Top Security Companies (2,415)

Nardello & Co. is a leading global investigations firm specializing in complex matters, including civil and white-collar litigation support, anti-corruption investigations, asset tracing, strategic intelligence, and computer forensics. The firm serves a diverse clientele of leading law firms, financial institutions, Fortune 500 and FTSE 100 companies, governments, and high-net-worth individuals, providing ethically obtained information to help decision-makers manage risk and...

Sigma Prime specialises in information security, blockchain, and system design. Their team provides the expertise required to operate securely and efficiently in high-risk, dynamic and emerging environments, such as cryptocurrencies and distributed ledgers. Sigma Prime also founded and maintains Lighthouse, an open-source implementation of the Ethereum 2.0 specification written in Rust, and are heavily involved in Ethereum 2.0 engineering and research. Through...

SilverSky is a comprehensive suite of technology and services that bring simplicity to your cybersecurity. With managed security services, managed detection and response, email protection services, cloud-hosted email, and compliance and risk services, SilverSky allows you to understand, detect and effectively respond to threats, reduce business risk and improve your return on investment. By tirelessly safeguarding your most important data, SilverSky enables...

Kreative Technologies, LLC is a SBA 8(a) certified company founded in 2013. Our goal is to provide sound information systems and security management with focused efforts within the federal healthcare industry. Our collaborated efforts span across all realms of technology to help improve federal healthcare.

Mission Support and Test Services, LLC manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration. The company ensures the security of the United States and its allies by supporting the stewardship of the nuclear deterrent, providing emergency response capabilities and training, and contributing to nonproliferation and arms control initiatives through high-hazard experimentation and...

Mobasi builds autonomous AI agents that conduct digital forensics investigations for law enforcement, aiming to accelerate these processes and provide advanced tools.

Texas A&M Engineering Extension Service (TEEX) is an internationally recognized state extension agency providing emergency-response, workforce, infrastructure, and homeland-security training plus technical assistance. Its programs cover fire and emergency services, utilities and occupational safety, law enforcement, protective services, business and cybersecurity, and public-safety wellness. TEEX also provides federally funded homeland-security exercises and sponsors Texas A&M public-works and task-force response teams.

Keelson Strategic is a premier full-service security solutions firm with a global reach spanning over 175 countries. The company provides white-glove services including residential security, executive protection, and advanced geolocation-specific travel support. They are committed to providing tailored solutions that meet the distinct needs of each client, operating in a fast-paced, dynamic environment that requires maturity, adaptability, and a client-focused,...

Guardian Security Services, Inc. is a full-service, manned security provider serving the tri-state region. It supplies unarmed officers, fire/life-safety directors, fire guards, roving patrols, concierge personnel, and front-desk staff for buildings and venues. The company’s services are designed to meet varied property and event requirements, providing staffed protection and security operations for commercial, residential, and other clients across its service...

Clarion Security LLC is a privately held security-services company that protects businesses, properties, personnel, and other client assets. It provides armed and unarmed security guard services, emphasizing rigorous officer training, innovative technology, transparent reporting, site-specific procedures, incident response, and customer service. The company’s mission is to give organizations confidence to operate by combining qualified personnel, operational discipline, and technology-driven security...

Strategic Ventures Consulting Group, LLC is a dynamic consulting firm founded in 2009, dedicated to delivering tailored technical and management solutions that address the unique challenges faced by both government and commercial clients.

UnifyID is now part of Prove. The Next Generation Platform for Identity and Authentication. Hate passwords? So do we. We believe that within five years, passwords will no longer be the predominant method of authentication. We are UnifyID, a company that is building a revolutionary identity platform based on implicit authentication. Our solution allows people to identify themselves in a unique way that...

Defendify is the leading all-in-one SaaS cybersecurity platform for organizations without security teams, including IT providers.

P3S Capital is a privately funded family office and holding company based in Fort Lauderdale, Florida. The firm focuses on building a portfolio of companies and investments that deliver exceptional value and a meaningful positive impact on the world. Its portfolio includes companies specializing in the provision of crisis management and response services to local and global companies and governments.

Nation Security is a professional security agency based in Miami, Florida, providing a wide range of specialized services. They offer top-notch security guard services, executive protection, fire watch, and event security. Additionally, the company provides high-value transport protection services for assets such as jewelry, cash transfers, corporate equipment, and critical documents.

The National Geospatial-Intelligence Agency (NGA) is a unique combination of an intelligence agency and a combat support agency. As the world leader in geospatial intelligence (GEOINT), NGA provides timely, relevant, accurate, and actionable location-based intelligence. It enables the U.S. intelligence community and the Department of Defense to fulfill national security priorities and protect the nation.

Zenity is the first security and governance platform purpose-built for AI agents - spanning SaaS, home grown platforms (Cloud), and end-user devices (Endpoint). Trusted by Fortune 500 enterprises, Zenity helps security teams confidently adopt AI by delivering defense in depth with full-lifecycle coverage: from agent discovery and posture management to real-time detection, prevention, and response. As enterprises adopt Microsoft Copilot,...

Fire Fighter Sales & Service Co. is a leading provider of comprehensive fire protection solutions, specializing in the design, installation, maintenance, and inspection of fire safety systems. Serving industrial and commercial organizations across the Pittsburgh tri-state area, they offer a wide array of products and services, including fire alarms, sprinklers, and suppression systems, as well as professional training and consultation...

Walrus Security keeps push payments safe by developing and deploying novel authentication technology in a low-friction platform. Their mission is to authenticate and protect every payment.

The Artificial Intelligence Underwriting Company (AIUC) builds confidence infrastructure to accelerate enterprise AI adoption by certifying and insuring AI agents. They develop the AIUC-1 standard for security, safety, and reliability, providing independent audits and insurance underwriting to protect companies from AI-specific risks, such as hallucinations and data leakage, ensuring autonomous systems are deployable and accountable.