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6300 Enterprise Lane
Madison, WI 53719
Phone: 608-310-6707

To learn more about DrJ, see our information on Code Compliance.

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Engineering Services

DrJ provides engineering and related services specializing in light-frame construction.

Product Certification

DrJ is an ISO/IEC 17065 accredited product certification body through ANSI Accreditation Services. 

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Learn more about DrJ and let us know how we can help with innovative products, processes and services. Knowledge, sound design and good installation always lead to success!

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