The Oklahoma LP Gas Research, Marketing and Safety Commission
www.oklpgas.org
The National Propane Gas Association
www.npga.org
Propane Education and Safety Council
www.propanecouncil.org
Propane Kids
www.propanekids.com
PERC Agriculture
www.propane.com/agriculture
PERC Fuel
http://www.propane.com/on-road-fleets/
Build With Propane
http://www.buildwithpropane.com/
Propane Safety
http://www.propanecouncil.org/safety-and-training/
The Oklahoma LP Gas Administration
http://lpgas.ok.gov