Best Security & Surveillance Technology Companies in Maryland, United States
The 49 best Security & Surveillance Technology companies in Maryland, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ASG Security.
Our analysis of 50 Security & Surveillance Technology companies
$4.8b in tracked funding; 91% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Security & Surveillance Technology companies in Maryland
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ASG Security Developer of home security & automation solutions | $190M | 211 mo ago | Acqui-Hired | Joe Nuccio President & CEO | 2002 | — | — | — |
| 2 | SafeNet Cybersecurity solutions provider protecting applications, data, identities, and software | $139M | 195 mo ago | Acquired | — | 1983 | — | 145 patents Secure digital document handling, multi-user authentication, and data container protection. | — |
| 3 | Brivo Developer of AI and cloud-based integrated access control systems | $92M | 38 mo ago | Acquired | — | 1999 | WordPressSentryAtlassian Statuspage+43 | — | 1 award |
| 4 | KEYW Corp Provider of the border and coastal security systems | $61M | 99 mo ago | Acquired | — | 2008 | — | 26 patents Configurable storage hardware, network optimization, virtualization platforms, and modular avionics equipment. | — |
| 5 | Origin Wireless AI Developer of motion sensors | $42M | 33 mo ago | Acquired | Ray Liu Founder | 2019 | WordPress Block EditorWordPressMySQL+28 | 170 patents Radio-frequency sensing for health monitoring, motion classification, and event detection | 4 job openings · 1 award |
| 6 | Clean.io Proactive real-time anti-malvertising Solution | $8M | 72 mo ago | Acquired | Jay Crystal Co-Founder | 2017 | — | 13 patents Patents concentrated in computing, sensing & instrumentation | — |
| 7 | Everywhere Communications Provider of asset tracking solutions | $6M | 45 mo ago | Series A | Patrick Shay Founder & CEO | Connecting & Protecting people and assets globally | 2018 | PageFlyCart FunctionalityShopify+23 | — | 1 launch |
| 8 | EverSafe Cloud based platform for guarding old people against financial exploitation | $3M | 108 mo ago | Seed | Howard Tischler Co-Founder & CEO | 2012 | WordPressMySQLPHP+30 | — | — |
| 9 | Brimrose Technology Manufacturer of CBRNE threat detection and monitoring systems | $3M | 18 mo ago | Funding Raised | Ronald Rosemei Founder | 2007 | — | 2 patents Automated image-based spatial monitoring and object detection for unattended sensing systems. | — |
| 10 | TRX Systems Developer of assured positioning, navigation, and timing systems for military | $3M | 112 mo ago | Acquired | Carole Teolis Cofounder/CTO | 2004 | Cart FunctionalityWeeblyMySQL+20 | — | — |
| 11 | Armaments Research Company Provider of AI and cloud-based gunshot detection and analysis systems | $2M | 83 mo ago | Funding Raised | William Deng Co-Founder & CTO | 2013 | WixSentryApple iCloud Mail+13 | — | 1 partnership |
| 12 | InvisiTrack Positioning systems utilizing LTE network to locate phones and devices in the network | $1M | 130 mo ago | Series A | Russ Markhovsky Founder & CEO | 2003 | — | 47 patents RF-based multipath mitigation for high-precision ranging and tracking systems | — |
| 13 | USI Manufacturer of fire & smoke alarm | $1M | 11 mo ago | Public | — | 1969 | Cart FunctionalityShopifycore-js+9 | — | — |
| 14 | PathSensors Developer of pathogen detecting tools | $724K | 139 mo ago | Acquired | Richard Ingram CEO | 2010 | — | — | — |
| 15 | SafeAwake Alarm system for emergency notification | $525K | 206 mo ago | Seed | Tim Shaffer CEO & President | 2005 | — | 11 patents Personal wake‑up devices and fire‑alarm detection/notification systems | — |
Top 12 Security & Surveillance Technology companies in Maryland
#1
Public · Owings Mills, Maryland · founded 1969 · 11 employees$1.1Mraised▾
Universal Security Instruments is a manufacturer of alarm systems. The products offered by the company are smoke & fire alarms, carbon monoxide alarm, combo smoke, and CO & gas alarm. It also offers alarm accessories, home safety, and security products.
- Aug 2025Post IPO$1M
- Mar 2014Post IPO$81.2K
#2
Funding Raised · Baltimore, Maryland · founded 2007$3.2Mraised▾
Manufacturer of CBRNE threat detection and monitoring systems. Its product portfolio includes chemical detectors, laser-induced breakdown spectroscopic instruments, hyperspectral imaging systems for the detection of bacteria, radiation detectors, and electro-optic detectors using quantum dots. These systems can detect explosives, drugs, chemical and biological hoax materials, oil spills, skin cancer, burn infections, and urban threats.
- Feb 2025Grant (prize money)$300K
- Sep 2022Grant (prize money)$300K
- Sep 2022Grant (prize money)$344.5K
- Feb 2022Grant (prize money)$199.9K
#3
Acquired · Greenbelt, Maryland · founded 2019 · 38 employees$42.5Mraised▾
Origin Wireless is a developer of motion sensors. It uses Wi-Fi networks that detect activity inside the home without using cameras. The company claims a 99.9% detection rate and accuracy without disruptive false triggers. It also offers health care and tracking devices.
- Oct 2023Series B$15.9M
- Feb 2021Series B$14M
- Nov 2020Series B$2M
- Mar 2020Series B—
#4
Acquired · Bethesda, Maryland · founded 1999 · 265 employees$92Mraised▾
Developer of AI and cloud-based integrated access control systems. It provides users with a platform that offers centralized security management that delivers combined access and video management on a single cloud platform. Its features include real-time monitoring, visitor management, smart locks, remote operations, and video encryption.
- May 2023Series C$92M
- Nov 2022Venture Debt$75M
- May 2015PE—
- Jul 2013PE—
#5
Seed · Towson, Maryland · founded 2022$85Kraised▾
Open-access website for researchers to publish, review, and comment on scientific research. It allows researchers to create interactive video presentations. It increases recognition in the science sector through short video-casts.
- Mar 2025Grant (prize money)$100K
- Nov 2024Grant (prize money)$100K
- Oct 2023Seed$85K
#6
Acqui-Hired · Beltsville, Maryland · founded 2002 · 975 employees$190Mraised▾
ASG Security is developer of home intrusion detection, security and automation solutions provider. Company has also developed ASG Evolve a cellular communicator that supports users existing alarm monitoring service enabling users to remotely arm and disarm systems and receive text notifications. Additionally company also connects and brings online home devices like thermostats, lighting, door locks to enable automation. Company also provides solutions for small businesses. ASG Security was acquired by Apollo Global Management in July 2015.
- Dec 2008Conventional Debt$190M
#7
Acquired · Hanover, Maryland · founded 2008 · 1261 employees$60.5Mraised▾
Provider of the border and coastal security systems. Its solution combines cybersecurity, geospatial, and intelligence capabilities, solutions, and products on a single platform. Its main products include radars, risk mitigation tools, diplexers, and turnstile antennas. It offers new sensor technologies and data processing capabilities for applications like signals intelligence, high resolution electro-optical, long-wave infrared, multi-band synthetic aperture radar, and others.
- May 2018Conventional Debt$340M
- Mar 2010Series B$8M
- Aug 2009Series B$643K
- Jun 2009Series B$8.6M
#8
Acquired · Belcamp, Maryland · founded 1983 · 488 employees$138.9Mraised▾
Cybersecurity solutions provider protecting applications, data, identities, and software. They offer comprehensive data security through encryption, tokenization, and key management. Their application security solutions include web application firewalls and API protection. They provide identity and access management capabilities like multi-factor authentication and single sign-on. They also offer software monetization solutions, including license and entitlement management. They help organizations secure cloud environments, achieve compliance, and protect against threats like ransomware and advanced persistent threats. They cater to various industries, including financial services, healthcare, and government, offering solutions for AI security, IoT security, and payment & transactions. They provide resources like white papers, reports, and blogs, along with customer support and training services. They focus on digital transformation, zero trust security, and post-quantum readiness.
- Apr 2010PE$138.9M
#9
Series A · Annapolis, Maryland · founded 2018 · 32 employees$6.1Mraised▾
Everywhere is a provider of asset tracking solutions. Its chief offering comprises of assets trackers, namely EC-100 and AC-200. EC-100, that are handheld devices leveraging Iridium satellite for tracking and monitoring remote assets. In addition, the company offers a hub that provides real-time situational awareness and asset tracking by displaying position, status, and message information and enables data communication with assets in the field. The target customers include national and local government agencies, international governments and NGOs, disaster relief and recovery agencies, law enforcement and private security, scientific exploration and research, forestry, oil/gas, mining, and other organizations with remote operations. The products are available in the Google Play Store and the Apple App Store.
- Nov 2022Series A$6.5M
- Sep 2019Series A$6.1M
- Nov 2018Angel—
#10
Acquired · Baltimore, Maryland · founded 2017 · 28 employees$7.5Mraised▾
Clean.io offers a proactive real-time anti-malvertising solution for protecting publishers and platforms. It prevents malicious advertising in real-time on real-time traffic. Its features include page-level protection, customizable dashboards, source tracking, cross-screen protection, revenue impact, monetization KPIs, and out-of-the-box reporting.
- Aug 2020Series A$5M
- May 2019Seed$2.5M
#11
Acquired · Greenbelt, Maryland · founded 2004 · 20 employees$2.9Mraised▾
Developer of assured positioning, navigation, and timing systems for military. It delivers continuous and reliable information, even when GPS is denied. The system integrates multiple PNT sources, including M-Code GPS, inertial sensors, and complementary sources. It cross-checks data, eliminates compromised sources, and alerts to potential threats. The system supports integration with existing equipment and standalone operation.
- Apr 2017Series A$400K
- Apr 2016Series A—
- May 2015Series A$500K
- Apr 2014Grant (prize money)$1.4M
#12
Seed · Columbia, Maryland · founded 2012 · 20 employees$3.4Mraised▾
Cloud based platform for guarding old people against financial exploitation. The software reviews financial transactions and credit report activity on a daily basis. Alerts are sent in the event of suspicious activity, such as unexpected patterns in spending, deposits, or withdrawals. EverSafe provides support to help you create your recovery plan. EverSafe provides you with the convenience of consolidated reporting.
- Jul 2017Conventional Debt$250K
- Jun 2017Seed$250K
- Jan 2016Conventional Debt$1.7M
- Jun 2014Conventional Debt$1.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Security & Surveillance Technology coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Maryland researches in cybersecurity
- University of Maryland, College Park21
- University of Maryland, Baltimore County7
- University of Maryland, Baltimore5
- University of Maryland Eastern Shore1
- College of Southern Maryland1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.