Demesa Inc.

We specialize in the: Sales; Leasing; Repair Service; Training; Instrument Management; On-Site Service and Calibration; Calibration Services of portable and permanent gas detection instruments, photo-ionization detectors, industrial hygiene equipment, air sampling equipment, landfill monitors, water quality monitors, calibration gases and accessories. We are situated in the GTA and are able to serve customers all across Ontario and beyond.