Map for National Integrated Services Map for National Integrated Services Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Senior Services National Integrated Services 6117 Georges Park Canal Winchester, OH 43110 | directions (614) 906-3200 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.