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Who We Are

First and foremost, we are all owners. As a 100 percent employee-owned company, each employee has a stake in what we do and how we do it. We are also industry leaders. As a perennial Top Contractor in ENR magazine, we take great pride in remaining innovative, using creativity and forward thinking to grow our organization from a residential plumbing company in 1932 to a national construction services company serving multiple markets today.

With more than 1,300 employees nationwide, MMC Corp -- based in Overland Park, KS -- is a commercial construction company with three brands: MW Builders, MMC Contractors, and Countywide Mechanical Systems. We are always looking for great people to add to the team. If you are ready to own your future, click on the a position below or contact us to find out more about employment opportunities.

We offer the following benefits:

  • Employee Stock Ownership Plan
  • 401(k)
  • Incentive Programs
  • Comprehensive Health, Dental, and Vision Insurance
  • Paid Time Off
  • Paid Holidays

Current Openings


EEO Employer

MMC Corp is proud to be an Equal Employment Opportunity/Affirmative Action Employer.

As an Equal Employment Opportunity employer, MMC Corp selects, develops, and promotes employees based on the individual’s ability and job performance. It is the policy of MMC Corp to provide Equal Employment Opportunity to all applicants and employees without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, gender identity, protected veteran status or any other protected characteristic.

MMC Corp is committed to working with and providing reasonable accommodation to individuals with disabilities. If you have a disability and need assistance in completing the employment application, please call our Human Resources Department at 913-956-3852. We will provide you with assistance and make a determination on your request for reasonable accommodation on a case-by-case basis.