Our Mission

The Carpenters/Contractors Cooperation Committee (Quad C) is a non-profit watchdog organization established pursuant to the Federal Labor Management Cooperation Act of 1978 (29 U.S.C Sect. 175a).

For over 30 years, the Quad C has collaborated with local, state and federal civil and criminal law enforcement agencies across the Southwest region to crack down on payroll tax fraud, wage theft practices and other unlawful business practices that have a negative impact in the construction industry. We are committed to quality development and quality construction jobs. 


Additionally, the Quad C is now authorized to file direct legal actions against general contractors when their subcontractors violate labor laws on private construction projects. This is a powerful new enforcement tool to promote compliance, fairness and high quality standards. Other enforcement tools include the use of the Private Attorney General Act (PAGA). 

Our Results

Our collaborative enforcement actions have resulted in:​

  • Tens of millions of dollars in wage restitution to thousands of workers and assessment of penalties and fines to cheating contractors.

  • Contractors debarred from working on public works projects.

  • Company owners and supervisors charged with workers’ compensation, payroll tax fraud or grand theft charges and spending time in prison.

  • Contractors losing their contractor licenses.

  • Contractors modifying business practices to comply with the law and function as responsible businesses.


Our Work Covers: 

Carpenters/Contractors Cooperation Committee

For over 30 years we have promoted quality construction jobs in the Southwest through our vigorous labor compliance activities

533 S Fremont Ave, Suite 510

Los Angeles, CA 90071​

Tel: 213-738-9071

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