Donald J. Schonhardt & Associates, Inc. Donald J. Schonhardt & Associates, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Computers, IT & Technology >> Professional, Scientific, & Technical Services - Other Donald J. Schonhardt & Associates, Inc. 5307 Franklin StreetHilliard, OH 43026 | map | directions (614) 876-2020 | fax: (614) 876-2050 Visit Site Need to update your categories or expand your listing? Or want to learn how your business can become a part of the Chamber? Contact us at membership@columbus.org for assistance.