EX-21.1 3 drq-ex21_1.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF DRIL-QUIP, INC.

Name of Entity | Jurisdiction of Formation
Dril-Quip, Inc. | Delaware
Dril-Quip Holdings Pty. Ltd | Australia
Dril-Quip do Brasil Ltda. | Brazil
Great North Wellhead ULC | Alberta
Redco Equipment Sales ULC | Alberta
Dril-Quip Oilfield Services (Tianjin) Co., Ltd. | China
Dril-Quip AP Holdings LLC | Delaware
Dril-Quip Foreign Interests LLC | Delaware
Dril-Quip Holdings LLC | Delaware
Dril-Quip International LLC | Delaware
Dril-Quip Investments LLC | Delaware
Dril-Quip Venezuela LLC | Delaware
TIW International LLC | Delaware
TIWEC, S.A. | Ecuador
Dril-Quip Egypt for Management Services | Egypt
Dril-Quip Egypt for Petroleum Services S.A.E. | Egypt
Dril-Quip Asia Pac LP | England
Dril-Quip (Ghana) Ltd. | Ghana
Dril-Quip Cross Ghana Limited | Ghana
PT. DQ Oilfield Services Indonesia | Indonesia
Dril-Quip Cote d'Ivoire SARL | Ivory Coast
Dril-Quip TIW Mexico S. de R.L. de C.V | Mexico
Dril-Quip B.V. | Netherlands
Dril-Quip (Nigeria) Ltd | Nigeria
Dril-Quip Qatar LLC | Qatar
Dril-Quip TIW Saudi Arabia LLC | Saudi Arabia
Dril-Quip (Europe) Limited | Scotland
Dril-Quip UK Canada Holdco Ltd. | Scotland
Dril-Quip UK Holdco Ltd. | Scotland
Dril-Quip Asia Pacific Pte Ltd | Singapore
TIW Corporation | Texas
Honing Inc. | Texas
TIW Hunshare, LLC | Texas
The Technologies Alliance, Inc. | Texas
Dril-Quip Venezuela S.C.A. | Venezuela