American Petroleum Institute

API 20C

Closed Die Forgings for Use in the Petroleum and Natural Gas Industry

21 companies listed on Oilfield Index hold API 20C (Closed Die Forgings for Use in the Petroleum and Natural Gas Industry), issued by the American Petroleum Institute.

Categories these companies serve

Certified companies 21

“API Composite List” means the company holds an active licence for this specification on the American Petroleum Institute’s public Composite List; “claimed by vendor” means the company lists it and the list does not confirm it. Certificate files are available to signed-in members. Claim your listing to keep yours current.