Air Seperation Technologies

AST Canada is Ontario's largest source for Donaldson dust collector & ventilation systems; Nilfisk industrial vacuum cleaners; Tri Mer air-pollution & odour control systems; Nordfab ducting; BOSS explosion protection equipment; weld fume extraction solutions; Continental Carbon air filtration & all associated consumables.

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AST Mechanical

AST Mechanical specializes in fabrication, installation, relocating & maintaining dust-collection, ventilation & HVAC systems in Ontario & the rest of Canada including millwrighting, custom sheet metal fabrication, custom ducting, piping, rigging & structural services for industrial, commercial & institutional applications.



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AST Engineering

AST Engineering is licensed to offer engineering services in Ontario. We offer engineering analysis & design services for dust-collection, workplace ventilation & fire systems. This includes Dust Hazard Analysis, Explosion Protection, Stack Pollution Control and general workplace safety code & guideline adherence.

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Stevenson Sprinkler

Stevenson Sprinkler & Fire Protection has 25+ years of experience in all aspects of fire safety equipment installation, inspection & maintenance. This includes fire safety sprinkler, hydrant & standpipe systems; pumps, emergency lighting, fire alarms & extinguishers. Our service area covers all of Southern Ontario.

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