Exhibit 8.1
Significant Subsidiaries of DryShips Inc.
Ship-owning Companies with Vessels in Operation | Country of Organization | |
1. | Malvina Shipping Company Limited | Malta |
2. | Samsara Shipping Company Limited | Malta |
3. | Borsari Shipping Company Limited | Malta |
4. | Fabiana Navigation Company Limited | Malta |
5. | Karmen Shipping Company Limited | Malta |
6. | Thelma Shipping Company Limited | Malta |
7. | Celine Shipping Company Limited | Malta |
8. | Tempo Marine Co. | Marshall Islands |
9. | Star Record Owning Company Limited | Marshall Islands |
10. | Argo Owning Company Limited | Marshall Islands |
11. | Rea Owning Company Limited | Marshall Islands |
12. | Dione Owning Company Limited | Marshall Islands |
13. | Phoebe Owning Company Limited | Marshall Islands |
14. | Uranus Owning Company Limited | Marshall Islands |
15. | Selene Owning Company Limited | Marshall Islands |
16. | Tethys Owning Company Limited | Marshall Islands |
17. | Ioli Owning Company Limited | Marshall Islands |
18. | Iason Owning Company Limited | Marshall Islands |
19. | Team up Owning Company Limited | Marshall Islands |
20. | Iokasti Owning Company Limited | Marshall Islands |
21. | Boone Star Owners Inc. | Marshall Islands |
22. | Norwalk Star Owners Inc. | Marshall Islands |
23. | Dalian Star Owners Inc. | Marshall Islands |
24. | Aegean Traders Inc. | Marshall Islands |
25. | Cretan Traders Inc. | Marshall Islands |
26. | Roscoe Marine Ltd. | Marshall Islands |
27. | Ialysos Owning Company Limited | Marshall Islands |
28. | Pergamos Owning Company Limited | Marshall Islands |
29. | Amathus Owning Company Limited | Marshall Islands |
30. | Olympian Zeus Owners Inc. | Marshall Islands |
31. | Olympian Apollo Owners Inc. | Marshall Islands |
32. | Olympian Hera Owners Inc. | Marshall Islands |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
33. | Olympian Poseidon Owners Inc. | Marshall Islands |
34. | Olympian Demeter Owners Inc. | Marshall Islands |
35. | Oceanenergy Owners Limited | Marshall Islands |
36. | Oceantrade Owners Limited | Marshall Islands |
37. | Oceanwave Owners Limited | Marshall Islands |
38. | Oceanrunner Owners Limited | Marshall Islands |
39. | Oceanfire Owners Inc. | Marshall Islands |
40. | Olympian Athena Owners Inc. | Marshall Islands |
41. | Olympian Dionysus Owners Inc. | Marshall Islands |
42. | Olympian Artemis Owners Inc. | Marshall Islands |
43. | Olympian Ares Owners Inc. | Marshall Islands |
44. | Olympian Aphrodite Owners Inc. | Marshall Islands |
45. | Oceanview Owners Limited | Liberia |
Ship-buying Companies of Vessels under Construction | Country of Organization | |
46. | Symi Owners Inc. | Marshall Islands |
47. | Kalymnos Owners Inc. | Marshall Islands |
48. | Echo Owning Company Limited | Marshall Islands |
49. | Caerus Owning Company Limited | Marshall Islands |
50. | Litae Owning Company Limited | Marshall Islands |
51. | Tyche Owning Company Limited | Marshall Islands |
52. | Oceansurf Owners Limited | Liberia |
53. | Oceancentury Owners Limited | Liberia |
54. | Amazon Owning Company Limited | Marshall Islands |
55. | Pacifai Owning Company Limited | Marshall Islands |
Ship-owning Companies with Vessels Lost, Sold or Canceled | Country of Organization | |
56. | Monteagle Shipping SA | Marshall Islands |
57. | IktinosOwningCompanyLimited | Marshall Islands |
58. | Kallikrates Owning Company Limited | Marshall Islands |
59. | Faedon Shareholders Limited | Marshall Islands |
60. | Lansat Shipping Company Limited | Malta |
61. | Thassos Traders Inc | Marshall Islands |
62. | Milos Traders Inc. | Marshall Islands |
63. | Sifnos Traders Inc. | Marshall Islands |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
64. | Tinos Traders Inc . | Marshall Islands |
65. | Annapolis Shipping Company . | Malta |
66. | Tolan Shipping Company Limited. | Malta |
67. | Felicia Navigation Company Limited. | Malta |
68. | Zatac Shipping Company Limited | Malta |
69. | Atlas Owning Company Limited | Marshall Islands |
70. | Maternal Owning Company Limited) | Marshall Islands |
71. | Royerton Shipping Company Limited | Malta |
72. | Lancat Shipping Company Limited | Malta |
73. | Paternal Owning Company Limited | Marshall Islands |
74. | Fago Shipping Company Limited | Malta |
75. | Hydrogen Shipping Company Limited | Malta |
76. | Madras Shipping Company Limited | Malta |
77. | Seaventure Shipping Limited | Marshall Islands |
78. | Classical Owning Company Limited | Marshall Islands |
79. | Oxygen Shipping Company Limited | Malta |
80. | Human Owning Company Limited | Marshall Islands |
81. | Helium Shipping Company Limited | Malta |
82. | Blueberry Shipping Company Limited | Malta |
83. | Platan Shipping Company Limited | Malta |
84. | Silicon Shipping Company Limited | Malta |
85. | Callicles Challenge Inc. | Marshall Islands |
86. | Antiphon Challenge Inc. | Marshall Islands |
87. | Cratylus Challenge Inc. | Marshall Islands |
88. | Protagoras Challenge Inc. | Marshall Islands |
89. | Lycophron Challenge Inc. | Marshall Islands |
90. | Thrasymachus Challenge Inc. | Marshall Islands |
91. | Hippias Challenge Inc. | Marshall Islands |
92. | Prodicus Challenge Inc. | Marshall Islands |
93. | Gorgias Challenge Inc. | Marshall Islands |
94. | Kerkyra Traders Inc. | Marshall Islands |
95. | Arleta Navigation Company Limited | Malta |
96. | Iguana Shipping Company Limited | Malta |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
97. | Lotis Traders Inc. | Marshall Islands |
98. | Mandarin Shareholdings Limited | Marshall Islands |
99. | Mensa Shareholdings Limited | Marshall Islands |
100. | Belulu Shareholders Limited | Marshall Islands |
101. | Oceanship Owners Limited | Marshall Islands |
102. | Oceanwealth Owners Limited | Marshall Islands |
103. | Oceanventure Owners Limited | Marshall Islands |
104. | Oceanresources Owners Limited | Marshall Islands |
105. | Oceanstrength Owners Limited | Marshall Islands |
106. | Oceanprime Owners Limited | Marshall Islands |
107. | Oceanclarity Owners Limited | Marshall Islands |
108. | Oceanfighter Owners Inc. | Marshall Islands |
109. | Ocean Faith Owners Inc. | Marshall Islands |
110. | Ocean Blue Spirit Owners Inc. | Marshall Islands |
111. | Kifissia Star Owners Inc. | Marshall Islands |
112. | Selma Shipping Company Limited | Malta |
113. | Farat Shipping Company Limited | Malta |
114. | Onil Shipping Company Limited | Malta |
115. | Gaia Owning Company Limited | Marshall Islands |
116. | Kronos Owning Company Limited | Marshall Islands |
117. | Trojan Maritime Co. | Marshall Islands |
118. | Orpheus Owning Company Limited | Marshall Islands |
119. | NT LLC Investors Ltd. | Marshall Islands |
120. | Ionian Traders Inc. | Marshall Islands |
121. | Oceanprime Owners Limited | Marshall Islands |
122. | Olympian Hephaestus Owners Inc. | Marshall Islands |
123. | Olympian Hermes Owners Inc. | Marshall Islands |
Subsidiaries of Ocean Rig UDW Inc. | Country of Organization | |
124. | Ocean Rig UDW Inc (formerly Primelead Shareholders Inc) | Marshall Islands |
125. | Ocean Rig AS | Norway |
126. | Ocean Rig UK Ltd | United Kingdom |
127. | Ocean Rig Ltd | United Kingdom |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
128. | Ocean Rig Ghana Ltd | Ghana |
129. | Ocean Rig Canada Inc. | Canada |
130. | Ocean Rig North Sea AS | Norway |
131. | Ocean Rig 1 Shareholders Inc. | Marshall Islands |
132. | Ocean Rig 2 Shareholders Inc. | Marshall Islands |
133. | Drill Rigs Holdings Inc. | Marshall Islands |
134. | Drillships Investment Inc. | Marshall Islands |
135. | Drillships Holdings Inc. | Marshall Islands |
136. | Kithira Shareholders Inc. | Marshall Islands |
137. | Skopelos Shareholders Inc. | Marshall Islands |
138. | Drillship Hydra Shareholders Inc. | Marshall Islands |
139. | Drillship Paros Shareholders Inc. | Marshall Islands |
140. | Ocean Rig Operations Inc. | Marshall Islands |
141. | Primelead Limited | Cyprus |
142. | Ocean Rig Black Sea Operations BV | The Netherlands |
143. | Ocean Rig Drilling Operations Cooperatief U.A | The Netherlands |
144. | Ocean Rig Black Sea Cooperatief U.A | The Netherlands |
145. | Ocean Rig Deep Water Drilling Ltd. | Nigeria |
146. | Ocean Rig Drilling Operations B.V. | Netherlands |
147. | Ocean Rig 1 Inc. | Marshall Islands |
148. | Ocean Rig 2 Inc. | Marshall Islands |
149. | Drillship Hydra Owners Inc | Marshall Islands |
150. | Drillship Paros Owners Inc. | Marshall Islands |
151. | Drillship Kithira Owners Inc. | Marshall Islands |
152. | Drillship Skopelos Owners Inc. | Marshall Islands |
153. | Algarve Finance Ltd. | Marshall Islands |
154. | Alley Finance Ltd. | Marshall Islands |
155. | Drillship Skiathos Shareholders Inc. | Marshall Islands |
156. | Drillship Skyros Shareholders Inc. | Marshall Islands |
157. | Drillship Kythnos Shareholders Inc. | Marshall Islands |
158. | Drillship Skiathos Owners Inc. | Marshall Islands |
159. | Drillship Skyros Owners Inc. | Marshall Islands |
160. | Drillship Kythnos Owners Inc. | Marshall Islands |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
161. | Ocean Rig 1 Greenland Operations Inc. | Marshall Islands |
162. | Ocean Rig Corcovado Greenland Operations Inc. | Marshall Islands |
163. | Ocean Rig Olympia Ghana Operations Limited | Ghana |
164. | Ocean Rig Poseidon Operations Inc. (formerly Tanzania Operations Inc.) | Marshall Islands |
165. | Ocean Rig Do Brasil Serviços De Petroleo Ltda. | Brazil |
166. | Ocean Rig Falkland Operations Inc. | Marshall Islands |
167. | Drill Rigs Operations Inc. | Marshall Islands |
168. | Ocean Rig Olympia Brasil Operations Cooperatief UA | The Netherlands |
169. | Ocean Rig Olympia Brasil Operations B.V. | The Netherlands |
170. | Drillships Holdings Operations Inc. | Marshall Islands |
171. | Drillships Investment Operations Inc. | Marshall Islands |
172. | Ocean Rig Rio de Janeiro Serviços de Petroleo Ltda. | Brazil |
173. | Ocean Rig Drilling Do Brasil Serviços de Petroleo Ltda. | Brazil |
174. | Ocean Rig Offshore Management Ltd. | Jersey |
175. | Ocean Rig Brasil Cooperatief UA | The Netherlands |
176. | Ocean Rig Brasil B.V. | The Netherlands |
177. | Ocean Rig Angola Operations Inc. | Marshall Islands |
178. | Ocean Rig EG Operations Inc. | Marshall Islands |
179. | Ocean Rig Norway Operations Inc. | Marshall Islands |
180. | Ocean Rig UDW LLC | Delaware |
181. | Ocean Rig Global Chartering Inc. | Marshall Islands |
182. | Ocean Rig Namibia Operations Inc. | Marshall Islands |
183. | Drillships Ocean Ventures Inc. | Marshall Islands |
184. | Drillships Ocean Ventures Operations Inc. | Marshall Islands |
185. | Ocean Rig Block 33 Brasil Cooperatief U.A. | Brazil |
186. | Ocean Rig Block 33 Brasil BV | Brazil |
187. | Ocean Rig Cuanza Operations Inc. | Marshall Islands |
188. | Olympia Rig Angola Holding, SA | Angola |
189. | Olympia Rig Angola, Limitada | Angola |
190. | Ocean Rig Liberia Operations Inc. | Marshall Islands |
191. | Ocean Rig West Africa Operations Inc. | Marshall Islands |
192. | Drillship Alonissos Owners Inc. | Marshall Islands |
193. | Drillship Alonissos Shareholders Inc. | Marshall Islands |
Ship-owning Companies with Vessels in Operation | Country of Organization | |
194. | Eastern Med Consultants Inc. | Marshall Islands |
195. | Ocean Rig Management Inc. | Marshall Islands |
196. | Ocean Rig Cunene Operations Inc. | Marshall Islands |
197. | Ocean Rig Cubango Operations Inc. | Marshall Islands |
198. | Ocean Rig Gabon Operations Inc. | Marshall Islands |
199. | Ocean Rig Ireland Operations Inc. | Marshall Islands |
Other Companies | Country of Organization | |
200. | Wealth Management Inc. | Marshall Islands |
201. | Pounta Traders Inc. | Marshall Islands |
202. | Sunlight Shipholding One Inc. | Marshall Islands |
203. | Ialysos Shareholders Limited | Marshall Islands |
204. | DryShips Partners LP | Marshall Islands |
205. | DRYS GP LLC | Marshall Islands |
206.O | OceanFreight Inc. | Marshall Islands |