NDA Connect LLC NDA Connect LLC Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Consultants-Marketing & Organizational Development NDA Connect LLC 1484 Ashdowne RoadUpper Arlington, OH 43221 | map | directions (937) 657-4626 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.