EX-21.1 4 dex211.txt SUBSIDIARIES Exhibit 21.1 Schedule 9.14 Hanover Compressor Company ("HCC"), list of subsidiaries 1. Hanover Compression General Holdings, LLC, a Delaware LLC, is owned by HCC. 2. Hanover Compression Limited Holdings, LLC, a Delaware LLC, is owned by HCC. 3. Hanover Compression Limited Partnership ("HCLP"), a Delaware limited partnership, is owned 1% by Hanover Compression General Holdings, LLC and 99% by Hanover Compression Limited Holdings, LLC. 4. Hanover Compressor Capital Trust, a Delaware business trust, is owned by HCC. 5. Hanover Limited Energy Transfer, LLC, a Delaware LLC, is owned by HCLP. 6. Hanover General Energy Transfer, LLC, a Delaware LLC, is owned by HCLP. 7. Sunterra Energy Corp, an Oklahoma corporation, is owned by HCLP. 8. Kamlock Oil & Gas, Inc., a Delaware corporation, is owned by HCLP. 9. Hallmark Production Systems, Inc., a Texas corporation, is owned by HCLP. 10. Hanover Compressed Natural Gas Services, LLC, a Delaware LLC, is owned by HCLP. 11. Hanover Measurement LLC, a Delaware LLC, is owned by HCLP. 12. HCC Holdings, Inc., a Delaware corporation is owned by HCLP. 13. Compression Components Corporation, a Texas corporation, is owned by HCLP. 14. Hanover IDR, Inc., a Delaware corporation, is owned by HCLP. 15. Hanover SPE, L.L.C., a Delaware LLC is owned by HCLP. 16. Gulf Coast Dismantling, Inc., a Texas corporation, is owned by HCLP. 17. Power Machinery, Inc., a Delaware corporation, is owned by HCLP. 18. Hanover Asia, Inc., a Delaware corporation is owned by HCLP. 19. Hanover Australia LLC, a Delaware LLC, is owned by HCLP. 20. Hanover Compressor Colombia, Inc., a Delaware corporation, is owned by HCLP. 21. HC Cayman LLC, a Delaware LLC, is owned by HCLP. 22. Southwest Industries Inc., a Delaware corporation, is owned by HCLP. 23. Hanover Trinidad LLC, a Trinidad LLC, is owned by HCLP. 24. Hanover Equador LLC, a Delaware LLC, is owned by HCLP. 25. Hanover Cayman Limited, a Cayman Islands company, is owned by HCLP. 26. Energy Transfer - Hanover Ventures, LP, a Delaware limited partnership, is owned 98.5% by Hanover Limited Energy Transfer, LLC and 0.5% by Hanover General Energy Transfer, LLC. 27. Hanover Measurement Services Company LP, a Delaware limited partnership, is owned 0.001% by Hanover Measurement LLC and 52.449% by HCC Holdings, Inc. 28. Collicutt Hanover Compression Co., a Nova Scotia unlimited liability company, is owned by HCLP. 29. Hanover Maloney Inc. ("HMI"), a Alberta corporation, is owned by HCLP. 30. Wells-Hall Manufacturing Ltd., an Alberta (Canadian) corporation, is owned by HMI. 31. Maloney Industries International Ltd., an Alberta (Canadian) corporation, is owned by HMI. 32. Maloney Industries Limited, ("MIL"), a United Kingdom company, is owned by HMI. 33. Maloney Industries (UK) Ltd., a United Kingdom corporation, is owned by MIL. 34. Tubefabs Ltd., a United Kingdom corporation, is owned by MIL. 35. Burnett & Lewis Ltd., a United Kingdom corporation, is owned by MIL. 36. Maloney Industries (France) S.A., a French corporation, is owned by MIL. 37. HCLP owns 24.1% of Collicutt Hanover Services Ltd 38. Hanover Compressor Mexico SRL, a Mexican limited liability company ("Hanover Mexico"), is owned 99.99% by HCLP. Hanover Cayman owns the remaining 0.01% of said membership interests. Inactive. 39. Hanover Compressor Sucursal Mexico, a Mexican branch of HCLP. 40. Production Operators Cayman Inc. ("POI Cayman"), a Cayman Islands corporation, is owned by HCLP. 41. POI Operating Company s. de R.L., a Mexico LLC, is owned 99% by POI Cayman and 1% by HCLP. 42. POI Mexico Service Company S. de R.L., a Mexico LLC, is owned 99% by POI Cayman Inc. and 1% by HCLP. 1 43. EI Venezuela Development Ltd., a Cayman Islands Company, is owned by Hanover Cayman Limited. 44. Hanover/Enron Venezuela, Ltd., (a Venezuelan branch of a Cayman Islands company), is owned 60% by Hanover Cayman Limited and 40% by EI Venezuela Development Ltd. 45. H.C.C Compressor de Venezuela, C.A., a Venezuelan corporation ("HCC Venezuela") and a wholly owned subsidiary of HCLP. 46. Proyecto Gas Natural PGN, C.A., ("PGN") a Venezuelan corporation and a wholly owned subsidiary of HCC Venezuela. 47. Servi Compressores, C.A., a Venezuelan corporation, is owned 50% by PGN. 48. Production Operators Venezuela C.A., A Venezuelan corporation, is owned by HCLP. 49. Hanover/Cosacol Consortium, a Colombian consortium, is owned by HCLP. 50. Hanover Compressor Colombia Ltd., a Colombian limitada, is owned 51% by HCLP. 51. Contract Compression International Argentina, S.A. ("CCIA"), an Argentinean corporation, is owned 99.99% by HCLP and 0.01% by Hanover IDR. 52. DR Argentina SA, an Argentine corporation, is owned 99.99% by HCLP and HMLP owns the remaining 0.01%. 53. Servicios TIPSA, S.A., an Argentine corporation, is owned 99% by HCLP and 1% by Hanover IDR. 54. Production Operators Argentina S.A, an Argentine corporation, is owned by HCLP. 55. Simco Consortium, a Venezuelan investment, is owned 35.5% by Production Operators Cayman. 56. Equipo de Servicios Petroleros Limitada, is owned 16% by POI Cayman. 57. Hanover Compressor Peru, SAC, a Peru corporation, is owned 99% by Hanover Cayman and 1% by HCLP. 58. Wilpro Energy Services (PIGAP II) Limited, a Cayman Islands company, is owned 30% by Hanover Cayman. 59. Harwat International Finance, N.V., a Curacao LLC, is owned 35.5% by Hanover Cayman. 60. Hanover Compressor Holding Company NL B.V., ("Hanover Holding"), a Dutch company, is owned by HCLP. 61. Hanover Compressor Company Bolivia, Ltd., a Bolivian company, is owned 99.99% by Hanover Cayman and 0.01% by Hanover Holding. 62. Hanover Compressor do Brazil Ltda., a Brazil limitada, is owned 99.99% by Hanover Cayman and 0.01% by Hanover Holding. 63. WilPro Energy Services Limited (Guara), a Cayman Islands LLC, is owned by POI Cayman. 64. WilPro Energy Services (El Furrial) Limited, a Cayman Islands corporation, is owned 33.33% by POI Cayman. 65. DR Compression Services SARL, a Swiss corporation, is owned 97% by HCLP. 66. DR Compression Services BV, a Dutch company, is owned by DR Compression Services SARL. 67. Hanover Trade Corp., a West Indies (Barbados) corporation, is owned by HCLP. 68. Aurora Barbados, SRL, a West Indies (Barbados) corporation, is owned by HCLP. 69. Bellili Energy SPE, is owned 20% by Hanover Holding. 70. PT Hanover Indonesia, an Indonesian company, is owned 90% by Hanover Asia and 10% by Hanover Equador. 71. Hanover Malaysia SDN BHD, a Malaysia company, is owned 60% by Hanover Asia. 2