S Walsh & Sons are a civil engineering company that also have a fleet of tugs and barges that operate on the Thames carrying aggregates and spoil in the support of construction projects in London.
The current fleet (as at March 2021) is shown alphabetically below and additional pictures of the vessels can be seen here.
| S Walsh & Sons tug fleet | |
| Express |  |
| SWS Endeavour (Withdrawn from fleet) |  |
| SWS Endurance |  |
| SWS Enterprise |  |
| SWS Essex |  |
| SWS Suffolk |  |
Dock, Lock and River Blog (#dlr_blog) 