Map for Marcus A. Ross Attorney at Law, LPA Map for Marcus A. Ross Attorney at Law, LPA Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Offices of Lawyers Marcus A. Ross Attorney at Law, LPA 175 South Third Street, Suite 200Columbus, OH 43215 | directions (614) 484-0926 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.