Exhibit 21.1
| NOBLE CORPORATION PLC SUBSIDIARIES (as of December 31, 2016) | |||
| Name | Country of incorporation | ||
| Noble Corporation Holdings Limited | Cayman Islands | * | |
| Noble Financing Services Limited | Cayman Islands | * | |
| Noble (Servco) UK Limited | United Kingdom | * | |
| Noble Corporation | Cayman Islands | ||
| Noble Aviation GmbH | Switzerland | ||
| Noble Services (Switzerland) GmbH | Switzerland | ||
| Noble NDC Holding (Cyprus) Limited | Cyprus | ||
| Noble FDR Holdings Limited | Cayman Islands | ||
| Noble Holding International (Luxembourg NHIL) S.à r.l | Luxembourg | ||
| Noble Holding International (Luxembourg) S.à r.l | Luxembourg | ||
| Noble Drilling (Luxembourg) S.à r.l | Luxembourg | ||
| Noble Drillships Holdings, Ltd. | Cayman Islands | ||
| Noble Drillships Holdings 2, Ltd. | Cayman Islands | ||
| Frontier Driller, Ltd. | Cayman Islands/Luxembourg | ||
| Frontier Drilling Cayman, Ltd. | Cayman Islands | ||
| Noble Holding S.C.S. | Luxembourg | ||
| Noble Drilling (Cyprus) Limited (pending dissolution) | Cyprus | ||
| Noble Downhole Technology Ltd. | Cayman Islands | ||
| Noble Drilling International GmbH | Switzerland | ||
| Noble Drilling Holding GmbH | Switzerland | ||
| Noble Holding UK Limited | United Kingdom | ||
| Noble Holding (U.S.) Corporation | Delaware | ||
| Noble Drillships S.à r.l | Luxembourg | ||
| Noble Drillships 2 S.à r.l | Luxembourg | ||
| Frontier Driller Kft. | Hungary | ||
| Noble Holding International S.à r.l. | Luxembourg | ||
| Noble Technology (Canada) Ltd. | Alberta, Canada | ||
| Noble Engineering & Development de Venezuela C.A. | Venezuela | ||
| Triton Engineering Services Company | Delaware | ||
| Noble Drilling (U.S.) LLC | Delaware | ||
| Noble Drilling Services 3 LLC | Delaware | ||
| Noble Drilling Services 2 LLC | Delaware | ||
| Noble Drilling Services Inc. | Delaware | ||
| Maurer Technology Incorporated | Delaware | ||
| Bully 1 (Switzerland) GmbH | Switzerland | ||
| Bully 2 (Switzerland) GmbH | Switzerland | ||
| Frontier Driller, Inc. | Delaware | ||
| Noble Drilling (Jim Thompson) LLC | Delaware | ||
| Noble Johnnie Hoffman LLC | Delaware | ||
| Noble John Sandifer LLC | Delaware | ||
| Noble Drilling Exploration Company | Delaware | ||
| Bully 1 (US) Corporation | Delaware | ||
| Bully 2 (Luxembourg) S.à r.l. | Luxembourg | ||
| Noble Drilling Holding LLC | Delaware | ||
| NOBLE CORPORATION PLC SUBSIDIARIES (as of December 31, 2016) | |||
| Noble International Services LLC | Delaware | ||
| Noble Drilling Americas LLC | Delaware | ||
| Noble North Africa Limited | Cayman Islands | ||
| Noble Drilling Services 6 LLC | Delaware | ||
| Noble Cayman Limited | Cayman Islands | ||
| Triton International, Inc. | Delaware | ||
| Triton Engineering Services Company, S.A. | Venezuela | ||
| Noble Deepwater Ltd. | Cayman Islands | ||
| Triton International de Mexico S.A. de C.V. | Mexico | ||
| Noble Deepwater (B) Sdn. Bhd. | Brunei | ||
| Noble Drilling West Africa Limited | Nigeria | ||
| Noble Drilling Offshore Limited | Cayman Islands | ||
| TSIA International (Antilles) N.V. (pending dissolution) | Curacao | ||
| Noble Drilling Singapore Pte. Ltd. | Singapore | ||
| Noble Resources Limited | Cayman Islands | ||
| Noble Services International Limited | Cayman Islands | ||
| NE Drilling Servicos do Brasil Ltda. | Brazil | ||
| NE do Brasil Participacoes E Investimentos Ltda. | Brazil | ||
| Noble Earl Frederickson LLC | Delaware | ||
| Noble Bill Jennings LLC | Delaware | ||
| Noble Asset Mexico LLC | Delaware | ||
| Noble Holding (Luxembourg) S.à r.l | Luxembourg | ||
| Noble Drilling Holdings (Cyprus) Limited | Cyprus | ||
| Noble Drilling Egypt LLC | Egypt | ||
| Noble Leasing III (Switzerland) GmbH | Switzerland | ||
| Noble Drilling (N.S.) Limited | Scotland | ||
| Noble Drilling (Nederland) II B.V. | Netherland | ||
| Noble Contracting II GmbH | Switzerland | ||
| Noble Holding Europe S.à r.l. | Luxembourg | ||
| Noble Leasing (Switzerland) GmbH | Switzerland | ||
| Noble Mexico Services Limited | Cayman Islands | ||
| Noble Mexico Limited | Cayman Islands | ||
| Noble International Finance Company | Cayman Islands | ||
| Noble Drilling (TVL) Ltd. | Cayman Islands | ||
| Noble Drilling (Carmen) Limited | Cayman Islands | ||
| Noble Gene Rosser Limited | Cayman Islands | ||
| Noble Campeche Limited | Cayman Islands | ||
| Noble Offshore Mexico Limited | Cayman Islands | ||
| Noble Offshore Contracting Limited | Cayman Islands | ||
| Noble Dave Beard Limited | Cayman Islands | ||
| Sedco Dubai LLC | Dubai, UAE | ||
| Noble Drilling (Paul Wolff) Ltd. | Cayman Islands | ||
| Noble India Limited | Cayman Islands | ||
| Noble Drilling Arabia Company Ltd. | Saudi Arabia | ||
| Noble Drilling (Land Support) Limited | Scotland | ||
| Noble Drilling (Norway) AS | Norway | ||
| Noble Drilling Offshore (Labuan) Pte Ltd. | Labuan, Malaysia | ||
| NOBLE CORPORATION PLC SUBSIDIARIES (as of December 31, 2016) | |||
| Noble Contracting Offshore Drilling (M) Sdn Bhd | Malaysia | ||
| Noble Drilling International Services Pte. Ltd. (pending dissolution) | Singapore | ||
| Noble Offshore (North Sea) Ltd. | Cayman Islands | ||
| Noble Offshore Services de Mexico, S. de R.L. de C.V. | Mexico | ||
| Noble Drilling Services (Canada) Corporation | Nova Scotia, Canada | ||
* Indicates subsidiary of Noble Corporation plc only.