Licensed General Engineering (A) contractors in Diamond Bar, CA

The California Contractors State License Board (CSLB) lists 14 General Engineering (A) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

14 contractors

A E D Contractors
Diamond Bar, CA · CSLB #441036 · as of October 6, 2026
Active · clear
Aveo INC
Diamond Bar, CA · CSLB #969881 · as of October 6, 2026
Active · clear
CT & T Concrete Paving INC
Diamond Bar, CA · CSLB #875627 · as of October 6, 2026
Active · clear
Echo Development INC
Diamond Bar, CA · CSLB #993395 · as of October 6, 2026
Active · clear
Falkon Construction INC
Diamond Bar, CA · CSLB #911791 · as of October 6, 2026
Active · clear
Fueltec INC
Diamond Bar, CA · CSLB #1011678 · as of October 6, 2026
Active · clear
Grand Space
Diamond Bar, CA · CSLB #1075915 · as of October 6, 2026
Active · clear
Isre Interact Solutions Real Estate
Diamond Bar, CA · CSLB #1066181 · as of October 6, 2026
Active · clear
La Electrical & Construction INC
Diamond Bar, CA · CSLB #1119000 · as of October 6, 2026
Active · clear
Maj Engineering
Diamond Bar, CA · CSLB #1089238 · as of October 6, 2026
Active · clear
Mirae Construction CO
Diamond Bar, CA · CSLB #876472 · as of October 6, 2026
Active · clear
Place Construction & Development INC
Diamond Bar, CA · CSLB #515653 · as of October 6, 2026
Active · clear
Pub Construction INC
Diamond Bar, CA · CSLB #788668 · as of October 6, 2026
Active · clear
Tetra Tech Bas INC
Diamond Bar, CA · CSLB #572017 · as of October 6, 2026
Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.