Map for Optimal Contracting Map for Optimal Contracting Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Contractors-Building Optimal Contracting 7140 Sumption DriveNew Albany, OH 43054 | directions (614) 800-2541 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.