JMAC, Inc. JMAC, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Finance & Insurance >> Investment Pools & Funds - Other JMAC, Inc. 200 West Nationwide BoulevardColumbus, OH 43215 | map | directions (614) 436-2418 | fax: (614) 436-2112 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.