Become a Member

Build a Stronger, More Competitive Mechanical Contracting Business. Membership in the Mechanical Contractors Association of America connects your company to the most trusted education, advocacy, labor expertise, and industry partnerships in mechanical construction, service, and plumbing. Our members donโ€™t just stay current. They help shape the future of the industry.

Who are MCAA Members?

The Mechanical Contractors Association of America (MCAA) offers several membership options depending on your company’s role in the mechanical contracting industry. MCAA membership is designed to support contractors, manufacturers, and suppliers through education, industry collaboration, and business opportunities.

Use the information below to determine which membership is right for your company.

Questions or Need Help?

Not sure which membership option fits your organization? Weโ€™re happy to help.


Benefit from highly focused legislative and regulatory advocacy at the local, state, and national levels, ensuring your voice is represented on the issues that matter most.

Access hundreds of business resources, technical bulletins, webinars, newsletters, publications, and training materials to strengthen your companyโ€™s competitiveness and support informed decision-making.

MCAAโ€™s WebLEM, included as a benefit of membership for all members except NCPWB, can save you time by giving your estimators immediate 24/7 access to a systematic approach to labor estimating thatโ€™s proven successful for hundreds of mechanical contractors in generating hundreds of millions of dollars in annual construction.

From field leaders and project managers to safety directors and senior executives, MCAA offers targeted educational programs, including our world-class Advanced Leadership Institute, to help your employees and business grow and succeed.

Build lasting relationships through year-round networking opportunities with peers, contractors, and suppliers. Gain from our ongoing strategic collaboration with the leadership of the United Association, fostering strong labor-management relations across the industry.


Joining the National Certified Pipe Welding Bureau (NCPWB) has significantly improved our efficiency and compliance at Postler & Jaeckle Corporation.ย Access to preโ€‘qualified Welding and Brazing Procedure Specifications (WPS/BPS) has eliminated countless hours of development and testing, allowing our team to focus on quality execution rather than recreating procedures. The bureau advisory resources are a tremendous help with solving issues and best practices regarding code questions and specific materials.

Mike Schum, Operations Administrator, Postler & Jaeckle Corp

WebLEM is an online tool that allows MCAA member contractors to quickly and accurately estimate labor hours for different jobs.

How to Join

Ready to become a member?

  • Need Help? Have Questions?
    Our membership team is here to help you determine the best option for your company and guide you through the process. Contact us now.