Map for necoTECH, LLC Map for necoTECH, LLC Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Research and Development in the Physical, Engineering, and Life Sciences necoTECH, LLC 70 South Sandusky Street, Suite 210Delaware, OH 43015 | directions (380) 800-1759 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.