**Exhibit21.1**

 
| **Subsidiaries of Registrant**               | ** ** | **Jurisdiction of Incorporation** | ** ** | **Name Under Which Subsidiary Does Business** |
|----------------------------------------------|------------|-----------------------------------|------------|-----------------------------------------------|
|                                         |       |                              |       |                                          |
| Williams Scotsman, Inc.                      |       | Maryland, USA                     |       | Williams Scotsman                             |
|                                         |       |                              |       |                                          |
| Willscot Equipment, LLC,                     |       | Delaware, USA                     |       | Willscot Equipment, LLC                       |
|                                         |       |                              |       |                                          |
| Space Master International, Inc.,            |       | Georgia, USA                      |       | Space Master International, Inc.              |
|                                         |       |                              |       |                                          |
| Evergreen Mobile Company,                    |       | Washington, USA                   |       | Evergreen Mobile Company                      |
|                                         |       |                              |       |                                          |
| Truck & Trailer Sales, Inc.,             |       | Missouri, USA                     |       | Truck & Trailer Sales, Inc.               |
|                                         |       |                              |       |                                          |
| Williams Scotsman of Canada, Inc.,           |       | Ontario, Canada                   |       | Williams Scotsman                             |
|                                         |       |                              |       |                                          |
| Williams Scotsman Mexico S. de R.L. de C.V., |       | Mexico                            |       | Williams Scotsman                             |
|                                         |       |                              |       |                                          |
| WS Servicios de Mexico, S. de R.L. de C.V.,  |       | Mexico                            |       | WS Servicios de Mexico, S. de R.L. de C.V.    |
|                                         |       |                              |       |                                          |
| Williams Scotsman Europe, S.L.               |       | Spain                             |       | Williams Scotsman Europe, S.L.                |
|                                         |       |                              |       |                                          |
| WIRON Construcciones Modulares, S.A., and    |       | Spain                             |       | WIRON Construcciones Modulares, S.A.          |
|                                         |       |                              |       |                                          |
| Williams Scotsman Hispania, S.L.             |       | Spain                             |       | Williams Scotsman Hispania, S.L.              |

 

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