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Business Directory
Member News
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Middleton Community Connections
About Us

The Sigma Group, Inc.

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Engineering

3510 Parmenter St Ste. 100 Middleton WI 53562
(414) 643-4200
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About Us

The Sigma Group (Sigma) is a 100% employee owned, award-winning consulting engineering firm headquartered in Southeastern Wisconsin.

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8383 Greenway Blvd, Ste 100

Middleton, WI 53562

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Hours: Monday - Thursday: 9:00 AM - 4:00 PM
Friday: 9:00 AM - 1:00 PM

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