M.C. Dean, Inc. has been a leader in security systems installation and maintenance specialized in intruder detection system, access control system, CCTV, and Sound and Audio/Visual Systems. The company provides design and technical services to commercial, industrial and governmental clients. Based in Virginia, M.C. Dean is the nation’s premier electrical design-build and systems integration firm for complex, mission-critical organizations.

M3T provides physical and logical security, IP-based video surveillance, remote monitoring, access control, automatic gates, intrusion detection, badge systems, intercom systems, key storage, locksmith services, electric locking hardware, power doors, video management and networking solutions for government and commercial organizations in Pennsylvania, Maryland, Delaware, the DC Metro Area, and Northern Virginia.

Magnasphere is a company that is focused on providing superior performing magnetic contact sensor technology to the residential, commercial, industrial and federal government security markets.

Manifest Concepts is not just a graphic design company. It specialises in Home Theater, CCTV, Custom computer builds cabling and much more. Anything in the communications and advertising industry we pretty much do.

When Federal managers and military leaders face tough challenges in cyber, data collection & analytics, enterprise IT, or systems and software engineering, they turn to ManTech as their preferred partner.

Mappedin is a global pioneer in indoor mapping and spatial data management. Their solutions power billions of square feet of indoor space and guide millions of people visiting malls, stadiums, airports, offices, healthcare facilities, warehouses, universities, and more.

Marco is a technology services company that specializes in hosted/cloud services, managed services, business IT services, audio/video systems, network security, intrusion detection, physical security, access control systems and much more.

Marcomm Systems Group Inc. (MSGI) was established in 1991. Since that time, the company's primary focus has encompassed the areas of design, supply and installation, testing and commissioning of electronics based security and control systems. The contracts from public works and correctional service Canada have assisted Marcomm Systems Group in becoming industry leaders and innovators in the ever changing field of security electronics.

Headquartered in Green Bay, WI, Martin Systems services and installs integrated security, fire protection, remote protection, surveillance cameras, intrusion detection, alarm monitoring, fire protection, key response products and home automation solutions for commercial, residential, homes and complex mission-critical organisations etc.

Maximum Security, Inc. provides protection of commercial and residential properties to prevent trespassing, theft and vandalism.

MAYPORT Tech is a Honduras-based technology consulting, integration and engineering services company located in San Pedro Sula, Cortés. The company provides solutions across electronics, industrial maintenance, maritime equipment, electronic security, structured cabling, automation, connectivity and energy.

Low Voltage specialists of the following: access control systems, alarm systems, camera systems (IP or analog)data network systems, healthcare systems, intercom systems, phone systems.

McRoberts Security Technologies is one of the largest patient protection system integrators in the United States. It has been providing end-to-end patient/facility protection solutions since 1992. McRoberts Security Technologies supplies customised integrated solutions, including Active RFID tagging systems for tracking patients, and assets, CCTV surveillance, and access control systems.

Mentalix is a premier provider that develops FBI-certified biometric solutions for end users and system integrators. The company operates in various sectors – Commercial, civilian, government, law enforcement, airports and financial. Mentalix’s IAFIS-compliant fingerprint solutions are vital for law enforcement operations on a local and national level.

Meta's mission is to build the future of human connection and the technology that makes it possible. Technologies help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build.

Metro Security Dept. offers security officers, guarding anything you need commercial, industrial and home security. K-9 dogs, mobile patrol, car patrol and traffic duty. Special events, 24 hrs service.

MFS Systems offers advanced Integrated Security Solutions to help you better manage your businesses, Fire, and Security needs. Their highly skilled technicians, engineers and design team offer a wide array of intelligent systems that integrate your Enterprise Fire and Security System into a cohesive managed system.

Michigan security systems is trained and certified to install, troubleshoot, maintain, or repair your system. They offer security cameras, card access systems and alarms, phone and intercom systems, PA systems, loudspeakers, and network setups. At Michigan security systems, their alarm systems offer additional protection against thieves.

Micro Networks specializes in voice, data, and video network cabling service, including copper, fiber and wireless technologies. Their experienced engineers and certified technicians have designed, deployed and supported a broad range of network systems

Micro Networks offers a variety of services, such as voice, data and video cabling as well as access control and video surveillance. The company is also a professionally licensed electronic security systems company, with years of experience in design and installation of surveillance camera systems throughout DC, Virginia, Maryland and Mid-Atlantic region. It also serves commercial, retail, office, government and residential clients.

Microbiz Security Co. is a full-service provider of integrated access control and video surveillance solutions based in San Francisco.

Microchip Technology Inc. is a global provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for customer applications. The company serves thousands of customers, designing high-volume embedded control applications in the consumer, automotive, office-automation, communications and industrial-control markets worldwide.

Midco Systems, Inc. is the USA based security system integrator. The company offers integrated access control and monitoring, CCTV, digital & network video recording, perimeter protection, emergency response stations and video intercom stations etc.

Midpoint Security develops CredoID, an open access control platform for Mercury, HID, Azure Access and Suprema controllers. CredoID stands out with its clean WebUI, ease-of-use, end-to-end encryption, open REST API and high reliability. Integrations with HID Origo and STid mobile credentials, AXIS LPR, Aperio wireless locks, TANlock data center locks, combined with buy-once license model, bring excellent value to integrators and end users.

mimoIT is a boutique technology solutions provider specializing in enterprise-grade IT, cybersecurity, and physical electronic security services tailored for small to mid-sized businesses. With a focus on high-touch, white-glove support, mimoIT delivers end-to-end solutions including managed IT services, secure network design, cloud infrastructure, video surveillance, access control, and intrusion detection systems.