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Industry · Sector

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

NAICS 334515 · 15,365 matched workers · high confidence

Democratic lean
56.8% Democratic, 43.2% Republican

Two-party shares across 15,365 workers in the Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals industry.

56.8%
43.2%
DemocraticRepublican
Imputed
58.0% D · 42.0% R
Includes lean for unaffiliated registrants
Hierarchy
Sector › Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
NAICS2 — · NAICS4 3345
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Where Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals falls

More Democratic than 87% of industries in this sector.

← DemocraticRepublican →Semiconductor and Related Device Manufacturing — 58% DemocraticAutomobile and Light Duty Motor Vehicle Manufacturing — 58% DemocraticSurgical and Medical Instrument Manufacturing — 52% DemocraticAircraft Manufacturing — 50% DemocraticRadio and Television Broadcasting and Wireless Communications Equipment Manufacturing — 67% DemocraticSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing — 45% DemocraticAircraft Engine and Engine Parts Manufacturing — 46% DemocraticGuided Missile and Space Vehicle Manufacturing — 53% DemocraticElectromedical and Electrotherapeutic Apparatus Manufacturing — 50% DemocraticSurgical Appliance and Supplies Manufacturing — 48% DemocraticElectronic Computer Manufacturing — 54% DemocraticAnalytical Laboratory Instrument Manufacturing — 62% DemocraticOther Aircraft Parts and Auxiliary Equipment Manufacturing — 47% DemocraticPower, Distribution, and Specialty Transformer Manufacturing — 47% DemocraticManufacturing and Reproducing Magnetic and Optical Media — 62% DemocraticTelephone Apparatus Manufacturing — 60% DemocraticConstruction Machinery Manufacturing — 40% DemocraticOther Motor Vehicle Parts Manufacturing — 49% DemocraticComputer Terminal and Other Computer Peripheral Equipment Manufacturing — 54% DemocraticOther Electronic Component Manufacturing — 49% DemocraticCommercial and Service Industry Machinery Manufacturing — 50% DemocraticAir-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing — 42% DemocraticAll Other Industrial Machinery Manufacturing — 49% DemocraticBattery Manufacturing — 50% DemocraticSemiconductor Machinery Manufacturing — 59% DemocraticShip Building and Repairing — 51% DemocraticElevator and Moving Stairway Manufacturing — 50% DemocraticMotor Vehicle Electrical and Electronic Equipment Manufacturing — 50% DemocraticComputer Storage Device Manufacturing — 56% DemocraticOther Measuring and Controlling Device Manufacturing — 54% DemocraticAll Other Miscellaneous General Purpose Machinery Manufacturing — 47% DemocraticMajor Household Appliance Manufacturing — 49% DemocraticFarm Machinery and Equipment Manufacturing — 42% DemocraticAutomatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use — 43% DemocraticOphthalmic Goods Manufacturing — 54% DemocraticPower-Driven Handtool Manufacturing — 47% DemocraticAudio and Video Equipment Manufacturing — 62% DemocraticOther Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing — 55% DemocraticSporting and Athletic Goods Manufacturing — 49% DemocraticDoll, Toy, and Game Manufacturing — 69% DemocraticConveyor and Conveying Equipment Manufacturing — 44% DemocraticHeavy Duty Truck Manufacturing — 51% DemocraticAll Other Miscellaneous Manufacturing — 50% DemocraticDental Equipment and Supplies Manufacturing — 45% DemocraticIrradiation Apparatus Manufacturing — 53% DemocraticOil and Gas Field Machinery and Equipment Manufacturing — 38% DemocraticMotor Vehicle Transmission and Power Train Parts Manufacturing — 46% DemocraticAll Other Miscellaneous Electrical Equipment and Component Manufacturing — 49% DemocraticInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables — 47% DemocraticIron and Steel Mills and Ferroalloy Manufacturing — 38% DemocraticMotor Vehicle Seating and Interior Trim Manufacturing — 54% DemocraticJewelry and Silverware Manufacturing — 66% DemocraticMotor Vehicle Body Manufacturing — 48% DemocraticMeasuring, Dispensing, and Other Pumping Equipment Manufacturing — 46% DemocraticFluid Power Valve and Hose Fitting Manufacturing — 41% DemocraticMotor and Generator Manufacturing — 38% DemocraticAir and Gas Compressor Manufacturing — 42% DemocraticOther Communications Equipment Manufacturing — 49% DemocraticRelay and Industrial Control Manufacturing — 41% DemocraticElectric Lamp Bulb and Other Lighting Equipment Manufacturing — 52% DemocraticSmall Electrical Appliance Manufacturing — 53% DemocraticPlumbing Fixture Fitting and Trim Manufacturing — 42% DemocraticSmall Arms, Ordnance, and Ordnance Accessories Manufacturing — 48% DemocraticPrinted Circuit Assembly (Electronic Assembly) Manufacturing — 53% DemocraticRolled Steel Shape Manufacturing — 46% DemocraticRailroad Rolling Stock Manufacturing — 47% DemocraticUpholstered Household Furniture Manufacturing — 57% DemocraticTurbine and Turbine Generator Set Units Manufacturing — 56% DemocraticOffice Furniture (except Wood) Manufacturing — 53% DemocraticMetal Window and Door Manufacturing — 52% DemocraticMotorcycle, Bicycle, and Parts Manufacturing — 51% DemocraticHeating Equipment (except Warm Air Furnaces) Manufacturing — 43% DemocraticFood Product Machinery Manufacturing — 48% DemocraticIndustrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing — 42% DemocraticLawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing — 39% DemocraticMetal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing — 58% DemocraticElectronic Connector Manufacturing — 47% DemocraticSaw Blade and Handtool Manufacturing — 46% DemocraticMotor Vehicle Brake System Manufacturing — 50% DemocraticOrnamental and Architectural Metal Work Manufacturing — 47% DemocraticOther Engine Equipment Manufacturing — 46% DemocraticMattress Manufacturing — 50% DemocraticGuided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing — 53% DemocraticHardware Manufacturing — 50% DemocraticPackaging Machinery Manufacturing — 42% DemocraticCurrent-Carrying Wiring Device Manufacturing — 48% DemocraticFabricated Structural Metal Manufacturing — 40% DemocraticFluid Power Pump and Motor Manufacturing — 45% DemocraticOther Aluminum Rolling, Drawing, and Extruding — 51% DemocraticMotor Vehicle Gasoline Engine and Engine Parts Manufacturing — 45% DemocraticIndustrial Valve Manufacturing — 44% DemocraticAll Other Transportation Equipment Manufacturing — 40% DemocraticOther Communication and Energy Wire Manufacturing — 44% DemocraticIndustrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing — 46% DemocraticWood Kitchen Cabinet and Countertop Manufacturing — 50% DemocraticBolt, Nut, Screw, Rivet, and Washer Manufacturing — 47% DemocraticWelding and Soldering Equipment Manufacturing — 40% DemocraticMotor Vehicle Steering and Suspension Components (except Spring) Manufacturing — 49% DemocraticAll Other Miscellaneous Fabricated Metal Product Manufacturing — 43% DemocraticWood Office Furniture Manufacturing — 49% DemocraticCommercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing — 47% DemocraticAmmunition (except Small Arms) Manufacturing — 38% DemocraticIron and Steel Pipe and Tube Manufacturing from Purchased Steel — 43% DemocraticMachine Shops — 52% DemocraticMilitary Armored Vehicle, Tank, and Tank Component Manufacturing — 46% DemocraticMetal Tank (Heavy Gauge) Manufacturing — 39% DemocraticMachine Tool Manufacturing — 37% DemocraticPrefabricated Metal Building and Component Manufacturing — 45% DemocraticOverhead Traveling Crane, Hoist, and Monorail System Manufacturing — 41% DemocraticCutting Tool and Machine Tool Accessory Manufacturing — 38% DemocraticFluid Power Cylinder and Actuator Manufacturing — 39% DemocraticMining Machinery and Equipment Manufacturing — 39% DemocraticMetal Can Manufacturing — 44% DemocraticAlumina Refining and Primary Aluminum Production — 46% DemocraticSign Manufacturing — 43% DemocraticCapacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing — 49% DemocraticAluminum Sheet, Plate, and Foil Manufacturing — 43% DemocraticOther Metal Container Manufacturing — 43% DemocraticFabricated Pipe and Pipe Fitting Manufacturing — 37% DemocraticSheet Metal Work Manufacturing — 41% DemocraticSwitchgear and Switchboard Apparatus Manufacturing — 61% DemocraticTruck Trailer Manufacturing — 40% DemocraticFiber Optic Cable Manufacturing — 47% DemocraticPower Boiler and Heat Exchanger Manufacturing — 45% DemocraticSpeed Changer, Industrial High-Speed Drive, and Gear Manufacturing — 38% DemocraticMusical Instrument Manufacturing — 62% DemocraticSecondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) — 42% DemocraticBoat Building — 33% DemocraticBlind and Shade Manufacturing — 65% DemocraticGasket, Packing, and Sealing Device Manufacturing — 48% DemocraticOther Fabricated Wire Product Manufacturing — 42% DemocraticTotalizing Fluid Meter and Counting Device Manufacturing — 42% DemocraticBare Printed Circuit Board Manufacturing — 47% DemocraticCarbon and Graphite Product Manufacturing — 52% DemocraticNonferrous Metal (except Aluminum) Smelting and Refining — 40% DemocraticResidential Electric Lighting Fixture Manufacturing — 58% DemocraticBall and Roller Bearing Manufacturing — 44% DemocraticInstitutional Furniture Manufacturing — 55% DemocraticShowcase, Partition, Shelving, and Locker Manufacturing — 59% DemocraticNonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding — 40% DemocraticSmall Arms Ammunition Manufacturing — 28% DemocraticMotor Home Manufacturing — 26% DemocraticSawmill, Woodworking, and Paper Machinery Manufacturing — 35% DemocraticDental Laboratories — 61% DemocraticBurial Casket Manufacturing — 42% DemocraticNonupholstered Wood Household Furniture Manufacturing — 57% DemocraticMetal Heat Treating — 43% DemocraticHousehold Furniture (except Wood and Upholstered) Manufacturing — 33% DemocraticSteel Investment Foundries — 52% DemocraticNonferrous Metal Die-Casting Foundries — 51% DemocraticMetal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers — 42% DemocraticMechanical Power Transmission Equipment Manufacturing — 47% DemocraticPrecision Turned Product Manufacturing — 59% DemocraticOther Metal Valve and Pipe Fitting Manufacturing — 51% DemocraticRolling Mill and Other Metalworking Machinery Manufacturing — 53% DemocraticNoncurrent-Carrying Wiring Device Manufacturing — 55% DemocraticCustom Roll Forming — 27% DemocraticOther Nonferrous Metal Foundries (except Die-Casting) — 37% DemocraticIron and Steel Forging — 46% DemocraticOffice Supplies (except Paper) Manufacturing — 53% DemocraticSteel Wire Drawing — 37% DemocraticSecondary Smelting and Alloying of Aluminum — 35% DemocraticFastener, Button, Needle, and Pin Manufacturing — 48% DemocraticIron Foundries — 31% DemocraticTravel Trailer and Camper Manufacturing — 39% DemocraticMotor Vehicle Metal Stamping — 43% DemocraticElectroplating, Plating, Polishing, Anodizing, and Coloring — 34% DemocraticIndustrial Mold Manufacturing — 48% DemocraticCustom Architectural Woodwork and Millwork Manufacturing — 39% DemocraticBroom, Brush, and Mop Manufacturing — 64% DemocraticMetal Crown, Closure, and Other Metal Stamping (except Automotive) — 22% DemocraticCopper Rolling, Drawing, Extruding, and Alloying — 28% DemocraticSpring Manufacturing — 61% DemocraticSpecial Die and Tool, Die Set, Jig, and Fixture Manufacturing — 23% DemocraticInstrument Manufacturing for Measuring and Testing Electricity and Electrical Signals — 57% Democratic0%25%50%75%100%
Each dot is one of the 174 other industries in this sector; size scales by workforce. Hover to see names — click to jump.

How this is measured

VRscores estimate the partisan composition of an industry by linking voter registration records to employment profiles, then aggregating workers up the NAICS hierarchy. The two-party shares above exclude workers with no major-party affiliation.

Read the full methodology or the published Organization Science paper.

Top employers in this sector

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Citation

Kagan, Max; Frake, Justin; Hurst, Reuben (2026). “VRscores: A New Measure and Data Set of Workforce Politics Using Voter Registrations.” Organization Science, 37(2), 444–465.
https://doi.org/10.1287/orsc.2025.20402