Featured Resources

WebLEM

WebLEM is the industry’s most reliable authority for comprehensive labor units for typical project tasks. Quickly search for and retrieve information. WebLEM is reviewed and updated to reflect the latest products and joining methods. You will need your MCAA.org username and password to log in to WebLEM. For WebLEM access questions, please refer to the WebLEM Access FAQs page.

National Service and Maintenance Agreement

The National Service and Maintenance Agreement is an agreement negotiated and administered by the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry (UA) and the Mechanical Service Contractors of America (MSCA) and is a signed contract between the UA and individual mechanical service contracting firms who apply and qualify. The Agreement is a nationally recognized tool that helps contractors provide quality, consistent service to their customers throughout the country and helps reclaim lost market share.

Collective Bargaining Guide and Legal Analysis

This guide provides practical information to help mechanical contractors prepare properly for bargaining, understand what to expect, avoid common pitfalls, and achieve better results. That includes being familiar with both the policy/legal context and the real, pragmatic steps of bargaining, which are presented in plain English.

MCAA Sponsorship Prospectus

Explore exclusive ways to connect with contractors, leaders, and decision-makers throughout the year. This prospectus gives you everything you need for planning the year ahead for MCAA exhibits, brand visibility, and supporting the future of our industry.

Of Interest

More than 450 safety and health professionals from across the construction industry convened in Austin for the 2026 Safety & Health Conference, hosted jointly by the Mechanical Contractors Association of America (MCAA), the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), and The Association of Union Constructors (TAUC). Over several days, attendees reaffirmed a shared commitment to elevating safety, protecting workers, and strengthening collaborative industry partnerships.

MCAA’s Field Leaders Conference is where field leaders realize their importance and value as professionals and members of the management team. When your field leaders join us in September, they will learn the skills they need to be business, and results, oriented managers focused on growing company profits and brand. Register them today!

MCAA’s Virtual Trade Show connects our contractor members with the members of MCAA’s Manufacturer/Supplier Council.

The Mechanical Contractors Association of America (MCAA) has announced a strategic realignment of key staff roles designed to strengthen member service and support the Association’s long-term strategic objectives. These leadership changes align staff expertise with organizational priorities to enhance engagement, operations, education, and advocacy efforts.

MCAA and long-time safety partner CNA bring you the MCAA/CNA Safety Excellence Awards Program—one of the most prestigious recognitions in our industry. These annual awards honor MCAA member companies for outstanding safety programs and innovative safety initiatives, because nothing is more important than protecting the health and safety of our workforce. Take a moment to showcase your company’s success—apply today!

As part of its ongoing commitment to protecting your livelihood and setting the stage for a bright future, MCAA has secured the services of Longbow Public Policy Group to advise our MCAA Government Affairs Committee (GAC). GAC Chair, Jim Gaffney will be passing along information relative to our industry on a regular basis.

MCAA is pleased to share that SMACNA leadership has selected Frank Wall as its next Chief Executive Officer as the organization moves in a new direction at the CEO level.

MCAA is delighted to announce three new hires who will strengthen its safety, training, and project management offerings: Michael (Mike) Nahas will lead the association’s Safety Excellence Initiative as Executive Director of Safety, Health & Risk Management; Grant Campbell will oversee and expand national education programming as Director of MSCA Training; and Sarah Davis will manage and deliver MCAA’s in‑person project management programs as Associate Director of Project Management Education.

During the annual Safety & Health Conference in Austin, Texas, MCAA and Milwaukee Tool announced the 2025 winner of the Safety Professional of the Year: Calvin Clark of Enerfab.

Collective bargaining is inherently challenging because it requires navigating complex negotiations with unions, managing legal risks such as antitrust exposure and unfair labor practice claims, and balancing competitive business needs with long term labor management stability. MCAA’s 2025 Collective Bargaining Guide and Legal Analysis provides practical information to help mechanical contractors prepare properly for bargaining, understand what to expect, avoid common pitfalls, and achieve better results. It’s just one of MCAA’s educational resources that are free to MCAA members as a benefit of membership.

The Manufacturer/Supplier Training area of MCAA’s website connects our contractor members with training opportunities available from the members of MCAA’s Manufacturer/Supplier Council.

MCAA’s Field Leaders Conference is where field leaders realize their importance and value as professionals and members of the management team. When your field leaders join us in May, they will learn the skills they need to be business, and results, oriented managers focused on growing company profits and brand. Register them today!

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October 21 – 24, 2029
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November 3 – 6, 2030
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View Full Calendar

Featured Events
January 26 – 28, 2026

Known as the best technology conference for mechanical, electrical, plumbing, service and sheet metal contractors, this conference will provide educational sessions led by contractors from all three trade associations.

March 15 – 19, 2026

Enjoy MCAA’s premier event with an abundance of educational workshops, riveting special sessions, outstanding exhibits, and social functions that never fail to amaze and delight.