Quality People

For over 40 years, NAMI has continued to be the most trusted mechanical contractor in the industry.

Building Solutions

Large project or small, we are working our hardest every day to deliver the highest quality mechanical systems.

Start Your Career with NAMI

Check out our careers page to find out how you can become part of our winning team.

Success Through Teamwork

NAMI is always working together to keep everyone safe and exceed expectations.

About Us

North American Mechanical, Inc. is Wisconsin’s premier Mechanical Contractor. With over 40 years of experience…


NAMI provides a full array of mechanical services to exceed our customer’s needs. Our mechanical services include…


We are the premier mechanical contractor in Wisconsin, offering competitive salaries with an outstanding benefits package…