Quality Certification Services Inc. uses a combination of full-time employees and part-time contracted auditors to perform the various functions for our cooperating DHI service providers.

To contact staff, inquire about QCS programs, or request additional information on any topic on this website, please use the information below.

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Steven J. Sievert
Manager, Quality Certification Services Inc.
P.O. Box 930399
421 S. Nine Mound Road
Verona, WI 53593
Office: 608-848-6455 extenstion 113
Fax: 608-848-7675

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Jay Mattison
CEO & Administrator, National DHIA/QCS
P.O. Box 930399
421 S. Nine Mound Road
Verona, WI 53593
Office: 608-848-6455 extenstion 111
Fax: 608-848-7675

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