| Business | Phone |
| Altera Corp 2 Robert Speck Pky #750, Mississauga L4Z 1H8 | (905) 270-7477 |
| Microchip Technology Canada 6285 Northam Dr, Mississauga L4V 1X5 | (905) 673-0440 |
| Cee Jay Microsystems Ltd 120 Matheson Blvd E #204, Mississauga L4Z 1X1 | (905) 568-8809 |
| Express Semiconductors Inc 1330 Blundell Rd, Mississauga L4Y 1M5 | (905) 270-7822 |