People entering one of Bank of Oklahoma's 85 branches in the state need not leave their weapon in the car. They can bring it inside. Similarly, customers of American Eagle Towing in Oklahoma City will find that they and their holstered handguns are welcome. Mr. Hull is the general manager, and he openly wears a Ruger LC9 pistol while at the office.
http://www.nytimes.com/2012/10/31/us/oklahoma-prep
http://www.nytimes.com/2012/10/31/us/oklahoma-prep