Welcome to CityCarbonic.com. 

We are a hydro test facility located in the heart of Oklahoma City, Oklahoma.  We have developed an extensive background in the service and safety of compressed gas cylinders.


From sales, service, testing, training to specialized filling equipment, we can meet most any cylinder need.  We guarantee that all cylinders we inspect meet the DOT guidelines.

Take a look at our products and services, as we are sure to be your source for cylinder needs.