| | | | | |
| Subsidiary | Jurisdiction |
| Acklands - Grainger Inc. | Canada |
| Apex Industrial Limited | Scotland |
| Bogle and Timms Limited | England & Wales |
| C.J. Bent & Son Limited | England & Wales |
| Cromwell Czech Republic s.r.o. | Czech Republic |
| Cromwell Group (Holdings) Limited | England & Wales |
| Cromwell Group (International) Limited | England & Wales |
| Cromwell Industrial Supplies Private Limited | India |
| Cromwell Logistics Limited | England & Wales |
| Cromwell SAS | France |
| Cromwell sp. z.o.o. | Poland |
| Cromwell Tools (Thailand) Co. Ltd. | Thailand |
| Cromwell Tools Limited | England & Wales |
| Cromwell Tools Sdn. Bhd. | Malaysia |
| Dayton Electric Manufacturing Co. | Illinois |
| E & R Industrial Sales, Inc. | Michigan |
| E&R Tooling and Solutions de Mexico, S. de R.L. de C.V. | Mexico |
| East Midlands Property Developments Limited | England & Wales |
| Gamut Supply LLC | Delaware |
| GHC Specialty Brands, LLC | Wisconsin |
| GMMI LLC | Delaware |
| Grainger Brasil Comércio e Distribuição Ltda. | Brazil |
| Grainger Brasil Participações Ltda. | Brazil |
| Grainger Canada Holdings ULC | Alberta |
| Grainger Caribe, Inc. | Illinois |
| Grainger Colombia Holding Company, LLC | Delaware |
| Grainger Dominicana SRL | Dominican Republic |
| Grainger Global Holdings, Inc. | Delaware |
| Grainger Global Online Business Ltd | England and Wales |
| Grainger Global Trading (Shanghai) Company Limited | People's Republic of China |
| Grainger Guam L.L.C. | Guam |
| Grainger Industrial Supply India Private Limited | India |
| Grainger International Holdings B.V. | Netherlands |
| Grainger International, Inc. | Illinois |
| Grainger Management LLC | Illinois |
| Grainger Mexico LLC | Delaware |
| Grainger Panama Services S. de R.L. | Panama |
| Grainger Procurement Company LLC | Illinois |
| Grainger Registry Services, LLC | Delaware |
| Grainger Service Holding Company, Inc. | Delaware |
| Grainger Services International Inc. | Illinois |