Real Estate

Construction

Facility Services

Business Services

The Sigma Commercial companies were founded by Milwaukee-based entrepreneur Jeffrey L. Koenig, a lifelong Milwaukee resident with a passion for real estate, construction, architecture, and business. Quality, attention to detail, and a focus on our client’s needs drive our hard-working staff.

Currently Hiring:

Employment

At Sigma Commercial we are always looking for qualified, hardworking individuals to join our team.  If you are as passionate about your craft as we are about our business, please send us your resume along with a cover letter or description of your skills.

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