EXCELLENCE

FROM START TO FINISH



Trusted Commercial Contractor Since 1958

Experienced Commercial And Industrial Mechanical Contractor

General Contractors and organizations throughout Northern Illinois and Southern Wisconsin have chosen Hartwig Mechanical, Inc. as their contractor of choice for more than six decades. Selecting the most qualified commercial and industrial contracting firm is essential in keeping your project on-time and on-budget. From two locations in Northern Illinois, Hartwig Mechanical, Inc. is your single-source mechanical contractor for plumbing, process piping, HVAC, refrigeration, and controls.