Firestopping and intumescent coating specialist in County Londonderry.

LPS 1531 approved installer working across London since 1993.

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

ULC Qualified Firestop Contractor across Western Canada.

Alberta fireproofing and firestopping contractor since 1984.

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

Swiss insulation contractor with 24 firestopping approvals in its own name.

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

FM 4991 and UL Qualified firestopping and spray fireproofing.

Houston firestop contractor with FM Designated Responsible Individuals.

Ottawa fireproofing specialist with a separate firestop practice.

Licensed Flameshield fire-rated ductwork fabricator, LPS 1531 approved.

Penetration sealing and structural protection across NSW and Queensland.

UL-listed intumescent steel coatings and firestop fill materials.

Calgary-area UL Solutions Qualified Firestop Contractor.

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

Cardiff M&E contractor with LPS 1531 approved passive fire protection.

National supplier and installer of passive fire protection systems.

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

Northern Ireland passive and structural fire protection contractor.

Passive fire protection installer covering firestopping and coatings.

Central Scotland passive fire protection contractor.

Passive fire protection for penetrations, walls and steel.

Alberta applicator of sprayed fire protection and elastomeric firestop.

Passive fire compliance, certification and auditing from Concord.

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

North Wales ductwork maker with LPS 1531 approval.

Engineering judgements and testing, led by a serving ULC fire-tests committee member.

FM approved firestop application contractor in Southern California.

FIRAS-certified intumescent coating and firestopping specialist.

Victoria's largest specialist passive fire workforce.

FM-approved firestop and spray fireproofing contractor in Western New York.

Structural fireproofing — sprays, intumescent paints and board encasements.

Manufacturer of firestop systems for cable, pipe and combination penetration seals.

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

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

Structural steel fire protection specialist, LPCB-listed.

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.

Nova Scotia firestop and fireproofing contractor.

FM 4991 certified and UL Qualified firestop contractor, Mid-Atlantic.

Ductwork maker covering Bedfordshire, London and Milton Keynes.

Compartmentation across six certified techniques.

Ontario fireproofing and firestopping division incorporating Donalco.

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

Woman-owned UL qualified firestop and fireproofing contractor.

Nuclear-grade and commercial firestop sealing materials, UL-listed.

Hamilton-area UL Solutions Qualified Firestop Contractor since 1972.

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.

GTA firestop and sprayed fireproofing, UL Solutions qualified.

Denver family-owned qualified firestop contractor since 2007.

Glasgow contractor for coatings, boarding and firestopping.

National industrial fireproofing, coatings and insulation contractor since 1956.

Manitoba spray foam, coatings and fire protection contractor.

Wisconsin's first UL Qualified firestop and fireproofing contractor.

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

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

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.

Intumescent coatings and firestop systems, made at Trelleborg since 1988.

Leicestershire specialist in intumescent paint and fire stopping.

Firestopping and structural fire protection in Limburg.

Firestopping, structural protection and fire doors.

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

FM 4991 approved firestop contractor for Denver and the Pikes Peak region.

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

UL Qualified firestop and intumescent coating contractor.

Manufacturer of HENSOTHERM and HENSOMASTIK intumescent fire protection coatings.

Smoke vents and car-park ventilation across Belgium.

Chengdu spray-applied fireproofing, UL-listed to UL 263.

Swiss construction chemicals, with VKF-approved concrete fire systems.

Nottinghamshire firestopping and structural fire protection contractor.

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

Manufacturer and installer of PYRO-SAFE penetration seals and coatings.

London stone and facade specialist installing perimeter fire barriers.

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

Leeds firestopping specialist sealing service penetrations.

Passive fire protection installer certified for six manufacturers' systems.

Australia's largest maker of tested passive fire systems.

Atlantic Canada fire safety and insulation contractor.

Wiltshire ductwork contractor with LPS 1531 approval.

Gloucester ductwork maker with fire damper and PFP work.

Manitoba industrial fireproofing and firestopping specialist.

Northern Ireland HVAC and steel fabricator, LPS 1531 approved.

Fire-retardant timber treatments and Palusol intumescent boards.

Fireproofing, insulation and compartment penetration sealing.

Manufacture, installation and maintenance of glazed fire doorsets for Berlin-Brandenburg.