M & J Underground Inc. is committed to maintaining the licenses, certifications, and industry affiliations needed to provide dependable underground utility and construction services in Monee, IL, and the surrounding Chicago South Suburbs.
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Business Certifications & Credentials
Woman-Owned Business (WBE)
Licensed Plumbing
IDPH #055043993
Better Business Bureau Accredited Business
A+ Rating
As a woman-owned business, M & J Underground Inc. is certified with:
Illinois Department of Transportation (IDOT)
City of Chicago
Capital Development Board (CDB)
These certifications reflect our commitment to professional standards and our ability to participate in qualifying utility and construction projects throughout Illinois.
