Map for Barnes & Thornburg, LLP Map for Barnes & Thornburg, LLP Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Offices of Lawyers Barnes & Thornburg, LLP 41 South High Street, Suite 3300Columbus, OH 43215 | directions (614) 628-1452 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.