| Name | Year Est'd | Product or Service | Sector | No. of Employees (approximate) | |
 |
Meridian Technologies Inc. | 1981 | Die Castings | Automotive | 500 |
 |
Vari-Form Inc. | 1987 | Automotive Frames | Automotive | 500 |
 |
KML / Andersen | 1992 | Windows and Doors | Manufacturing | 285 |
 |
Grace Transport Inc. | 1993 | Warehouse, Trucking, and Logistics | Transportation & Warehousing | 200 |
 |
WeedMD | 2014 | Cannabis | Manufacturing | 210 |
 |
L.H. Gray & Sons Ltd. | 1934 | Poultry and Eggs | Food Processing | 150 |
 |
Bonduelle | 1983 | Frozen Vegetable | Food Processing | 270 |
 |
Catalent | 2007 | Drug Delivery Technologies | Pharmaceutical | 291 |
| Name | Sector | No. of Employees (approximate) | |
| Strathroy Middlesex General Hospital | Health Care | 430 | |
| Thames Valley District School Board | Education | 300 | |
| Municipality of Strathroy-Caradoc | Government | 200 | |
| Strathmere Lodge | Long Term Care | 195 | |
| London District Catholic School Board | Education | 89 |