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Top Washington DC Security Companies (175)

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Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
17 Offices
35,000 Employees

As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work, is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.


Cloud • Information Technology • Sales • Security • Software • Cybersecurity
6 Offices
3,000 Employees

We do this by embracing tenacity, passion, and collaboration to challenge what’s possible and drive extraordinary impact. Here, we’re building a dynamic workplace where everyone can have the career experience of a lifetime. We challenge ourselves to grow to our full potential. We learn from our missteps and celebrate our victories. We come to work every day to push boundaries in cybersecurity and keep our 11,000+ global customers ahead of whatever’s next.


Information Technology • Security • Cybersecurity
7 Offices
3,300 Employees

Cloudflare, Inc. is on a mission to help build a better Internet. Cloudflare’s suite of products protect and accelerate any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was awarded by Reuters Events for Global Responsible Business in 2020, named to Fast Company's Most Innovative Companies in 2021, and ranked among Newsweek's Top 100 Most Loved Workplaces in 2022.


Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
8 Offices
1,400 Employees

Anduril is a defense products company. Unlike most defense companies, we don’t wait for our customers to tell us what they need. We identify problems, privately fund our R&D and sell finished products off the shelf. Ideas are turned into deployed capabilities in months, not years.


Artificial Intelligence • Information Technology • Security • Defense
4 Offices
137 Employees

Dedrone is a leader in airspace security. With more customers around the world than any other airspace security company, we enable our clients to protect people, property, and information from the threat of drones, while enabling the “good” drones to take off (pun intended). The simple fact is that no security company can build a barrier strong enough or high enough to protect from a drone, so we need a tech solution to protect us from the persistent and escalating drone threat. At the same time, the “good” drones will dramatically improve our lives and increase GDP by completing tasks like acting as first responders, delivering medical supplies and retail packages, and more. By combining advanced sensor-fusion technology with AI-driven pattern recognition software, our solutions enable early and reliable drone detection, pilot location and advanced warning in the event an unauthorized drone approaches a secured area. Our customers include national governments, public safety agencies, sporting stadiums, prisons, private research facilities, critical infrastructure sites like airports and power plants, data centers, VIPs and more. Drones are the world’s new asymmetric threat to public safety and national security. Dedrone’s dual-use technology was recognized by two major awards this year. The CNBC Disruptor 50 and TIME’s Best Inventions 2023 lists both feature Dedrone as an innovative company disrupting the industry with its breakthrough capabilities and industry-leading customer list. Dedrone is implemented across 31 countries and is used by five of the G-7 nation governments; 190 critical infrastructure sites; 40 airports; 60+ stadiums; 15+ US federal entities and 20+ non-US governments. We actively provide counterdrone solutions for some of the most high-profile events around the world, working closely with over 120 public safety agencies globally. Our technology is also in use on the front lines in Ukraine, and we are proud to support them in their fight to defend their homeland.


Cloud • Information Technology • Sales • Security • Cybersecurity
32 Offices
10,000 Employees

CrowdStrike has redefined security with the world’s most advanced cloud-native platform that protects and enables the people, processes and technologies that drive modern enterprise. Tested and proven, the world's largest organizations trust CrowdStrike to stop breaches with unparalleled protection against the most sophisticated cyberattacks. The CrowdStrike culture has been built upon our Core Values since the day we began. We are Fanatical About the Customer, Relentlessly Focused on Innovation and believe that our Limitless Passion drives Unlimited Potential for every CrowdStriker. As a purpose-built remote-first company, we believe cultivating a connected culture for every employee, no matter where they are in the world, is a key ingredient in building a high-performing, diverse team. We don’t have a mission statement. We’re on a mission—to stop breaches. Ready to join a mission that matters?


Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
8 Offices
2,000 Employees

West Monroe is a digital services firm that was born in technology but built for business—partnering with companies in transformative industries to deliver quantifiable financial value. We believe that digital is a mindset—not a project, a team, or a destination—and it’s something companies become, not something they do. That’s why we work in diverse, multidisciplinary teams that blend management consulting, digital design, and product engineering to move companies from traditional ways of working to digital operating models—and create experiences that transcend the digital and physical worlds. Connected by the 13 founding values that drive our culture, our 2,000 employees work collaboratively across the firm with the belief that your success is our success.


Cloud • eCommerce • Information Technology • Security • Software • Cybersecurity • Data Privacy
Fully Remote
615 Employees

ID.me simplifies how individuals prove and share their identity online. The ID.me secure digital identity network has over 100 million members with over 70,000 individuals joining daily, as well as partnerships with 31 states, multiple federal agencies, and over 500 name brand retailers. The company provides identity proofing, authentication and group affiliation verification for organizations across sectors. The company's technology meets the highest federal standards and is approved as a NIST 800-63-3 IAL2 / AAL2 conformant credential service provider by the Kantara Initiative. ID.me is the only provider with video chat and in-person verification, increasing access and equity. The team is committed to "No Identity Left Behind" to enable all people to have a secure digital identity. Our Mission is to make the world a more trusted place by delivering the highest level of security with the least amount of friction at the lowest possible cost.


Big Data • Cloud • Information Technology • Security • Software • Database • Cybersecurity
3 Offices
250 Employees

Immuta helps organizations unlock value from their data by providing an integrated platform for sensitive data discovery, security and access control, and activity monitoring. All too often, data and security teams must choose between whether to block progress or leave their data completely exposed. Immuta empowers data teams to safely unlock their data so organizations can get the most value from their cloud investment. Immuta automates the discovery and classification of sensitive data, makes it simple to write and enforce data policies and apply data masking and other privacy enhancing techniques, and continuously monitors data usage for risks such as insider threats. Immuta integrates with the leading cloud data platforms, including Snowflake, Databricks, Starburst, Amazon Redshift, Google BigQuery, and Azure Synapse. With Immuta, customers can speed up data access by 100x, decrease the number of policies required by 93x, and achieve their privacy and compliance goals. Founded in 2015, Immuta is headquartered in Boston, MA, and are globally distributed with additional office locations in Columbus, Ohio and College Park, Maryland.


Professional Services • Security • Consulting • Cybersecurity
Fully Remote
90 Employees

Nisos is The Managed Intelligence Company™. Our services enable security, intelligence, and trust and safety teams to leverage a world-class intelligence capability tailored to their needs. We fuse robust data collection with a deep understanding of the adversarial mindset delivering smarter defense and more effective response against advanced cyber attacks, disinformation, and abuse of digital platforms.

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Fintech • Information Technology • Security • Financial Services
Lakewood, CO
3000 Employees
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Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
17 Offices
35000 Employees
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Artificial Intelligence • Computer Vision • Security • Software
Waltham, MA
300 Employees
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Cloud • Information Technology • Sales • Security • Software • Cybersecurity
6 Offices
3000 Employees
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Security • Software • Cybersecurity • Automation
Fully Remote
423 Employees
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Cloud • Information Technology • Security • Software
2 Offices
505 Employees
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Cloud • Information Technology • Security • Social Impact • Software
Austin, TX
363 Employees
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Healthtech • Security • Software • Cybersecurity
3 Offices
957 Employees
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Fintech • Mobile • Security • Software • Cybersecurity
4 Offices
320 Employees

Big Data • Cloud • Internet of Things • Security • Software
15 Offices
637 Employees

Segra is one of the largest independent fiber infrastructure bandwidth companies in the Eastern U.S. It owns and operates an advanced fiber infrastructure network of over 30,000 miles that connects more than 10,000 locations and six data centers throughout nine Mid-Atlantic and Southeastern states. Segra provides Ethernet, MPLS, dark fiber, advanced data center services, IP and managed services, voice and cloud solutions, all backed by its industry-leading service and reliability. Customers include carriers, enterprises, governments, and healthcare organizations. In addition, Segra delivers high-speed, fiber-based integrated telecommunications services to residential and business customers in portions of Virginia under the Lumos Networks brand name and in the Piedmont Triad region of North Carolina under the NorthState brand name.


Information Technology • Security • Analytics
Washington, DC
30 Employees

Dcode connects the tech industry and government to drive commercial innovation in the federal market. Learn more here at our website: https://dcode.co


Security
2 Offices
312 Employees

Flashpoint delivers actionable intelligence that empowers organizations of all sizes to take rapid, decisive actions to protect against threats. The company's technology, advanced data collections, and human-powered analysis uniquely enable teams to mitigate threats related to cybersecurity, fraud, insider threats, corporate and physical security, executive protection, and third-party risk. For more information, visit https://www.flashpoint-intel.com/ or follow us on Twitter at @FlashpointIntel.


Artificial Intelligence • Internet of Things • Security • Cybersecurity
24 Offices
293,000 Employees

Siemens is a technology company focused on industry, infrastructure, mobility, and healthcare. Creating technologies for more resource-efficient factories and resilient supply chains to smarter buildings and grids, to cleaner, comfortable transportation and advanced healthcare, the company empowers customers to transform the industries that form the backbone of economies, transforming the everyday for billions of people. In fiscal 2020, which ended on September 30, 2020, the Siemens Group generated revenue of €57.1 billion and net income of €4.2 billion. As of September 30, 2020, the company had around 293,000 employees worldwide.


Artificial Intelligence • Information Technology • Internet of Things • Security • Analytics
Bethesda, MD
2,000 Employees

DMI is a global technology solutions company that specializes in digital strategy, design, transformation and support. Utilizing expertise from six unique DMI Groups, in the areas of AI & Analytics, Commerce, Experience, Managed Services, Transformation, and Government, DMI delivers intelligent digital transformation solutions that meet organizations where they are. Born digital, DMI has been delivering mission-critical, enterprise grade solutions since 2002 for over a hundred Fortune 1000 enterprises and all fifteen U.S. Federal Departments. DMI has grown to 2,000+ employees globally and has been continually recognized by top industry analysts as market leader as well as a Top Place to Work by the Washington Post.


Cloud • Information Technology • Security • Consulting
Fairfax, VA
80 Employees

Metronome's purpose is to be a SPARK that ignites passion for our customers and each other. Metronome is a Woman-Owned Small Business serving the Federal Government by providing passion-driven service in the areas of Cybersecurity, Cloud Development, Application Migration, Infrastructure and IT Management, Mission Support Services, and Rapid Recruiting. We open the door for engagement with our Government customers, forge strong team relationships, and work together to passionately execute mission needs. Driven by our purpose and core values, Metronome is a company that grants a sense of empowerment to each employee, promotes the welfare of a workforce with the passion, confidence, and experience to make important decisions.


Security
2 Offices
132 Employees

For nearly 15 years, ArdentMC has served this country by delivering award-winning security and defense technology solutions. Our clients'​ missions range from medical evacuation in overseas theaters to border protection to port security. They trust ArdentMC to guarantee quality, reliability and responsiveness. The ArdentMC Team is the underpinning of our success. Our IT professionals specialize in large-scale situational awareness, geographic visualization, cloud, and information sharing technologies. ArdentMC inspires its employees to love their jobs. We can help you grow your career by connecting you with our top-notch professionals on challenging projects. We actively mentor and equip our employees to be thought leaders in their fields, and we offer competitive salaries and benefits, including financial rewards for excellence. If you like a fast-paced environment where insights are valued and innovations encouraged, then we want to meet you. Please visit our Career Portal [url: http://www.ardentmc.com/careers] to discover opportunities at ArdentMC.


Cloud • Security • Cybersecurity
Greenbelt, MD
185 Employees

T-Rex is a proven mid-tier firm blazing new paths in federal government IT modernization and transformation. T-Rex has been recognized as a “fastest growing company” on the Inc. 5000 list. We leverage deep technical expertise in Systems Integration and Development, Cloud Adoption and Infrastructure Optimization, Cybersecurity, Data Engineering and Analytics, and Mission Critical Services for our public sector clients. T-Rex has designed, built, integrated, and operated some of the world’s largest mission critical systems for our government clients who need to leverage the power of data. We have invaluable experience implementing complex IT modernization projects with critical cyber data protection requirements, aggressive schedules, and complex size and scale. We foster innovation, while mitigating risk, saving time and money, and improving benefit-to-cost ratios. T-Rex is always seeking experts to join our growing team of professionals. We have built a broad client base through our dedication to delivering quality products, providing excellent customer service, and attracting top-notch talent. We are committed to maintaining a culture that supports the development of every employee's personal and professional lives. Discover opportunities that can hone your skills and challenge you to solve complex client problems in new and innovative ways: • Systems Integration and Development – ensuring full continuity of operations and processes, while managing the data and systems migration. • Cloud Adoption and Infrastructure Optimization – Paving the way for our government’s transformation with powerful technology solutions. • Cybersecurity – Keeping ahead of the bad actors on the largest, most challenging government projects. • Data Engineering and Analytics – Helping clients leverage the benefits of big data to achieve mission critical objectives. • Mission Critical Services – Providing both strategic and operational support for mission critical, large-scale IT initiat


Digital Media • Events • Security
Washington, DC
4,999 Employees

What we do might surprise you! AARP is a nonprofit, nonpartisan, social mission organization with a membership of nearly 38 million. Our aim is to disrupt outdated stereotypes about aging, turn goals and dreams into real possibilities, and fight for the issues that matter most to people 50-plus, their families and communities. Our social impact work in health security, financial resilience, and personal fulfillment is at the heart of what we do. With offices in every state plus the District of Columbia, Puerto Rico, and the U.S. Virgin Islands, we live and work in the communities we serve. We listen to what people need and want, and offer programs, services and trusted information that are directly relevant to them. State offices also work with our national office to amplify our members’ voices at the local and federal levels to help empower people 50 and above to choose how they live and work as they age. From being a force for positive change to producing the nation’s largest-circulation magazine – the full scope of what we do might surprise you! That’s why people who are excited by unique opportunities and galvanized by meaningful challenges come to work at AARP.


Big Data • Information Technology • Security • Cybersecurity
4 Offices
381 Employees

SageNet designs, implements and manages fast, secure and reliable networks that empower organizations to achieve their core business objectives. Formed by the merger of SageNet, founded in 1998, and Spacenet, founded in 1981, today's SageNet offers a uniquely broad and deep understanding of local and wide area networks, backed by a proven track record of deploying customer-focused technology solutions. SageNet manages communications at more than 160,000 locations for many of the nation's leading retail, healthcare, financial and energy companies, as well as public utilities, state lotteries and government agencies.