Map for Columbia Gas of Ohio, Inc. Map for Columbia Gas of Ohio, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Public Utilities & Environment >> Solar Electric Power Generation Columbia Gas of Ohio, Inc. 290 W. Nationwide Blvd.Columbus, OH 43215 | directions (614) 738-4395 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.