GPD Group GPD Group Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Business & Professional Services >> Engineering Services GPD Group 1801 Watermark Drive, Suite 210Columbus, OH 43215 | map | directions 614-588-8081 | fax: (614) 210-0752 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.