John M. Campbell & Co.

John M. Campbell | PetroSkills is one of the most distinguished providers of facilities training in the oil and gas industry. Since 1968 John M. Campbell & Co. has been building our reputation with our "Gas Conditioning and Processing" course also known as “The Campbell Gas Course ” or the “Campbell G4”.

• ⌖   1215 Crossroads Blvd. Suite 230, Norman, United States of America

• ✉  training@petroskills.com