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OFS International LLC

OFS International LLC, also known as OFSi, is a privately held company which provides a full complement of services required to supply OCTG for the Oil and Gas industry. These services include inspection, couplings manufacturing, threading, storage, accessories, field services, and rig returns. OFSI is in a unique position of being able to offer premium connections including the manufacture of premium couplings. OFSi fully owns Threading and Precision Manufacturing LLC, also known as TPM, and has facilities in Houston, TX, Odessa, TX, Fort Worth, TX, and Darlington, PA.

OFSI is dedicated to providing the Oil & Gas industry with exceptional products and services, in a timely responsive manner, and takes pride in building a reputation on trust and integrity.

Meet the Team

Konstantin Semerikov

President and Chief Executive Officer and Member of the Board

Natalia Brewster

HR Director

David Clarke

General Manager, Houston

Bill Lutz

Quality Director

We are proud members of American Petroleum Institute.
List of our certifications include:

API 7-1




Our Quality Policy

OFS International implements and maintains a quality management system that consistently delivers quality products and services that meet applicable industry standards and exceeds customer expectations

We encourage continuous improvement to ensure products and services remain competitive.