| Business | Phone |
| Apple Canada Inc 7495 Birchmount Rd, Markham L3R 5G2 | (905) 513-5800 |
| Ibm Canada Ltd 3600 Steeles Ave E, Markham L3R 9Z7 | (416) 383-5000 |
| Robin Hood Multifoods Inc 60 Columbia Way, Markham L3R 0C9 | (905) 940-9600 |
| Beaver Lumber Co Ltd 7303 Warden Ave, Markham L3R 5Y6 | (905) 479-2255 |
| Steelcase Canada Ltd 1 Steelcase Rd W, Markham L3R 0T3 | (905) 475-6333 |
| David Geller Assoc Canada Inc 145 Renfrew Dr #260, Markham L3R 9R6 | (905) 470-0560 |