Damper installation, fire spray and door inspection under one roof.

Norfolk manufacturer of fire, smoke and smoke-shaft dampers.

Fire dampers, firestopping and annual fire safety inspections.

Ventilation systems with a VKF-approved fire shut-off.

UL-classified life safety dampers and AMCA-rated louvers.

Upper Austrian ventilation manufacturer with certified fire dampers.

Family-owned maker of fire and smoke dampers, certified by RISE.

FM 4991 certified firestop and life-safety compliance contractor.

LPS 2084 certified ductwork inspection and fire damper testing.

Kent manufacturer of fire dampers, smoke control and air control products.

Fire damper and barrier inspection and rectification.

National supplier and installer of passive fire protection systems.

Midlands ductwork inspection and fire damper testing, LPS 2084.

Passive fire compliance, certification and auditing from Concord.

FD-series fire dampers CE marked to EN 15650 under the CPR.

French manufacturer of NF- and CE-certified fire dampers.

ICB-certified fire and smoke damper testing in the Pacific Northwest.

Smoke control fans, life safety dampers and garage ventilation.

APSAD-certified installation and maintenance of fire compartmentation across France.

Ventilation shut-off devices and flexible ducting.

Compartmentation across six certified techniques.

Madrid maker of EN 15650 fire dampers and EN 12101-8 smoke control dampers.

Barrier management and fire door compliance for healthcare estates.

The mcr range of smoke vents, curtains, extract fans and fire dampers.

French manufacturer of smoke-extraction ductwork, shafts and dampers.

One of four Canadian FCIA members carrying the fire and smoke damper flag.

National ductwork cleaning to TR/19 with fire damper testing.

UL-rated fire, smoke and combination fire/smoke dampers.

Designs, manufactures and installs its own passive systems.

Firestopping, structural protection and fire doors.

Fire door, damper and barrier compliance across all 50 states.

Belgium's fire and smoke damper manufacturer.

Smoke vents and car-park ventilation across Belgium.

Fire dampers certified to EN 15650, classified EI 120 S.

Manufacturer of fire dampers, air distribution and smoke control components.

Differential pressure, smoke ducts, smoke vents and EN 15650 fire dampers.

Fire dampers for ventilation and air-conditioning systems.

Ottawa interior systems contractor with fireproofing and fire caulking.

Fire dampers, smoke extraction components and differential-pressure systems.

Home of the Actionair fire and smoke damper range in the UK.

Fire-resistant sealing, compartmentation and damper works.

Australia's largest maker of tested passive fire systems.

Fire dampers and air-handling components, manufactured at Rüti.

Thetford manufacturer of fire dampers, smoke control and tunnel dampers.

UL listed dampers and hurricane-rated louvers.

Gloucester ductwork maker with fire damper and PFP work.

Swiss air-handling manufacturer with VKF-approved fire shut-offs.

Northern Ireland HVAC and steel fabricator, LPS 1531 approved.

Family manufacturer of fire and smoke dampers, air distribution and acoustic components.

Fire and smoke dampers for buildings, metro and nuclear plant.

Fire dampers, fire-rated ventilation ducts and pressurisation systems.