Exhibit 21.1
Subsidiaries of the Registrant
| Subsidiary | Jurisdiction of Incorporation / Formation | Ownership Interest |
| Energy Publishing Pty Limited | Australia | 100% |
| IHS Australia Pty. Ltd. | Australia | 100% |
| IHS Markit Group (Australia) Pty Ltd | Australia | 100% |
| R.L. Polk Australia Pty Ltd | Australia | 100% |
| IHS EMEA Holding SRL | Barbados | 100% |
| IHS Markit Global SRL | Barbados | 100% |
| Limited liability company “IHS Global” | Belarus | 100% |
| CoreOne Technologies (Belgium) BVBA | Belgium | 100% |
| IHS Markit Ltd. | Bermuda | 100% |
| IHS Informcoese e Insight Ltda. | Brazil | 100% |
| CoreOne Technologies DeltaOne Solutions Inc. | California | 100% |
| CarProof Corporation | Canada | 100% |
| IHS Markit Canada Limited | Canada | 100% |
| Beijing Polk-Catarc Vehicle Information Consulting Company Limited | China | 75% |
| CMAI Shanghai Ltd. | China | 100% |
| CSM Worldwide (Shanghai) Co. Ltd. | China | 100% |
| Global Insight (Beijing) Ltd. | China | 100% |
| IHS (Beijing) Trading Company Ltd | China | 100% |
| IHS (Shenzhen) Company Limited | China | 100% |
| IHS Markit Group Limited (WFOE) | China | 100% |
| iSuppli Asia Shanghai Limited | China | 100% |
| PFC Energy Beijing Ltd | China | 100% |
| IHS Global Colombia S.A.S. | Colombia | 100% |
| IHS Herold Inc. | Connecticut | 100% |
| AMM Holding Corporation | Delaware | 78% |
| automotiveMastermind Inc. | Delaware | 100% |
| BBHCP CTI Holdco LLC | Delaware | 100% |
| Compliance Technologies International LLC | Delaware | 100% |
| CoreOne Technologies Holdings LLC | Delaware | 100% |
| CoreOne Technologies LLC | Delaware | 100% |
| Correctnet LLC | Delaware | 100% |
| DisplaySearch LLC | Delaware | 100% |
| IHS Global Holding LLC | Delaware | 100% |
| IHS Global Inc. | Delaware | 100% |
| IHS Global Investments LLC | Delaware | 100% |
| IHS Holding Inc. | Delaware | 100% |
| IHS Inc. | Delaware | 100% |
| IHS Markit Global LLC | Delaware | 100% |
| IHS Markit KY3P LLC | Delaware | 85% |
| JOC Group Inc. | Delaware | 100% |
| Markit CTI Holdings LLC | Delaware | 100% |
| Markit North America Inc. | Delaware | 100% |
| Markit On Demand Inc. | Delaware | 100% |
| Markit Securities Finance Analytics Inc. | Delaware | 100% |
| MarkitOne Holdings LLC | Delaware | 100% |
| MarkitSERV LLC | Delaware | 100% |
| Premier Data Services Incorporated | Delaware | 100% |
| R.L. Polk & Co | Delaware | 100% |
| RL 2015 LLC | Delaware | 100% |
| IHS Global ApS | Denmark | 100% |
| IHS Global SAS | France | 100% |
| Carfax Europe GmbH | Germany | 97% |
| IHS Global GmbH | Germany | 100% |
| CoreOne Technologies Hong Kong Limited | Hong Kong | 100% |
| Global Insight (Hong Kong) Ltd. | Hong Kong | 100% |
| IHS Hong Kong Limited | Hong Kong | 100% |
| IHS Markit Group (Hong Kong) Limited | Hong Kong | 100% |
| iSuppli Asia Limited | Hong Kong | 100% |
| CoreOne Technologies India Pvt Ltd | India | 100% |
| IHS Global Private Ltd. | India | 100% |
| Information Mosaic S/W Pvt Ltd | India | 100% |
| Markit India Services Private Limited | India | 100% |
| IHS Markit Indonesia PT | Indonesia | 100% |
| IHS Finance ULC | Ireland | 100% |
| Information Mosaic Limited | Ireland | 100% |
| Markit Operations Designated Activity ULC | Ireland | 100% |
| IHS Global S.R.L. | Italy | 100% |
| IHS Global KK | Japan | 100% |
| IHS Markit Group (Japan) KK | Japan | 100% |
| IHS Markit Kazakhstan LLP | Kazakhstan | 100% |
| CSM Worldwide Korea Yuhan Hoesa | Korea | 100% |
| IHS Markit Korea Ltd | Korea | 100% |
| IHS Global Luxembourg S.à r.l. | Luxembourg | 100% |
| IHS Global (Malaysia) Sdn. Bhd. | Malaysia | 100% |
| IHS Markit (Malaysia) Sdn. Bhd. | Malaysia | 100% |
| Information Handling Services (Malaysia) Sdn. Bhd. | Malaysia | 95% |
| Information Mosaic Asia Sdn Bhd Ltd | Malaysia | 100% |
| Axxis Software, LLC | Maryland | 100% |
| Oil Price Information Service, LLC | Maryland | 100% |
| PointLogic Energy LLC | Maryland | 100% |
| Information Handling Services Mexico, SA de CV | Mexico | 100% |
| CSM Asia Corporation | Michigan | 100% |
| Polk Carfax Inc. | Michigan | 100% |
| Macroeconomic Advisors LLC | Missouri | 100% |
| Macroeconomic Consultants Inc. | Missouri | 100% |
| Carfax Nederlands B.V. | Netherlands | 100% |
| IHS Global B.V. | Netherlands | 100% |
| Markit N.V. | Netherlands | 100% |
| The Transaction Auditing Group Inc. | Nevada | 100% |
| IHS Global AS | Norway | 100% |
| IHS Global Inc. LLC | Oman | 100% |
| Carfax, Inc. | Pennsylvania | 100% |
| IHS Global Sp Z.o.o. | Poland | 100% |
| IHS Global Limited LLC | Qatar | 100% |
| OPIVNAVX Content Factory SRL | Romania | 100% |
| Chemical Market Associates PTE. Ltd. | Singapore | 100% |
| IHS Global Pte Limited. | Singapore | 100% |
| IHS Markit Asia Pte Ltd | Singapore | 100% |
| Information Mosaic Asia Pte Ltd | Singapore | 100% |
| Option Computers Pte Ltd | Singapore | 100% |
| IHS Information & Insight (PTY) Ltd | South Africa | 100% |
| ThinkFolio (PTY) Ltd | South Africa | 100% |
| Carfax Historial De Vehiculos SL | Spain | 100% |
| IHS Global Information Spain SL | Spain | 100% |
| Carfax Sverige AB | Sweden | 100% |
| IHS Global AB | Sweden | 100% |
| IHS Global Capital GmbH | Switzerland | 100% |
| IHS Global Finance GmbH | Switzerland | 100% |
| IHS Global Funding GmbH | Switzerland | 100% |
| IHS Global Holding GmbH | Switzerland | 100% |
| IHS Global Investments GmbH | Switzerland | 100% |
| IHS Global SA | Switzerland | 100% |
| IHS Global Taiwan Limited | Taiwan | 100% |
| Data Logic Services Corp | Texas | 100% |
| Markit WSO Corporation | Texas | 100% |
| Purvin & Gertz LLC | Texas | 100% |
| CSM Worldwide (Thailand) Co. Ltd. | Thailand | 100% |
| IHS Global (Thailand) Ltd | Thailand | 100% |
| IHS Global FZ LLC | United Arab Emirates | 100% |
| CoreOne Technologies- DeltaOne Solutions Limited | United Kingdom | 100% |
| IHS Global Investments Limited | United Kingdom | 100% |
| IHS Global Limited | United Kingdom | 100% |
| IHS Group Holdings Limited | United Kingdom | 100% |
| IHS International Holdings Limited | United Kingdom | 100% |
| IHS Markit Benchmark Administration Limited | United Kingdom | 100% |
| IHS Markit Global Capital Ltd. | United Kingdom | 100% |
| IHS Markit Global Finance Limited | United Kingdom | 100% |
| IHS Markit Global Funding Limited | United Kingdom | 100% |
| IHS Markit Global Limited | United Kingdom | 100% |
| IHS Markit Group Holdings Limited | United Kingdom | 100% |
| IHS Markit Holdings 2 Limited | United Kingdom | 100% |
| IHS Markit Holdings Limited | United Kingdom | 100% |
| IHS Markit Investments Limited | United Kingdom | 100% |
| IHS Markit KYC Services Limited | United Kingdom | 100% |
| IHS Markit Lending 1 Limited | United Kingdom | 100% |
| IHS Markit Lending 2 Limited | United Kingdom | 100% |
| Markit Economics Limited | United Kingdom | 100% |
| Markit EDM Limited | United Kingdom | 100% |
| Markit Equities Limited | United Kingdom | 100% |
| Markit Group Limited | United Kingdom | 100% |
| Markit Group UK Limited | United Kingdom | 100% |
| Markit Indices Limited | United Kingdom | 100% |
| Markit Securities Finance Analytics Limited | United Kingdom | 100% |
| Markit Valuation Services Limited | United Kingdom | 100% |
| Markit Valuations Limited | United Kingdom | 100% |
| MarkitSERV FX Limited | United Kingdom | 100% |
| MarkitSERV Holdings Limited | United Kingdom | 100% |
| MarkitSERV Limited | United Kingdom | 100% |
| Option Computers Limited | United Kingdom | 100% |
| Polk Europe Holdings Limited | United Kingdom | 100% |
| Prism Valuation Limited | United Kingdom | 100% |
| R.L. Polk UK Ltd | United Kingdom | 100% |
| RCP Trade Solutions Limited | United Kingdom | 100% |
| Rushmore Associates Limited | United Kingdom | 100% |
| ThinkFolio Ltd. | United Kingdom | 100% |
| Root Wireless, Inc. | Washington | 100% |