Firestopping and intumescent coating specialist in County Londonderry.

Newport and Swansea fire safety contractor with FIRAS-certified fire door services.

Belfast passive fire protection specialist working across the UK and Ireland.

ETA-certified firestop collars, seals and linear joint systems.

Austria's most broadly certified dedicated firestopping house.

Third-party certified passive fire protection for London and the South East.

FM 4991 and UL Qualified firestopping and spray fireproofing.

Building services contractor holding LPS 1531 approval.

Leeds manufacturer of cavity barriers and party-wall fire stopping.

FM 4991 approved firestop contractor for Maryland, DC and Virginia.

Penetration sealing and structural protection across NSW and Queensland.

Calcium-silicate and fibre-cement boards for REI walls and structural protection.

South East fire safety contractor, third-party certified passive works.

LPS 1500 approved installer of fire-resisting compartmentation.

Dually UL Qualified and Factory Mutual certified firestop contractor.

One of few firms holding LPS 1531, LPS 1271 and LPS 1197 together.

National supplier and installer of passive fire protection systems.

Composite panel firewalls under LPS 1500 and LPS 1531.

Design-and-build passive fire protection across both islands.

Fire-resistant penetrations, doors and linings with certified fitters.

UL-Qualified firestop contractor supplying the inspection paperwork.

Passive fire protection installer covering firestopping and coatings.

Scottish FM contractor holding both LPS 1271 and LPS 1531.

Central Scotland passive fire protection contractor.

One of three FM 4991 certified firms in Ohio.

Certificated fire stopping and compartmentation surveying for London and the Home Counties.

Independent third-party firestopping special inspection agency.

Passive fire protection for penetrations, walls and steel.

Scottish building services group with a FIRAS-accredited passive fire division.

Dually FM- and UL-certified firestop specialist in Michigan.

FM 4991 certified firestop division of a Houston insulation contractor.

FM 4991 approved firestop contractor for Dallas–Fort Worth healthcare work.

Victoria's largest specialist passive fire workforce.

Caerphilly contractor combining passive fire protection with compartmentation surveying.

Hilti Accredited firestop specialty contractor for eastern Iowa.

UL Qualified Firestop Contractor working across six south-western states.

Structural fireproofing — sprays, intumescent paints and board encasements.

Bay Area firestop consultancy and FCIA-listed special inspection agency.

IFC-certified passive fire protection with northern and London operations.

Leicestershire contractor holding LPS 1271, LPS 1500 and LPS 1531.

Hertfordshire installer of passive fire protection products.

Structural steel fire protection specialist, LPCB-listed.

UL Qualified Firestop Contractor covering the South East.

Fire compartmentation, penetration seals and inspection.

Fife passive fire protection and fit-out contractor for data centres and plant.

National contractor for structural fire protection and fire-rated service ducts.

The nation's first UL Qualified Firestop Contractor.

NZQA-qualified firestopping installers authoring their own PS3.

Type 4 intrusive survey and firestopping specialist.

LPS 1500 approved composite panel compartmentation installer.

UK-wide drilling and passive fire protection group, LPS 1531 approved.

UL Qualified Firestop Contractor across the Pacific North West and Rockies.

Compartmentation across six certified techniques.

Cold store and firewall contractor holding LPS 1500 and LPS 1531.

Barnsley drylining contractor holding LPS 1531 and LPS 1271.

Glasgow fit-out contractor holding LPS 1271 and LPS 1531.

FM 4991 approved insulation and firestopping contractor in Western New York.

FM 4991 approved firestop division of a Phoenix insulation contractor.

Manufacturer of intumescent seals, strips, boards and cavity barriers.

London facade contractor installing perimeter fire barriers.

UL Listed steel framing and firestopping components.

Gdańsk manufacturer of fire-protection boards, sprays and penetration seals.

Spanish maker of sprayed mortars, protective boards and penetration seals.

Somerset passive fire protection contractor with a northern office.

Leeds fire compliance contractor holding three LPCB schemes.

Home Counties fit-out contractor, LPS 1531 approved.

Glasgow contractor for coatings, boarding and firestopping.

Certified firestopping and compliance for commercial buildings.

Long-established British manufacturer of firestop collars, seals and cavity barriers.

Ireland's only LPS 1531 approved passive fire protection installer.

UL Qualified Firestop Contractor inside a top-five national finishes group.

South Wales contractor installing passive fire protection.

Fire-protection boards, mortars, firestop systems and fire-resistant glazing.

Designs, manufactures and installs its own passive systems.

Wrocław passive fire protection contractor, certified for six system houses.

Peterborough fire stopping, interiors and facade fire protection contractor.

East Anglian passive fire protection contractor.

Okanagan firestop contractor that also builds the rated separations.

Firestopping, structural protection and fire doors.

IFC-certified firestopping, compartmentation and fire door remediation.

Cardiff fire contractor holding LPS 1271, LPS 1197 and LPS 1531.

Stone wool manufacturer with the FirePro firestopping range, made in Wales.

Aachen specialist contractor for thermal, acoustic and passive fire protection insulation.

Smoke vents and car-park ventilation across Belgium.

UL Qualified firestop contractor for the Portland metro.

US manufacturer of UL and cUL Certified firestop systems.

Nottinghamshire firestopping and structural fire protection contractor.

LPCB-approved Scottish specialist in on-site and off-site passive fire protection.

UL Qualified Firestop Contractor with a fire barrier assessment programme.

London stone and facade specialist installing perimeter fire barriers.

Fire-resistant sealing, compartmentation and damper works.

Rochdale manufacturer of flexible fire barriers and ablative batt systems.

Midlands contractor for intumescent paint, fire stopping and fire boarding.

Facade installer fitting fire barriers at the compartment junction.

Manchester manufacturer of cavity fire barriers and service-penetration firestops.

Leeds firestopping specialist sealing service penetrations.

Passive fire protection installer certified for six manufacturers' systems.

Australia's largest maker of tested passive fire systems.

Certified fire-safety installation within building works.

National building compliance contractor, LPS 1048 approved.

UL certified union firestopping contractor for the Upper Midwest.

Calgary firestop installation and inspection, UL Solutions qualified.

City of London facade business fitting perimeter fire barriers.