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Top Security Companies in Baltimore, MD (43)

Expedient
Cloud • Information Technology • Security • Cybersecurity
14 Offices
370 Employees
26 Benefits Hiring Now

Expedient is a network of data centers offering cloud computing, a wide range of managed services, and network connectivity.

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Expedient
Venable Blue
Professional Services • Security • Consulting • Data Privacy
13 Offices
1,500 Employees
Hiring Now

Venable Blue helps organizations and individuals manage and mitigate risk in the online space, addressing issues like data access, cyber harassment, child safety, and regulatory investigations by building and operationalizing integrated programs and systems.

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Venable Blue
Alertus Technologies
Hardware • Security • Software
Baltimore
104 Employees
Hiring Now

Alertus - Redefining Mass Notification for 20+ Years Our Mission is to enable organizations to disseminate information to help protect lives, secure assets, and maintain business continuity. OUR MISSION IS PERSONAL. We are committed to providing customizable, scalable, and cost-effective mass notification solutions because we know even a few seconds of warning can help save lives during an emergency. In 2001, an F3 tornado...

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Alertus Technologies
Tenable
Security • Software
10 Offices
1,847 Employees
37 Benefits Hiring Now

Tenable®, Inc. is the Cyber Exposure company. Over 30,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. As the creator of Nessus®, Tenable extended its expertise in vulnerabilities to deliver the world’s first platform to see and secure any digital asset on any computing platform. Tenable customers include more than 50 percent of the Fortune...

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Tenable

Tenable's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst evaluations consistently recognize the company as a Leader across exposure and vulnerability management, with multi‑year top market‑share placement in its core category. Customer accolades and a broad, unified platform further reinforce competitive positioning.

Resilient & Sustainable Growth: Revenue continues to expand alongside a high recurring mix and rising remaining performance obligations, with recent results tracking ahead of outlook. Full‑year guidance indicates ongoing expansion in 2026, pointing to durable growth even as the pace moderates.

Profitability: Margins and earnings on a non‑GAAP basis improved year over year, and unlevered free cash flow reached new highs. Management also guides to further profit and cash flow gains, indicating strengthening operating leverage.

Northrop Grumman
Aerospace • Logistics • Security • Software • Cybersecurity
33 Offices
85,636 Employees
42 Benefits Hiring Now

We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation...

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Northrop Grumman

Northrop Grumman's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests sales are rising at a mid- to high-single-digit pace, with growth evident across multiple business sectors and supported by raised sales guidance. Recent quarters indicate broad-based momentum in Aeronautics, Mission Systems, Space, and Defense Systems.

Profitability: Feedback suggests the company beat profit expectations and increased its full-year profit outlook. Higher sector operating margins and guidance upgrades indicate improving earnings performance.

Resilient & Sustainable Growth: Feedback suggests a record order backlog exceeding $100 billion provides multi-year revenue visibility. Management commentary points to continued growth through 2027–2028 supported by defense modernization and international demand.

OBXtek
Information Technology • Professional Services • Security
4 Offices
378 Employees
15 Benefits Hiring Now

We maintain prime contracts with the U.S. Air Force, U.S. Army, U.S. Marine Corps, U.S. Navy, Department of Homeland Security, Department of State, Social Security Administration, Veterans Affairs, Defense Information Systems Agency, Department of Agriculture, General Services Administration, Peace Corps, National Guard Bureau, and Department of Labor.

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OBXtek
Parsons Corporation
Information Technology • Security • Cybersecurity
33 Offices
14,420 Employees
31 Benefits Hiring Now

Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as...

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Parsons Corporation

Parsons Corporation's Top Stability & Growth Strengths

Strong Market Position & Advantage: Parsons is positioned as a leader in key niches, supported by independent rankings such as ENR’s No. 1 global program management placement and strong standings in design/engineering and defense-revenue lists. Contract momentum with multiple large single-award wins and a sizable pipeline further reinforces competitive strength in its priority lanes.

Profitability: Profitability appears to be improving even amid revenue variability, with record adjusted EBITDA margin and record net income cited for 2025. This indicates stronger mix, pricing, and execution discipline that supports resilience through topline fluctuations.

Resilient & Sustainable Growth: Visibility into forward work is supported by a large backlog and a record funded-backlog level, which improves near-term conversion potential. Management guidance pointing to a return to revenue growth and continued EBITDA expansion adds to the view that the core portfolio is stabilizing after a one-program step-down.

General Dynamics Mission Systems
Aerospace • Security • Software
35 Offices
8,438 Employees
35 Benefits Hiring Now

At General Dynamics Mission Systems, a business unit of General Dynamics, we develop mission critical C4ISR solutions across the land, sea, air, space and cyber domains, but that doesn’t tell our whole story. When downed pilots are isolated in enemy territory, our equipment gives them a lifeline to call home. When a student opens a textbook to learn about the universe,...

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General Dynamics Mission Systems

General Dynamics Mission Systems's Top Stability & Growth Strengths

Resilient & Sustainable Growth: Technologies revenue and operating earnings increased year over year in 2025, extending a multi-year pattern of modest gains. Orders exceeded revenue with a multi-year run of book-to-bill above 1×, pointing to continued forward demand rather than a one-off bump.

Strong Market Position & Advantage: General Dynamics is consistently positioned among the top global defense contractors, providing durable scale and relevance for the mission-systems portfolio. Within specific niches like Type-1/HAIPE encryption and Navy shipboard radios, long-running program pull and large deployed volumes support a leadership footing.

Future-Ready Strategy: GDMS holds prime or key roles on major space-ground and protected satcom programs (e.g., MUOS ground infrastructure and SDA ground management/integration), which align with long-duration modernization priorities. Recent marquee awards in space and communications extend the runway for future work and reinforce positioning in emerging architectures.

TrackOFF
Security • Software
Baltimore
6 Employees
Hiring Now

TrackOFF is a cybersecurity and privacy company that develops software to protect users' identities and personal data.

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TrackOFF
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Securitas Security Services USA, Inc.
Professional Services • Security • Consulting
211 Offices
95,000 Employees
Hiring Now

Securitas Security Services USA, Inc. is a leading provider of customized security and guarding solutions. The company offers a comprehensive range of protective services, including on-site guarding, mobile patrols, remote monitoring, and electronic security. They also provide specialized services in fire and safety, corporate risk management through Pinkerton, and professional consulting and investigations to help safeguard people, property, and information.

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Securitas Security Services USA, Inc.
Next Phase Solutions and Services, Inc.
Healthtech • Information Technology • Security • Software • Analytics
2 Offices
100 Employees
35 Benefits Hiring Now

Next Phase Solutions and Services (Next Phase) is rethinking problem solving. We are a consulting and technology services firm providing insight and solutions for Health IT, Science Mission Support and Engineering. Our technical solutions and expertise in healthcare informatics/statistical analysis improve the understanding of the nation's challenges surrounding health care costs, quality and patient safety. Our software systems improve insight into...

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Next Phase Solutions and Services, Inc.
Klik.Solutions
Cloud • Information Technology • Professional Services • Security • Consulting
Baltimore
47 Employees
5 Benefits Hiring Now

Klik Solutions was founded by Arthur Olshansky and Neil Konstantoulas in May of 2012. At that time, we were known as Federal Hill Solutions (leveraging the name of a great neighborhood in South Baltimore). Back then, our focus was just selling data backup and data protection services while sitting in cafés around Baltimore. As the demand for IT grew, so...

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Klik.Solutions
Vivint
Hardware • Internet of Things • Other • Security
26 Offices
10,001 Employees
30 Benefits Hiring Now

Vivint Smart Home is a leading smart home company in North America. Vivint delivers an integrated smart home system with in-home consultation, professional installation and support delivered by its Smart Home Pros, as well as 24/7 customer care and monitoring. Dedicated to redefining the home experience with intelligent products and services, Vivint serves more than 1.7 million customers throughout the...

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Vivint

Vivint's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is rising year over year, with recent quarters showing higher top-line performance and multi-billion-dollar scale under NRG’s reporting. Momentum appears supported by continued customer additions and growth in smart-home and energy-related services.

Profitability: Adjusted EBITDA has increased alongside revenue, indicating improving operating performance. Recurring revenue per customer has trended higher after the offering expanded to include more home-automation services.

Strong Market Position & Advantage: The company is a recognized leader in professionally installed, integrated smart-home security, with scale above two million U.S. customers and industry awards. A differentiated end-to-end model—design, installation, monitoring, and automation—supports its competitive standing against DIY-oriented alternatives.

VF Corporation
Fashion • Retail • Wearables
10 Offices
29,866 Employees
29 Benefits Hiring Now

VF Corporation is one of the world’s largest apparel, footwear and accessories companies connecting people to the lifestyles, activities and experiences they cherish most through a family of iconic outdoor, active and workwear brands including Vans®, The North Face®, Timberland® and Dickies®. Our purpose is to power movements of sustainable and active lifestyles for the betterment of people and our...

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VF Corporation
ZeroFOX
Security • Social Media • Software • Cybersecurity
4 Offices
425 Employees
28 Benefits Hiring Now

ZeroFOX, The Social Media Security Company, enables organizations to identify, manage and mitigate social media based cyber threats

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ZeroFOX
The Tustin Group
Professional Services • Security • Energy • Industrial
8 Offices
147 Employees

The Tustin Group is a single-source integrated building services company offering mechanical, energy, water, fire protection, and security solutions. They aim to maximize facility performance, improve energy efficiency, reduce operating costs, and enhance occupant safety and comfort.

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The Tustin Group
Securitas Canada
210 Offices
8,000 Employees

Securitas Canada is a national security provider offering an extensive portfolio of services to meet complex security needs. Its managed services include on-site security, mobile patrols, video surveillance and alarm systems, supported by licensed guards and flexible response teams. It also provides corporate risk management, using data-driven assessment and forecasting to help organizations identify, reduce and prepare for potential business...

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Securitas Canada
Allied Universal
Professional Services • Security
232 Offices
82,667 Employees
40 Benefits

Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions that allow clients to focus on their core business. Our excellence starts with our local leadership and local presence. In fact, in North America alone, we have an extensive network of offices to support our local communities and...

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Allied Universal
Admiral Security Services
14 Offices
1,253 Employees
10 Benefits

Admiral Security Services provides professional armed and unarmed uniformed security officers, unparalleled site management and unwavering corporate support that exceeds client expectations. Admiral is uniquely positioned as the pre-eminent provider of security officers and related services. Eleven core elements differentiate us from the rest of the industry. Several of those key elements serving as a pillar in building long-term partnerships...

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Admiral Security Services
clean.io
Security • Software
Baltimore
30 Employees

Clean.io is a digital engagement security platform that helps businesses control the third party code that executes on their websites.

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clean.io

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