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Top Tech Companies in Washington, DC (3,168)

Sublime Black
Artificial Intelligence • Security • Software
Washington
3 Employees

Sublime Black is an automating cybersecurity platform that develops artificial intelligence-based security technology.

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Sublime Black
National Science Teachers Association
Edtech • Events • Professional Services • Social Impact
Arlington
260 Employees

The National Science Teachers Association (NSTA) is a nonprofit membership organization dedicated to promoting excellence and innovation in K–12 and informal science teaching. NSTA provides professional learning, classroom resources, conferences, competitions, and advocacy to support educators, increase science literacy, and advance equitable STEM education nationwide.

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National Science Teachers Association
The Arc San Francisco
Professional Services • Social Impact
13 Offices
111 Employees
22 Benefits

The Arc San Francisco partners with adults with intellectual and developmental disabilities to expand access, opportunity, and belonging, advocating for inclusion and providing services.

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The Arc San Francisco
Union of Concerned Scientists
Professional Services • Social Impact • Energy • Renewable Energy
3 Offices
250 Employees
19 Benefits

The Union of Concerned Scientists is an independent national nonprofit that uses science to protect our health, safety, and environment by advocating for practical solutions to global problems.

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Union of Concerned Scientists
ISDM Solutions
Cloud • Information Technology
5 Offices
53 Employees

ISDM Solutions is a systems integration, management and cloud video service provider, specialising in the delivery of AV and VC projects. We have the benefit of over 20 years in project management at Prince2 practitioner standards, where we are able to apply best practices in our delivery methodology. Our team are technically knowledgeable and has vast experience in ensuring our...

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ISDM Solutions
Broadcast Marketing Group
3 Offices

Broadcast Marketing Group is a marketing specialists for Radio & TV offering planning, research, negotiations, promotions, etc.

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Broadcast Marketing Group
Breck Inc.
Consulting
Arlington
43 Employees

Breck Inc. is a women-owned small business (WOSB) based in the Northern Virginia/Washington, DC metro area with personnel around the country. We prepare clients for an evolving world through strategy and design. We build solutions through optimized processes, communications, and user experience. We provide communications services to a wide range of federal, corporate, and non-profit clients including NIST, DHS, GSA,...

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Breck Inc.
HUMAN
AdTech • Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity
7 Offices
393 Employees
32 Benefits
We safeguard 1,200+ brands from digital attacks including bots, fraud and account abuse with Modern Defense.

We stop bot attacks. Today’s sophisticated bots impersonate human behavior to evade detection technologies. To defeat today's bots, we use a unique multilayered approach that enables us to verify the humanity of digital interactions with unmatched speed and accuracy across Applications, Performance Marketing, and Advertising use cases.

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HUMAN

HUMAN's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst recognition places HUMAN as a Leader in bot management, and recurring category leadership placements indicate a durable competitive position. Large stated deployment scale (e.g., trillions of interactions and hundreds of customers) reinforces perceptions of meaningful footprint and defensibility.

Investor Backing & Capital Strength: Fresh growth funding in late 2024, with participation from multiple named investors, signals access to capital to sustain expansion initiatives. The capital raise is explicitly framed as supporting platform growth and capability expansion.

Product Line Growth: The PerimeterX combination and the clean.io acquisition broadened scope beyond ad fraud into application, API, mobile, and client-side protection, indicating an expanded portfolio. Ongoing platform updates (e.g., agentic/AI-agent controls and new dashboards/logs) suggest continued product surface-area growth aligned to emerging needs.

Chekmate
Social Media • Software
Washington
25 Employees

Chekmate is a dating marketplace designed to facilitate genuine connections by bringing the gap between online and offline interaction.

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Chekmate
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Dupont Creative
AdTech • Marketing Tech
Washington
4 Employees

Dupont Creative is an established Washington, DC web design firm, specializing in website development and online marketing.

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Dupont Creative
TLC Political
Marketing Tech
Arlington
19 Employees

TLC Political is a full-service direct response marketing agency that specializes in custom voter contact, fundraising, and issue advocacy programs for Republican candidates, committees, and causes. Rooted in data, our team of experts works tirelessly to provide highly targeted and creative communications that drive powerful results. In fact, we’ve raised historic amounts of critical revenue and executed award-winning campaign strategies...

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TLC Political
Membership Drive
Washington
5 Employees

Membership Drive offers technology, program design, software, training and strategy to build progressive fundraising & organizing programs.

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Membership Drive
50Floor
Professional Services • Retail
21 Offices
192 Employees

50Floor is a professional flooring company specializing in the installation of high-quality materials, including carpet, hardwood, laminate, and luxury vinyl. Founded in 2007 and based in the US, the company provides a convenient in-home shopping experience and expert installation services. They are dedicated to making it easy and cost-effective for homeowners to find affordable, quality flooring that comes with excellent...

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50Floor
Rad Campaign
Washington
8 Employees

Rad Campaign is deeply committed to organizations that want to change the world and socially responsible businesses.

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Rad Campaign
EarthSpark International
Washington
6 Employees

Eradicating energy poverty in Haiti.

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EarthSpark International
Educando
Edtech
Washington

Educando deals with the transformation of education systems and trains educators from schools.

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Educando
Frontier Communications
Washington
12,185 Employees

Frontier is the largest pure-play fiber provider in the United States. Driven by our purpose, Building Gigabit America®, we deliver blazing-fast broadband connectivity that unlocks the potential of millions of consumers and businesses. Visit www.frontier.com.

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Frontier Communications
Digital Promise
2 Offices
144 Employees

Digital Promise is an independent, bipartisan 501(c)(3) nonprofit organization authorized by Congress to spur innovation in education. Through its work with educators, technologists, researchers, and leading thinkers, Digital Promise supports comprehensive research and development to improve all levels of education and provide Americans with the knowledge and skills needed to compete in the global economy.

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Digital Promise
PPD
Biotech • Consulting • Pharmaceutical
27 Offices
27,956 Employees
30 Benefits

PPD is now part of Thermo Fisher Scientific, the world leader in serving science. Together, Thermo Fisher and PPD are creating a unique opportunity to advance their shared pursuit to enable customers to make the world healthier by accelerating the development of new medicines. We now offer a comprehensive suite of world-class services across the clinical development spectrum – from...

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PPD
The Daily Caller
Digital Media
Washington
150 Employees

The Daily Caller is a 24-hour news publication site providing reporting on politics, world, sports, business, breaking news and more.

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The Daily Caller

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