The oldest central-station fire alarm company in the United States.

Nevada's oldest locally owned alarm company and monitoring centre.

Chicagoland fire alarm and monitoring, TMA Five Diamond designated.

Fire detection across Flanders from three offices.

Wiltshire fire and security systems and monitoring specialist.

Security, fire and disaster monitoring nationwide.

Boston-area fire alarm and TMA Five Diamond command centre.

Atlanta fire alarm contractor led by a NICET Level IV holder.

Design, installation, monitoring and maintenance of fire and security systems.

ULC-certified monitoring station operating since 1983.

Sprinkler, foam and gas systems with IoT monitoring.

Metro East St Louis fire alarm and TMA Five Diamond monitoring.

Fire detection and 24/7 monitoring on the coast.

Northern California fire alarm engineering, NICET 151522 and UL S35943.

SAQCC Fire Level 5 practitioner registration in the Cape Winelands.

Mississauga integrator with a bench of CFAA-certified technicians.

Atlanta commercial fire alarm with UL and TMA Five Diamond monitoring.

Nationwide fire alarm installer with its own alarm receiving centres.

Security, crime prevention and fire monitoring since 1966.

Canadian-owned contractor with fourteen branches across five provinces.

New Jersey fire alarm inspection, repair and central-station monitoring.

Front Range fire protection with NICET-certified staff and UL-listed monitoring.

Security and fire-detection systems across Zeeland.

UL 827 and FDNY Approved monitoring for Manhattan commercial buildings.

SBF-approved fire alarm in Borås and Skövde.

Purpose-built UL-listed central station serving Chicago's southern suburbs.

Fire detection and monitoring in Charleroi since 1969.

Montreal-area contractor organised around the CAN/ULC standards.

Florida and Georgia fire alarm contractor with NICET IV staff and its own central station.

Fire detection and alarm specialists, credentialled with CBMERJ and CREA.

Long Island central station for fire and sprinkler monitoring.

National commercial fire and life-safety integrator with a published licence schedule.

Cape Town turnkey detection, suppression and audio evacuation.

Commercial fire alarm and audio evacuation across Harris and Fort Bend counties.

ULC-Listed Signals Receiving Centre with its own installation fleet.

Puget Sound fire alarm design and installation with active NICET certifications.

Sprinkler design, installation and surveying to NZS 4541.

California fire alarm contractor, UL listing UUFX S36457.

Texas life-safety contractor with UL-listed monitoring and NICET staff.

ULC-listed central station compliant with CAN/ULC-S561.

CFAA-certified inspections to CAN/ULC-S536 across Ontario.

Self-performing Seattle installer with FA-1 and NICET-certified journeymen.

Quebec contractor with its own ULC-listed alarm receiving centre.

Fire alarms, emergency lighting and IQP building warrant of fitness.

GST fire detection and alarm equipment, LPCB-approved to five parts of EN 54.

Smoke, heat and gas detection for commercial and connected buildings.

Fire alarm, evacuation and fire-IoT systems from Shenzhen since 1985.

National integrator with SAQCC Fire technicians and CIDB 6SF.

NICET-designed fire alarm systems for multi-site commercial estates.

Certified fire and intruder alarm since 1993.

Alberta contractor holding CFAA and ECAA certifications.

China's largest listed fire alarm manufacturer, CE-marked to EN 54.

Houston fire alarm installation and monitoring, Texas licence ACR 3380.

Fire alarm installer and VdS-recognised alarm receiving centre.

Philadelphia-region fire alarm inspection to NFPA 72 and the Philadelphia Fire Code.

Mauricie installer publishing its RBQ and BSP licence numbers.

Commercial life-safety integrator across five Midwestern states since 1950.

The UK's largest integrated fire protection and security business.

Certified fire alarm systems for Stockholm businesses.

FireLink commercial fire alarm systems and cellular communicators.

Fire and security installations from Zutphen.

Alarm and remote-monitoring operator running four APSAD P5 certified receiving centres.

National Canadian contractor, 1,200 staff across fifteen branches.

ULC-listed monitoring centre issuing official ULC certificates.

ULC-certified Ottawa installer and authorised Mircom dealer.

Greater Montreal annual inspections to CAN/ULC-S536 and S537.

ULC-certified Manitoba company issuing building ULC certificates.

Fire detection and monitoring across eastern Belgium.

National fire protection, life safety and security services.

Fire protection, access and surveillance for the public sector.

East Frisian security firm with its own alarm receiving centre.

NICET-certified fire alarm, detection and security integrator.

Japan's first security company — 24/7 alarm receiving and response.

Fire alarm and fire protection across southern Sweden.

Mining fire protection and telemetry manufacturer, about 300 staff.

Intermountain West fire alarm contractor with multiple NICET certifications.

CIDB 6SF integrator with SAQCC-registered detection technicians.

Fire alarm, electrical fire monitoring and intelligent evacuation systems.

Automatic fire detection and extinguishing-control systems, made in Piemonte.

Fire alarm and security systems in Örebro and Värmland.

San Diego County fire detection and UL-listed central station.

Arizona fire alarm and suppression with NICET-certified specialists.

Canadian-owned life-safety contractor, 28 offices and 399 sprinkler technicians.

Three brands, three BOSEC certificates, one national group.

Fire alarm and electrical fire monitoring electronics from Tianjin.

Denver and Boise fire alarm contractor naming twelve NICET-certified staff.

Fire and voice alarm for critical infrastructure.