Motz Engineering Motz Engineering Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Business & Professional Services >> Engineering Services Motz Engineering 34 W. Gay Street, Suite 100Columbus, OH 43215 | map | directions (614) 564-9773 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.