Exhibit 21.1
Exterran Corporation and Subsidiaries
Company Listing as of December 31, 2016
| Company | Ownership | Incorporation | ||
| Belleli Energy F.Z.E. | Wholly owned | UAE Sharjah | ||
| EES Finance Corp. | Wholly owned | Delaware | ||
| EESLP LP LLC | Wholly owned | Delaware | ||
| Enterra B.V. | Wholly owned | Netherlands | ||
| Enterra Compression Investment LLC | Wholly owned | Delaware | ||
| Enterra Global Holdings LLC | Wholly owned | Delaware | ||
| Excel Energy Services Limited | Wholly owned | Nigeria | ||
| EXH Cayman Ltd. | Wholly owned | Cayman Islands | ||
| Exterran (Beijing) Energy Equipment Company Ltd. | Wholly owned | China | ||
| Exterran (Colombia) Ltd. | Wholly owned | Colombia | ||
| Exterran (Singapore) Pte. Ltd. | Wholly owned | Singapore | ||
| Exterran (Thailand) Ltd. | Wholly owned | Thailand | ||
| Exterran Argentina S.r.l. | Wholly owned | Argentina | ||
| Exterran Bahrain S.P.C. | Wholly owned | Bahrain | ||
| Exterran Bolivia S.r.l. | Wholly owned | Bolivia | ||
| Exterran Cayman GP Holdings LLC | Wholly owned | Delaware | ||
| Exterran Cayman, L.P. | Wholly owned | Cayman Islands | ||
| Exterran Colombia Leasing LLC | Wholly owned | Delaware | ||
| Exterran Corporation | Parent | Delaware | ||
| Exterran Eastern Hemisphere F.Z.E. | Wholly owned | UAE Dubai | ||
| Exterran Eastern Hemisphere Holdings LLC | Wholly owned | Delaware | ||
| Exterran Egypt LLC | Wholly owned | Egypt | ||
| Exterran Egypt Oil & Gas Services LLC | Wholly owned | Egypt | ||
| Exterran Energy de Mexico, S. de R.L. de C.V. | Wholly owned | Mexico | ||
| Exterran Energy Middle-East LLC | Wholly owned | Oman | ||
| Exterran Energy Solutions Compania Limitada | Wholly owned | Chile | ||
| Exterran Energy Solutions India Private Limited | Wholly owned | India | ||
| Exterran Energy Solutions, L.P. | Wholly owned | Delaware | ||
| Exterran General Holdings LLC | Wholly owned | Delaware | ||
| Exterran Gulf FZE | Wholly owned | UAE Sharjah | ||
| Exterran Holding Company NL B.V. | Wholly owned | Netherlands | ||
| Exterran International Holdings C.V. | Wholly owned | Netherlands | ||
| Exterran International Holdings GP LLC | Wholly owned | Delaware | ||
| Exterran International Holdings LLC | Wholly owned | Delaware | ||
| Exterran International SA | Wholly owned | Switzerland | ||
| Exterran Italy Holdings B.V. | Wholly owned | Netherlands | ||
| Exterran Italy S.r.l. | Wholly owned | Italy | ||
| Exterran Kazakhstan LLP | Wholly owned | Kazakhstan | ||
| Exterran Middle East LLC | 70% owned | Oman | ||
| Exterran Nigeria Limited | Wholly owned | Nigeria | ||
| Exterran Offshore Pte. Ltd. | Wholly owned | Singapore | ||
| Exterran Oman Holdings LLC | Wholly owned | Delaware | ||
| Exterran Pakistan (Private) Limited | Wholly owned | Pakistan | ||
| Exterran Peru S.R.L. | Wholly owned | Peru | ||
| Exterran Services (UK) Ltd. | Wholly owned | United Kingdom | ||
| Exterran Services B.V. | Wholly owned | Netherlands | ||
| Exterran Servicos de Oleo e Gas Ltda. | Wholly owned | Brazil | ||
| Exterran Trinidad LLC | Wholly owned | Delaware | ||
| Exterran Venezuela, S.R.L. | Wholly owned | Venezuela | ||
| Exterran Water Solutions ULC | Wholly owned | Alberta, Canada | ||
| ExterranEnergy Solutions Ecuador Cia. Ltda. | Wholly owned | Ecuador | ||
| Gas Conditioning of Mexico, S. de R.L. de C.V. | Wholly owned | Mexico | ||
| H.C.C. Compressor de Venezuela, C.A. | Wholly owned | Venezuela | ||
| Hanover Asia LLC | Wholly owned | Delaware | ||
| Hanover Cayman Limited | Wholly owned | Cayman Islands | ||
| LLC Exterran Vostok | Wholly owned | Russia | ||
| Production Operators Cayman Inc. | Wholly owned | Cayman Islands | ||
| PT. Exterran Indonesia | Wholly owned | Indonesia | ||
| Quimex Sarl | Wholly owned | Switzerland | ||
| Quimex Tunisia Sarl | Wholly owned | Tunisia | ||
| UCI GP LLC | Wholly owned | Delaware | ||
| UCO Compression Holding, L.L.C. | Wholly owned | Delaware | ||
| Universal Compression International Holdings, S.L.U. | Wholly owned | Spain | ||
| Universal Compression International Ltd. | Wholly owned | Cayman Islands | ||
| Universal Compression International, L.P. | Wholly owned | Delaware | ||
| Universal Compression of Colombia Ltd. | Wholly owned | Cayman Islands | ||
| Universal Compression Services, LLC | Wholly owned | Delaware | ||
| Uniwhale Ltd. | 75% owned | Cayman Islands | ||