Martin Petersen Company is an industry leading full-service mechanical contractor located just off I-94 in Kenosha, Wisconsin. We perform HVAC, plumbing, service, custom fabrication, engineering and temperature controls services in Southeast Wisconsin and Northeast Illinois. We specialize in design/build projects utilizing our in-house engineering and estimating departments, 3-D BIM modeling, and our 80,000 square foot prefabrication shop. The majority of our customers are hospitals, universities, industrial businesses, and government and commercial clients. With annual volume over $100 million and employing over 270 employees, we are one of Wisconsin’s largest mechanical contractors. Our location provides an easy commute from Milwaukee, Kenosha, Racine, or Lake Counties.

We have a team focused culture emphasizing collaboration and performance.

Our philosophy is:

  • Hire talented individuals
  • Provide employees with training, tools, and resources to be successful
  • Empower employees to contribute to the success of the company
  • Reward performance
  • Promote from within

Common positions we hire:

  • Engineers & Engineering Interns
  • Project Managers & Project Manager Interns
  • Professional Office Staff
  • Pre-Apprentices (sheet metal, pipefitting, plumbing, HVAC service)
  • Apprentices (sheet metal, pipefitting, plumbing, HVAC service)
  • Journeymen (sheet metal, pipefitting, plumbing, HVAC service)
  • Foremen (sheet metal, pipefitting, plumbing, HVAC service)

If you are interested in becoming part of the MPC team, please view our postings on or submit your resume through the application below. Prospective employees will receive consideration based on qualifications without discrimination because of race, creed, color, sex, age, national origin, religion, disability or veteran status. As an Equal Opportunity Employer, we comply fully with all Federal and State laws and the information requested on this application will not be used for any purpose prohibited by law.

Contact us to discuss your project today.