The Department of Homeland Security has a vital mission: to secure the nation from the many threats we face. This requires the hard work of more than 260,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Its duties are wide-ranging, and our goal is clear - keeping America safe.

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.

DTCC is the premier post-trade market infrastructure for the global financial services industry. From 21 locations around the world, DTCC, through its subsidiaries, automates, centralizes, and standardizes the processing of financial transactions, mitigating risk, increasing transparency, and driving efficiency for thousands of brokers/dealers, custodian banks, and asset managers.

Depth Communications is a Minnesota company specializing in the service and installation of telecommunications and security needs, including service and installation of CCTV, video surveillance equipment, security cameras and alarm systems. Its technicians are trained and certified to install Axis and Bosch security cameras, which cover a variety of application needs, from rugged outdoor cameras for harsh climates to discreet products.

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.

Desktop Alert is a best-of-breed IP-Based alert technology which provides seamless integration with enterprise-class federated environments and shares communications and commands using standardised protocols such as XML and HTML. Some of the services offered by the company are common alerting protocol, instant messaging, video scribes and secure hosted solution.

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.

Detrios designs, delivers, and supports integrated access control and business system solutions to meet the toughest challenges.

Dev Technology Group is a WOSB, SDB delivering mission-critical applications and systems. The USA based company provides broad range IT services, with specialization in web-based application development and system modernization, database consulting services, biometric capture and integration solutions, and BMC Remedy and infrastructure management solutions.

Developing Solutions is focused on protocol development, test, and traffic analysis. They have developed dsTest, a software platform for the rapid deployment of protocols stacks, intended for performance and functional test.

DevelopIntelligence provides technical training for software developers and related talent in more than 300 subject areas. They help enterprise organizations onboard, upskill and reskill tech talent with programs customized to the stack, culture, and goals.

Development Fraud Investigations (DFI) conducts independent and objective investigations of fraud allegations for international development (NGOs and non-profits) and contracting organizations.

deView electronics is a manufacturer of CCTV cameras, IP technologies and LCD panels located in Lewisville Texas.

Devo is the only cloud-native logging and security analytics platform that releases the full potential of your data to empower bold, confident action. With an unrivaled scale to collect all of your data without compromise, speed to give immediate access and answers, and clarity to focus on the signals that matter most, Devo is an ally in protecting an organization today and tomorrow.

DFW IT Partner is a Reliable IT Partner providing one-stop IT solutions in Dallas, Austin, Fortworth, Houston, and San Antonio, Texas, USA. They provide businesses with the expertise, resources, and support needed to drive innovation and stay ahead of the competition in today’s fast-paced digital landscape. By working with them, businesses can achieve their technology innovation goals more efficiently and effectively.

DH Vision is a diversified manufacturer of low voltage video surveillance equipment and accessories. Their primary product lines include cutting edge technology and overall reliability. All of their high quality Uniview and Dahua brand DVRs, NVRs, HD-CVI cameras, and IP cameras are backed by a 3-year warranty. DH Vision believes that being able to provide the best security footage to end users will keep the streets, houses, and businesses safer.

DH2i Company is a provider of multi-platform Software Defined Perimeter and Smart Availability software for Windows and Linux. DH2i software products DxOdyssey and DxEnterprise enable customers to create an entire IT infrastructure that is “always-secure and always-on.”

Dial-N-Document is web-based documentation system provider that interfaces with services for a secure Electronic Visit Verification (EVV) solution. Dial-N-Document provides accurate time & attendance, biometric voice verification, Near Field Communication technology etc.

Dialogic has been serving both the enterprise and service provider markets. Dialogic also develops technologies that enable operators to give their subscribers a reliable, seamless, and extremely enjoyable communications experience across countless devices connected on a wide variety of networks.

Dictograph is a 20-years old locally owned and operated security company providing a wide range of services for their clients. With 24/7 Dispatch, Dictograph's Professional trained Guards and Patrol service can respond to any need at any time in the Tucson and surrounding areas.

Dictoguard Security Alarm Systems custom designs security alarm systems to fit your needs and budget in the Greeley, Fort Collins, Windsor and Loveland area. We provide everything from commercial access control systems to residential security cameras. Whatever your security needs, we're here to provide you with superior products and an installation team that's courteous and professional.