Professional-Grade Mechanical
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Plumbing

Commercial Plumbing

At A&J Mechanical Contractors, Inc. we can handle all of your commercial plumbing needs. When it comes to expert plumbing, one call to us will get the job done.
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HVAC Service

HVAC

Contact us today for any of your commercial/industrial HVAC needs. We specialize in bid spec, design-build, remodel and new commercial construction

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Process piping

Process Piping

Northeast Wisconsin is home to an incredible amount of industry, and over the years our team has successfully completed many process piping projects large and small. 

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