Exhibit 21.1
NOBLE CORPORATION SUBSIDIARIES (as of December 31, 2009)
| SUBSIDIARY NAME | INCORPORATED OR ORGANIZED IN: | |
| Noble Services (Switzerland) LLC (1) | Switzerland | |
| Noble Corporation (Cayman) (1) | Cayman Islands | |
| Noble Financing Services Limited (1) | Cayman Islands | |
| Noble Aviation LLC (2) | Switzerland | |
| Noble NDC Holding (Cyprus) Limited (3) | Cyprus | |
| Noble Holding International (Luxembourg NHIL) S.à r.l (3) | Luxembourg | |
| Noble Holding International (Luxembourg) S.à r.l (3) | Luxembourg | |
| Noble Drilling (Luxembourg) S.à r.l (4) | Luxembourg | |
| Noble Holding SCS (5) | Luxembourg | |
| Noble Drilling (Cyprus) Limited (6) | Cyprus | |
| Noble Downhole Technology Ltd. (6) | Cayman Islands | |
| Noble Holding (U.S.) Corporation (7) | Delaware | |
| Noble Drilling Holding GmbH (8) | Switzerland | |
| Noble Holding International LLC (9) | Delaware | |
| Noble Holding International SCA (10) | Luxembourg | |
| Noble Drilling (Deutschland) GmbH (11) | Germany | |
| Noble Technology (Canada) Ltd. (11) | Alberta, Canada | |
| Noble Engineering & Development de Venezuela C.A. (11) | Venezuela | |
| Maurer Technology Incorporated (12) | Delaware | |
| Noble Drilling Corporation (12) | Delaware | |
| Noble Brasil Investimentos E Participacoes Ltda. (13) | Brazil | |
| WELLDONE Engineering GmbH (14) | Germany | |
| Triton Engineering Services Company (15) | Delaware | |
| Noble Drilling International Inc. (15) | Delaware | |
| Noble Drilling Services Inc. (15) | Delaware | |
| Noble Drilling (U.S.) LLC (15) | Delaware | |
| Noble Drilling Services 2 LLC (15) | Delaware | |
| Noble Drilling Services 3 LLC (15) | Delaware | |
| Noble Holding International Limited (16) | Cayman Islands | |
| Triton International, Inc. (17) | Delaware | |
| Triton Engineering Services Company, S.A. (17) | Venezuela | |
| Noble Drilling (Canada) Ltd. (18) | Alberta, Canada | |
| Noble Drilling International (Cayman) Ltd. (19) | Cayman Islands | |
| Noble John Sandifer LLC (20) | Delaware | |
| Noble Drilling Exploration Company (20) | Delaware | |
| Noble (Gulf of Mexico) Inc. (20) | Delaware | |
| Noble Drilling (Jim Thompson) LLC (20) | Delaware | |
| Noble Johnnie Hoffman LLC (20) | Delaware | |
| Noble Drilling Americas LLC (21) | Delaware | |
| Noble Drilling Holding LLC (21) | Delaware | |
| Noble International Services LLC (21) | Delaware | |
| Noble North Africa Limited (21) | Cayman Islands | |
| Noble Drilling Services 6 LLC (21) | Delaware | |
| Triton International de Mexico S.A. de C.V. (22) | Mexico | |
| Bawden Drilling Inc. (23) | Delaware | |
| Bawden Drilling International Ltd. (23) | Bermuda | |
| Noble International Limited (24) | Cayman Islands | |
| International Directional Services Ltd. (24) | Bermuda | |
| Noble Enterprises Limited (24) | Cayman Islands | |
| Noble Mexico Services Limited (24) | Cayman Islands | |
| Noble-Neddrill International Limited (24) | Cayman Islands | |
| Noble Asset Company Limited (24) | Cayman Islands | |
| Noble Asset (U.K.) Limited (24) | Cayman Islands | |
| Noble Drilling (Nigeria) Ltd. (24) | Nigeria | |
| Noble Drilling (Paul Wolff) Ltd. (24) | Cayman Islands | |
| Noble do Brasil Ltda. (25) | Brazil | |
| Noble Mexico Limited (24) | Cayman Islands | |
| Noble International Finance Company (24) | Cayman Islands | |
| Noble Drilling (TVL) Ltd. (24) | Cayman Islands | |
| Noble Drilling (Carmen) Limited (24) | Cayman Islands | |
| Noble Gene Rosser Limited (24) | Cayman Islands |
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| SUBSIDIARY NAME | INCORPORATED OR ORGANIZED IN: | |
| Noble Campeche Limited (24) | Cayman Islands | |
| Noble Offshore Mexico Limited (24) | Cayman Islands | |
| Noble Offshore Contracting Limited (24) | Cayman Islands | |
| Noble Dave Beard Limited (24) | Cayman Islands | |
| Sedco Dubai LLC (26) | Dubai, UAE | |
| Noble (Middle East) Limited (24) | Cayman Islands | |
| Noble Drilling Holdings (Cyprus) Limited (24) | Cyprus | |
| Noble Earl Frederickson LLC (27) | Delaware | |
| Noble Bill Jennings LLC (27) | Delaware | |
| Noble Leonard Jones LLC (27) | Delaware | |
| Noble Asset Mexico LLC (27) | Delaware | |
| Noble Drilling Services 7 LLC (27) | Delaware | |
| Noble Drilling Leasing S.à r.l (27) | Luxembourg | |
| Resolute Insurance Group Ltd. (28) | Bermuda | |
| Noble Drilling Arabia Limited (29) | Saudi Arabia | |
| Noble Drilling de Venezuela C.A. (30) | Venezuela | |
| Noble Offshore de Venezuela C.A. (30) | Venezuela | |
| Noble Drilling International Services Pte. Ltd. (31) | Singapore | |
| Noble Drilling (Malaysia) Sdn. Bhd. (31) | Malaysia | |
| Noble Drilling International Ltd. (31) | Bermuda | |
| TSIA International (Antilles) N.V. (32) | The Netherland Antilles | |
| Arktik Drilling Limited, Inc. (33) | Bahamas | |
| Noble Rochford Drilling (North Sea) Ltd. (32) | Cayman Islands | |
| Noble Drilling Asset (M.E.) Ltd. (32) | Cayman Islands | |
| Noble Management Services S. de R.L. de C.V. (34) | Mexico | |
| Noble Drilling (N.S.) Limited (35) | Scotland | |
| Noble Drilling (Denmark) ApS (35) | Denmark | |
| Noble Contracting GmbH (35) | Switzerland | |
| Noble Holding Europe S.à r.l (35) | Luxembourg | |
| Noble Leasing (Switzerland) GmbH (35) | Switzerland | |
| Noble Leasing II (Switzerland) GmbH (35) | Switzerland | |
| Noble Carl Norberg S.à r.l (36) | Luxembourg | |
| Noble Operating (M.E.) Ltd. (37) | Cayman Islands | |
| Noble Drilling (Land Support) Limited (38) | Scotland | |
| Noble Drilling (Nederland) B.V. (39) | The Netherlands | |
| Noble Drilling Norway AS (40) | Norway | |
| Noble Leasing III (Switzerland) GmbH (41) | Switzerland |
| 1 | 100% owned by Noble Corporation | |
| 2 | 100% owned by Noble Services (Switzerland) LLC | |
| 3 | 100% owned by Noble Corporation (Cayman) | |
| 4 | 100% owned by Noble NDC Holding (Cyprus) Limited | |
| 5 | Partnerhsip owned equally by Noble Holding International (Luxembourg NHIL) S.à r.l, Noble Holding International (Luxembourg) S.à r.l and Noble Drilling Corporation | |
| 6 | 100% owned by Noble Holding International (Luxembourg) S.à r.l | |
| 7 | 42.44% owned by Noble Drilling (Luxembourg) S.à r.l, 57.56% owned by Noble Drilling International (Cayman) Ltd. | |
| 8 | 100% owned by Noble Drilling (Luxembourg) S.à r.l | |
| 9 | 100% owned by Noble Holding SCS | |
| 10 | 99.9% owned by Noble Holding SCS, 0.1% owned by Noble Holding International LLC | |
| 11 | 100% owned by Noble Downhole Technology Ltd. | |
| 12 | 100% owned by Noble Holding (U.S.) Corporation | |
| 13 | 99% owned by Noble Drilling Holding GmbH, 1% owned by Noble Drilling Holding LLC | |
| 14 | 100% owned by Noble Drilling (Deutschland) GmbH | |
| 15 | 100% owned by Noble Drilling Corporation | |
| 16 | 100% owned by Noble Holding International SCA | |
| 17 | 100% owned by Triton Engineering Services Company | |
| 18 | 100% owned by Noble Drilling International Inc. | |
| 19 | 95% owned by Noble Drilling International Inc., 5% owned by Noble Drilling (U.S.) LLC | |
| 20 | 100% owned by Noble Drilling (U.S.) LLC | |
| 21 | 100% owned by Noble Holding International Limited | |
| 22 | 100% owned by Triton International, Inc. |
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| 23 | 100% owned by Noble Drilling (Canada) Ltd. | |
| 24 | 99.5% owned by Noble Drilling Holding LLC, 0.5% owned by Noble Operating (M.E.) Ltd. | |
| 25 | 99% owned by Noble Drilling Holding LLC, 1% owned by Noble Asset Company Limited | |
| 26 | Joint venture (owned 49% by Noble Drilling Holding LLC) | |
| 27 | 100% owned by Noble Drilling Services 6 LLC | |
| 28 | 100% owned by Bawden Drilling International Ltd. | |
| 29 | 50% owned by Noble International Limited | |
| 30 | 100% owned by Noble International Limited | |
| 31 | 100% owned by Noble Enterprises Limited (70% in the case of Noble Drilling (Malaysia) Sdn. Bhd.) | |
| 32 | 100% owned by Noble Asset Company Limited | |
| 33 | Joint venture (owned 82% by Noble Asset Company Limited) | |
| 34 | 99% owned by Noble Offshore Contracting Limited, 1% owned by Noble Drilling (Carmen) Limited | |
| 35 | 100% owned by Noble Drilling Holdings (Cyprus) Limited | |
| 36 | 100% owned by Noble Drilling Leasing S.à r.l | |
| 37 | 100% owned by Noble Drilling Asset (M.E.) Ltd. | |
| 38 | 100% owned by Noble Drilling (N.S.) Limited | |
| 39 | 100% owned by Noble Drilling (Denmark) ApS | |
| 40 | 100% owned by Noble Holding Europe S.à r.l | |
| 41 | 99% owned by Noble Carl Norberg S.à r.l, 1% owed by Noble Leasing II (Switzerland) GmbH |
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