Skip to content
Contact an Expert

Qualified Personnel

Bertelson, David Ethan

Ohio Department of Transportation
1620 W. Broad St.
Columbus, OH, USA


Certified for Certification # Start Date Exp. Date
Certified CNG Cylinder and Fuel System Inspector (CNG-FSI) U6154A June 10, 2013 June 09, 2018

Contact an

We’re always here to help. Let’s talk.

We’re here to answer your questions and help you get started right away. Call or send us a message anytime.

Contact Us