Xcel Mechanical Systems believes in the power and promise of our industry. We maintain active affiliations with leading professional associations. And, we partner with these organizations through the ongoing training, certification and professional development of our dedicated employees.


The Mechanical Contractors Association of America (MCAA) serves the unique needs of approximately 2,600 firms involved in heating, air conditioning, refrigeration, plumbing, piping, and mechanical service. We do this by providing our members with high-quality educational materials and programs to help them attain the highest level of managerial and technical expertise. MCAA includes the Mechanical Service Contractors of America, the Plumbing Contractors of America, the Manufacturer/Supplier Council, the Mechanical Contracting Education and Research Foundation and the National Certified Pipe Welding Bureau.


SMACNA is the Sheet Metal and Air Conditioning Contractors’ National Association. SMACNA is an internationally recognized standards-setting organization well-known for its technical standards and expertise in the HVAC and sheet metal industries. The voluntary technical standards and manuals developed by SMACNA Contractors have found worldwide acceptance by the construction community, as well as foreign government agencies.


California Association of Sheet Metal and Air Conditioning Contractors, National Association is a non-profit statewide trade association representing over 600 sheet metal and air conditioning contractors who employ more than 25,000 union employees and administrative personnel throughout the state of California. Our mission is to provide legislative and regulatory advocacy and program services. Our goal is to help unify the voice of our industry for the combined benefit of our companies, our employees, our communities and our industry.


CPMCA is the California Plumbing & Mechanical Contractors Association. CPMCA is the voice of the union plumbing and mechanical contracting industry in Southern California. The organization offers networking, education and advocacy programs to all plumbing and mechanical contracting companies — union and non-union – and career training to student

Local Union 105

The Sheet Metal Industry is unique because it is the only construction trade that designs, manufactures and installs its own products. Sheet Metal Shop Workers take ordinary pieces of flat metal and make them into specialized products like duct systems and solar panels. These products are usually specially designed for particular construction projects. Members of the trade are proud of its special distinction; it not only builds, it creates.

Southern California Pipe Trades District Council 16

The District Council 16 represents 14 local unions in Southern California. We are proud members of the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada. We are committed to providing the opportunities and protection our members and their families can rely on to build long, rewarding careers. In turn, our members deliver the highest level of craftsmanship in the industry.