About Us

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) and committed to quality development and quality construction jobs.


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 unlawful business practices that hurt responsible contractors, workers and communities. 


Additionally, the Quad C monitors hundreds of construction projects ranging from public works to large multifamily, mixed-use residential construction projects. From case filing through planning and entitlement, our team actively participates in the development process. As we track the life of a project, the Quad C communicates our concerns about law-breaking contractors to developers, general contractors, city leaders, and planning departments. Once projects are in the construction phase, our team vigorously monitors projects to ensure compliance with the law.


The Quad C is also authorized to file direct legal actions against general contractors when their subcontractors violate labor laws on private construction projects. This is a powerful enforcement tool to promote compliance, fairness and high-quality standards.

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 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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