Decision Sciences is a provider of advanced security and contraband detection systems. They bring together cutting-edge science, hardware and software development, systems integration and manufacturing to improve the safety and security of the global community.

Dedicated Micros Inc. is an technology and video surveillance industry company. It provides tailored high-end secure IP video solutions, with consultancy, for clients that demand systems that deliver great effectiveness, reliability and return on investment.

Dedrone Inc. develops drone detection technology every day with passion. They are currently 40 employees strong on three continents with a common goal - to make airspace safer.

Deep Sentinel is a pioneer of AI-based home protection. The company’s intelligent crime prevention transforms home security from false alarms and ineffective after-the-fact crime alerts to real-time crime prediction and prevention. Deep Sentinel's services and products include 24/7 human monitoring, next-gen wireless cameras, and intelligent hub for storing footage.

Deepgram is a research-driven, foundational AI company focused on building voice technology that transforms human-to-machine interactions.

Defentect develops and delivers software solutions to facilitate the response to the detection of a threat. The company improves customers' safety, security and continuity by facilitating an appropriate, informed and timely response.

Defy is an early-stage venture fund focused on emerging high-potential opportunities. Chasing hype is not our style. Defy.vc value authenticity, and admire the tenacity it takes to turn a daring idea into an enduring company. Defy.vc back extraordinary people capable of changing the status quo. Defy.vc showcases its success, and works hard behind the scenes to amplify it.

Deggy is a manufacturer and designer of guard tour products and softwares with over 30 years of experience. Their solutions have empowered a wide range of companies not just in the security industry but in other fields like healthcare, universities, property management, utilities, hotels. Some of their Guard Tour Solutions include Deggy Control Software, Deggy Smart Map, Deggy Guard Tour App, and Deggy Cloud Pro.

Dejero supplies the equipment, software, connectivity services, cloud services, and support to provide the uptime and bandwidth critical to the success of today’s organizations. Dejero blends multiple Internet connections to deliver fast and dependable connectivity required for cloud computing, online collaboration, and the secure exchange of video and data.

Delaney Hardware is a renowned provider of premium builder hardware for residential homes, multi-family buildings, and commercial projects. As part of the Sargent and Greenleaf (S&G) family of brands, Delaney offers a full portfolio of hardware including door hardware, digital locks, barn door hardware, bath accessories, commercial hardware, trim hardware, steel doors and frames.

Delco Security stands as a national Master Systems Integrator (MSI), committed to providing cutting-edge and adaptable system solutions. They serve a wide range of industries that include municipal, universities, corrections, hospitals, and many more. They take pride in being able to integrate the solutions using new and existing technology, making them one of the most versatile solutions providers.

DeleteMe removes unwanted instances of personal information from online sources, making it simple for customers to keep their personal data from being used and abused by others.

Delinea is a provider of privileged access management solutions that make security seamless for the modern, hybrid enterprise. Its solutions empower organizations to secure critical data, devices, code, and cloud infrastructure to help reduce risk, ensure compliance, and simplify security. Delinea removes complexity and defines the boundaries of access for thousands of customers worldwide, including over half of the Fortune 100.

As an end-to-end computing solutions company, Dell provides high quality solutions. The company serves customers ranging from the world's largest businesses and public-sector organizations, to small and medium businesses, and individual consumers. Dell specializes in computers, storage, servers, IT services, services, software, IT security, end-to-end computing solutions, mobility, cloud computing, etc.

Dell EMC serves a key role in providing the essential infrastructure for organizations to build their digital future, transform IT and protect information. Dell EMC enables enterprise customers’ IT and digital business transformation through trusted hybrid cloud and big-data solutions, built upon a modern data center infrastructure that incorporates industry-leading converged infrastructure, servers, storage, and cybersecurity technologies.

Delta Audio-Visual Security is a full-service, electronic systems integration firm. They provide complete Design and Engineering Services, Installation, Documentation and Customer Training for high-tech audio, video, control systems, digital signage, and unified communication.

Delta Southern UAS explores the capabilities and feasibility of UAVs (Unmanned Aerial vehicles) for defense, commercial and agricultural applications. An industry leader in software processing and drone technology, the company aims to contribute to the success of clients and customers by investing in high technology drone systems.

Delta Turnstiles is a manufacturer of high quality optical turnstiles for corporate and government lobby entrance control needs. As a complement to a sophisticated access control system, Delta’s focused line of architecturally designed products satisfies the needs of both security and facility management concerns.

Deltrol Controls is located in Milwaukee, Wisconsin, and is a wholly-owned subsidiary of Deltrol Corp. For over 50 years, the have designed and manufactured solenoids, relays, valves, and custom assemblies for a variety of applications. Their Milwaukee operation employs approximately 125 people, working out of a 110,000 square foot manufacturing facility.

Dennis Sage Home Entertainment offers various home theater and automation products such as Home Theater Design and Installation, High Performance Audio and Video Systems, Home Automation and Control Systems, 24 Hour Security and Monitoring Services, Security Systems, Whole House Audio and Video. Their featured product is the Alarm.com which helps control all of one’s home systems with the touch of a finger.

Denso Wave is a globally renowned company in the development, manufacture and sales of instruments, including automatic recognition, industrial robots, programmable controllers and associated systems.

Deploy Security's team consists of carefully selected, highly trained security professionals. Each member of their staff undergoes a rigorous screening process and a comprehensive training program.

Reduce user friction, prevent account takeover, and get a 360° view of the customer and agentic identities with the Descope External IAM platform. Use visual workflows, SDKs, and APIs to create and customize identity journeys for customers, partners, AI agents, and MCP servers.

Designed Security, Inc. (DSI), a Detex Company, has been making quality security products in the U.S.A. for more than 30 years. The company offers a full range of access management products to fit building aesthetics while meeting today’s most demanding security requirements. DSI has developed custom and standard state-of-the-art security and access control solutions for corporate, commercial, government and industrial markets.

DetectaChem is a privately-held company and manufacturer of the rapidly deployable, handheld, intelligent, and easy-to-operate detection system called the Seeker. The Seeker enables threat detection for safety and security operations throughout the world. Located in Houston, Texas USA, DetectaChem is a leading global provider of portable trace detection technology for both government and civilian applications.

Detectag Inc. is a Canadian company which specializes in designing and manufacturing high quality anti theft / anti-shoplifting equipment as well as other security solutions for the retail loss prevention market. The company has been manufacturing EAS (Electronic Article Surveillance) Anti-shoplifting RF (Radio Frequency) systems since 1990 and has been in the security industry since 1983 with the introduction of the first search selector.

Deterrent Technologies was founded in 1982, providing integrated electronic security systems, design, installation, and service. They offer services to a vast variety of corporations, including pharmaceutical, financial, telecommunications, manufacturing, and real estate sectors.