| Business | Phone |
| Holtz Precision Instruments 7171 Torbram Rd #52, Mississauga L4T 3W4 | (905) 677-1212 |
| International Metrology Inc 2798 Thamesgate Dr #6, Mississauga L4T 4E8 | (905) 612-1028 |
| W G Sloan Ind Supplies 3170 Ridgeway Dr #6, Mississauga L5L 5R4 | (905) 820-0903 |
| Canadian Measurement Metrology 2433 Meadowvale Blvd, Mississauga L5N 5S2 | (905) 819-7878 |
| Swiss Instruments Ltd-Belmag 1920 Mattawa Ave, Mississauga L4X 1K1 | (905) 279-1275 |