| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| Schlumberger Ltd | Public | Parent | United States of America | 111,000 | 33,135 | |
| Schlumberger Middle East SA | Private | Subsidiary (of Schlumberger Ltd ) | United Arab Emirates | XYZ | XYZ | |
| Schlumberger Wein- und Sektkellerei GmbH | Private | Subsidiary (of Schlumberger Aktiengesellschaft ) | Austria | XYZ | XYZ | |
| Services Techniques Schlumberger SA | Private | Subsidiary (of Schlumberger Ltd ) | France | XYZ | XYZ | |
| Galfar Engineering & Contracting | Public | Parent | Oman | 27,000 | 651 | |
| Schlumberger Oilfield Equipment Shanghai Co Ltd | Private | Independent | China | XYZ | XYZ | |
| Well Services of Iran | Private | Independent | Iran | XYZ | XYZ | |
| Schlumberger BV | Private | Subsidiary (of Schlumberger Ltd ) | Netherlands | XYZ | XYZ | |
| Schlumberger SA | Private | Subsidiary (of Schlumberger Ltd ) | France | XYZ | XYZ | |
| Schlumberger New Energy | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| Schlumberger International Inc | Private | Independent | United States of America | XYZ | XYZ | |
| Schlumberger Norge AS | Private | Subsidiary (of Schlumberger Ltd ) | Norway | XYZ | XYZ | |
| Schlumberger Technology Corp | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| Schlumberger Venezuela SA | Private | Subsidiary (of Schlumberger Ltd ) | Venezuela | XYZ | XYZ | |
| Schlumberger Gabon SA | Private | Subsidiary (of Schlumberger Ltd ) | Gabon | XYZ | XYZ | |
| Schlumberger Business Consulting | Private | Subsidiary (of Accenture Plc ) | United States of America | XYZ | XYZ | |
| Schlumberger Technology Investments | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| Schlumberger Information Solutions Inc | Private | Independent | United States of America | XYZ | XYZ | |
| Schlumberger Holdings II Ltd | Private | Subsidiary (of Schlumberger Ltd ) | United Kingdom | XYZ | XYZ | |
| Schlumberger Australia Pty Ltd | Private | Subsidiary (of Schlumberger Ltd ) | Australia | XYZ | XYZ | |
| Schlumberger-Primat Family Office | Private | Independent | France | XYZ | XYZ | |
| Schlumberger Limited - Rig Management Group | Private | Parent | United States of America | XYZ | XYZ | |
| Schlumberger Silk Route Services Ltd | Private | Subsidiary (of Sound Energy Plc ) | United Kingdom | XYZ | XYZ | |
| Schlumberger Vertriebsgesellschaft mbH & CO KG | Private | Independent | Germany | XYZ | XYZ | |
| Schlumberger Wta (Malaysia) Sdn Bhd | Private | Subsidiary (of Schlumberger Ltd ) | Malaysia | XYZ | XYZ | |
| Optimal Pressure Drilling Services Inc | Private | Subsidiary (of Schlumberger Ltd ) | Canada | XYZ | XYZ | |
| IndigoPool, Inc. | Private | Independent | United States of America | XYZ | XYZ | |
| Eastern Echo Holding Plc | Private | Independent | Cyprus | XYZ | XYZ | |
| Leto(France) | Private | Independent | France | XYZ | XYZ | |
| South Bay Resources LLC | Private | Parent | United States of America | XYZ | XYZ | |
| Antioch Energy LLC | Private | Independent | United States of America | XYZ | XYZ | |
| GeothermEx Inc | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| Nicholas Hare Architects LLP | Private | Independent | United Kingdom | XYZ | XYZ | |
| Maritime Products & Services Pty Ltd (MPS) | Private | Independent | Australia | XYZ | XYZ | |
| Desco International | Private | Independent | United Arab Emirates | XYZ | XYZ | |
| T&T Engineering services Inc | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| M-I Swaco | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| Finavera Gas Ltd | Private | Independent | Ireland | XYZ | XYZ | |
| CIRCOR Aerospace Chemille | Private | Independent | France | XYZ | XYZ | |
| OneSubsea LLC | Private | Subsidiary (of Schlumberger Ltd ) | United States of America | XYZ | XYZ | |
| S2V Consulting Pty Ltd | Private | Subsidiary (of John Wood Group Plc ) | Australia | XYZ | XYZ |
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