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Non-specialized in Covina, CA

6 records with this classification and Covina as their locality of record, from CSLB's records, as of November 3, 2026.

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.

• ABCO DUCT CLEANING CORPORATION CLEAR
  License 1003311 · expires April 30, 2027
• ALDCLA INC CLEAR
  License 616269 · expires October 31, 2028
• BALDWIN BUILDERS CLEAR
  License 992380 · expires April 30, 2028
• D & J ECHO ELECTRIC CLEAR
  License 932606 · expires May 31, 2027
• MTX DUCT CLEANING SERVICES CO CLEAR
  License 1128435 · expires October 31, 2028
• UTILITY BACKFLOW TESTING CO. CLEAR
  License 863907 · expires September 30, 2027