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Boiler, Hot-Water Heating and Steam Fitting in Concord, CA

7 records with this classification and Concord 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.

• BAY AIR SYSTEMS INC CLEAR
  License 450929 · expires January 31, 2028
• CAL-NEVA ENVIRONMENTAL SYSTEMS CLEAR
  License 365546 · expires March 31, 2027
• LESCURE COMPANY INC CLEAR
  License 248204 · expires August 31, 2027
• MATRIX HG INC CLEAR
  License 812232 · expires September 30, 2028
• N V HEATHORN CO CLEAR
  License 761659 · expires April 30, 2027
• SWINERTON BUILDERS CLEAR
  License 92 · expires August 31, 2027
• U S T TESTING SERVICES INC CLEAR
  License 866797 · expires November 30, 2027