| Instruments laboratory |
| Calibration instruments |
| Instruments equipment |
| :: Precision Hearing Instruments Ltd | Address : 751 Victoria Street South, Kitchener, ON N2M 5N4 CANADA Phone : 519-741-5852 Fax :  More Details |
| :: Precision Music | Address : 38 Manitoba Street, Bracebridge, ON P1L 1S1 CANADA Phone : 705-645-4777 Fax : More Details |
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