| Business | Phone |
| Innopharm Inc 1 Valleywood Dr, Markham L3R 5L9 | (905) 470-2028 |
| Silliker Canada Co 90 Gough Rd #4, Markham L3R 5V5 | (905) 479-5255 |
| Tanda Assoc 532 Hood Rd, Markham L3R 3K9 | (905) 305-9455 |
| Vita-Tech 1345 Denison St, Markham L3R 5V2 | (416) 798-4988 |