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Safety Advocacy Career Development. For over 50 years the Mechanical Contractors Association of Iowa has been recognized as a leader not only in the mechanical construction industry but also the commercial construction industry as a whole. 2025 MCAI Annual Meeting Registration Open Charleston SC Register Upcoming Events MCAI Event Calendar View Featured Services MCAI is dedicated to providing industryleading services and resources to members and industry fund contributors. MCAI Training Vault Take your companys training and record documentation to the next level with this easy to use system that helps you track and manage this important information.