PSI PSI Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Computers, IT & Technology >> Consulting Services - Other Scientific and Technical PSI 2740 Airport Drive, Suite 120Columbus, OH 43219 | map | directions (614) 454-6488 | fax: (614) 536-0019 Visit Site Connect With Us 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.