Ventilation, extract and pressurisation

Smoke control companies in Portland

1 company in Portland offering smoke management systems, including mechanical smoke extract and stairwell pressurisation.

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MacDonald-Miller Facility Solutions

Smoke-control and Seattle SC-1 pressurisation testing across the Pacific North West.

Contractor 100+ people 5 offices

Mechanical smoke extract Stairwell pressurisation

Seattle, Washington · HQ View company
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