| Business | Phone |
| Siemens Canada Limited 514 Newbold St, London N6E 1K6 | (519) 680-1435 |
| Nedpar Electric Ltd 125 Bessemer Rd #17, London N6E 1P9 | (519) 649-0822 |
| Siemens In Canada 629 Consortium Crt, London N6E 2S8 | (519) 685-7282 |
| Stein Industries 19 Artisans Cres, London N5V 5E9 | (519) 659-3659 |