Acoustical Testing, Consulting, Research and Design

delivered above and
beyond expectations



Why Us?

With 30 years of experience in acoustical testing and consulting, NOAL provides “above and beyond” service by interpreting, diagnosing and problem solving your specific sound issues. NOAL's hard-working team is easy to work with and takes pride in making your job go smoothly.

Contact Us

We perform acoustic testing in the field and in the laboratory. Call us at (612) 355-1277, use the form below, or simply email at

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