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Drilling, Blasting and Oil Field Work — California

167 records carry this classification in CSLB's records, as of November 3, 2026. Pick a city to see them.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

Drilling, Blasting and Oil Field Work — California License Records by City | LicenseOfRecord