334515?

The latest contract opportunity under NAICS 334515 is Power meter, power sensor, and and multimeter alongside warranty and calibration, solicitation from Department of Energy, posted November 6, 2026.

On GovTribe

See everything under NAICS 334515

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