Home Security System Installation in Missouri

ABF Security (American Burglary & Fire Inc.) is a locally owned, family-operated security and alarm company based in Fenton, MO, protecting homes and businesses in the greater St. Louis metro area since 1978; ABF Security provides full-service installation and 24/7 alarm monitoring from its own ESA-certified central station (Five Diamond Award), and the company offers residential and commercial solutions including security and fire alarm systems, surveillance cameras, access control, interactive door locks, home automation, nurse call and mass notification systems, and related monitoring and support services.

ADT is a leading provider of home and business security systems and 24/7 professional monitoring, offering alarm systems, security cameras, smart-home integration through the ADT+ app, life-safety solutions, and services for health and senior safety; the company operates multiple company-run monitoring centers to deliver round-the-clock response, provides both professional installation and DIY options, and leverages more than 150 years of experience to deliver monitored protection, connected devices, and customer support.

BlackStack Security is a Kansas City–based security officer company that provides tailored on-site protection, trained security guards, and technology-driven security solutions for residential and commercial clients; BlackStack Security emphasizes proactive, reliable service and offers security services and training programs designed to protect property, assets, and personnel while delivering personalized plans and rapid response through its local team.

Blueline Security is a St. Louis–based security company founded in 2018 that provides tailored, professional protection services including armed and unarmed security, mobile patrols, off-duty police officers for high-authority response, risk assessments, executive protection with secure transportation, and alarm-response services; the company serves a range of sectors such as retail, healthcare, hospitality, financial institutions, property management, and hotels, emphasizes rigorous training and customized security plans, and positions itself on reliability, ethics, and client-focused service (Blueline Security).

Campbell Security Group provides private and executive protection services from its St. Louis base, offering aviation security (ASO) for private aircraft, concierge and transportation support, off-duty law enforcement assignments, security vulnerability assessments, event and corporate protection, and related concierge services; Campbell Security Group is veteran-owned, maintains a nationwide pool of former law enforcement and military professionals, and focuses on advance planning, real-time intelligence, and tailored security solutions for CEOs, corporate leaders, and high-profile clients.

Citizen's Guard Security is a professional security guard company founded and led by Greg Miller that provides armed and unarmed security officers, mobile patrols, event and retail protection, private patrols, investigations, and specialized training programs across multiple states including Missouri, Indiana, Alabama, Florida, Kentucky, and Tennessee; the company combines personnel with military, law enforcement, and investigative backgrounds, partners with Riley Security to expand capabilities, and focuses on tailored, technology-informed security solutions, community partnerships, and responsive on-site protection.

GCI Security, Inc. is a family-owned and operated security company serving the Greater St. Louis area for over 30 years. The company provides professional armed and unarmed security guards (including secondary police officers), mobile patrols, security camera installation and monitoring, security investigations, consulting and site audits, and 24/7 dispatch services. GCI Security, Inc. emphasizes accessible, experienced management, customized security solutions, rapid responsiveness through its dispatch center, and long-term partnerships with neighborhood business districts, property managers, and commercial clients.

Homeland Security Protective Service is a Kansas City–based security company that provides armed and unarmed uniformed officers, fixed-post and mobile patrols, alarm and video installation and monitoring, prisoner transportation and extradition services, and high-risk Class A security solutions across the Missouri and Kansas metro areas; Homeland Security Protective Service is police-officer founded and managed, operates from headquarters at 287 E. 69 Hwy in Kansas City, emphasizes advanced technology and rigorous professional standards, and offers free consultations and site analyses to tailor security plans for commercial, residential and institutional clients.

Kenton Brothers is a long-established Kansas City security systems company ("All Secure Since 1897") that designs, installs, and services commercial security solutions including commercial video surveillance, access control, intrusion detection, mass notification, doors/frames/lock hardware, and specialty products; Kenton Brothers operates a commercial counter and regional service teams, offers system design and national accounts support, maintains a strong service and maintenance program, is a nationally certified Woman Owned Small Business Enterprise (WBENC), and positions Kenton Brothers as a locally rooted security provider backed by deep technical expertise and ongoing support.

Metro Public Safety & Investigations is a locally owned and operated Kansas City-area security company based in Independence, MO that specializes in Class A security for high-risk environments and provides armed and unarmed officers, mobile patrols, on-site security, alarm response, dispatched call response, loss prevention, ATV patrols and 24-hour video monitoring trailers; Metro Public Safety & Investigations emphasizes rigorous vetting and training (including many ex-police and military personnel), uses a police-like approach with patrol vehicles and advanced officer tour-tracking technology, and is led by founder Jason McGinness to deliver professional, technology-driven protection across the Kansas City Metro and St. Joseph area.