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Structural Steel in Ontario, CA

13 records with this classification and Ontario 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.

• AJ CLAREMONT STRUCTURAL STEEL FAB INC Work Comp Susp
  License 1137486 · expires May 31, 2027
• DESIGNER WORKS CLEAR
  License 986451 · expires August 31, 2027
• GLENN KRAUS FABRICATION CLEAR
  License 637291 · expires February 29, 2028
• JOURNEYMAN IRON WORKS CORPORATION CLEAR
  License 1065387 · expires April 30, 2028
• K P CONSTRUCTION CO INC CLEAR
  License 790555 · expires August 31, 2028
• KENNEDY STEEL CLEAR
  License 1086611 · expires January 31, 2028
• KP BUILDERS CLEAR
  License 983861 · expires May 31, 2027
• LUISA MARGARITA JIMENEZ HERRERA CLEAR
  License 1080360 · expires August 31, 2027
• MALDONADO INDUSTRIES CLEAR
  License 964663 · expires August 31, 2027
• MCINTYRE METAL DECKING CLEAR
  License 1078212 · expires July 31, 2027
• STEEL DESIGN BUILDERS INC CLEAR
  License 969622 · expires January 31, 2028
• THE MC INTYRE COMPANY A CALIF PARTNERSHIP CLEAR
  License 590332 · expires March 31, 2028
• WESTERN DECK AND STEEL ERECTION DBA WESTERN METAL DECK CLEAR
  License 550219 · expires December 31, 2026