EX-21.1 4 ois20211231_ex211.htm EX-21.1
EXHIBIT 21.1
OIL STATES INTERNATIONAL, INC.
SUBSIDIARIES

SUBSIDIARY | STATE/COUNTRY
GEODynamics, Inc. | Delaware
GEODynamics (U.K.) Limited | United Kingdom
Oil States Energy Services (Canada) Inc. | Alberta, Canada
Oil States Energy Services Holding, Inc. | Delaware
Oil States Energy Services L.L.C. | Delaware
OIS Cyprus Limited | Cyprus
Oil States Industries, Inc. | Delaware
Oil States Industries (Asia) Pte Ltd. | Singapore
Oil States Industries do Brasil - Instalacoes Maritimas Ltda | Brazil
Oil States Industries 1 B.V. | Netherlands
Oil States Industries Netherlands, C.V. | Netherlands
Oil States Industries (India) Private Limited | India
Oil States Industries Singapore Holdco B.V. | Netherlands
Oil States Industries US, Inc. | Delaware
Oil States Industries (UK) Limited | United Kingdom
Oil States Management Inc. | Delaware
Oil States Industries (Thailand) Ltd. | Thailand
Oil States Skagit SMATCO L.L.C. | Delaware
OSES International, LLC | Delaware
Tempress Technologies, Inc. | Washington