about Established in 1989 in Tulsa, Oklahoma, with offices in Europe, Africa, Asia, and the Middle East, InterMark Inc. is the preferred supplier for seamless and welded tubing, casing, drill and line pipe requirements for the oil and petrochemical industry worldwide.

Our Commitment

Quality Steel

InterMark has partnerships with the most technologically advanced integrated API certified mills in North America, Europe, Russia and Asia. An in-house inspection team monitors every order produced around the world to guarantee the quality of our product.

Quality Connections

We are proud to be one of the largest suppliers of API and gas-tight connections to the international market. We offer premium connections for selected markets and customers for many advanced applications in harsh down-hole conditions with latest technological threads available in the oil industry today.