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Industry · Mining, Quarrying, and Oil and Gas Extraction

Crude Petroleum Extraction

NAICS 211120 · 53,610 matched workers · high confidence

Strong Republican lean
39.7% Democratic, 60.3% Republican

Two-party shares across 53,610 workers in the Crude Petroleum Extraction industry.

39.7%
60.3%
DemocraticRepublican
Imputed
40.6% D · 59.4% R
Includes lean for unaffiliated registrants
Hierarchy
Mining, Quarrying, and Oil and Gas Extraction › Oil and Gas Extraction
NAICS2 21 · NAICS4 2111
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Where Crude Petroleum Extraction falls

More Republican than 69% of industries in Mining, Quarrying, and Oil and Gas Extraction.

← DemocraticRepublican →Drilling Oil and Gas Wells — 40% DemocraticSupport Activities for Oil and Gas Operations — 39% DemocraticNatural Gas Extraction — 38% DemocraticIron Ore Mining — 48% DemocraticOther Crushed and Broken Stone Mining and Quarrying — 39% DemocraticConstruction Sand and Gravel Mining — 40% DemocraticCopper, Nickel, Lead, and Zinc Mining — 44% DemocraticOther Metal Ore Mining — 42% DemocraticGold Ore and Silver Ore Mining — 41% DemocraticOther Nonmetallic Mineral Mining and Quarrying — 46% DemocraticCrushed and Broken Limestone Mining and Quarrying — 40% DemocraticUnderground Coal Mining — 28% DemocraticSurface Coal Mining — 35% DemocraticIndustrial Sand Mining — 45% DemocraticCrushed and Broken Granite Mining and Quarrying — 50% DemocraticCrude Petroleum Extraction — 40% Democratic0%25%50%75%100%
Each dot is one of the 15 other industries in Mining, Quarrying, and Oil and Gas Extraction; 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 Mining, Quarrying, and Oil and Gas Extraction

Other industries in Mining, Quarrying, and Oil and Gas Extraction

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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