Founded in 2002, Zhongshan Lan Castle Technology Co, Ltd. is a high tech company specializing in research & development, production and sales of security products. For years, Lan Castle Technology has independently researched and developed a series of security products, such as digital video recorders, CCD cameras, network cameras, high speed domes, and digital video servers.

LEA Networks is an international supplier of Power over Ethernet (PoE) and HomePlug Ethernet over powerline (PLC) technologies. It provides unique time and cost-saving solutions developed to support the security and wireless access point industries in North America. LEA Networks is dedicated to providing products and services of the highest quality that conform to the requirements of its customers.

LEA is a startup with a deep pedigree including hundreds of years of collective professional amplifier and electronics design experience. LEA will introduce a series of new amplifiers in the coming months that exemplify the commitment to power, performance, advanced connectivity, and bold compelling design. The series includes professional-grade amplifiers for both small to medium-scale installations, as well as large venues.

Leaderflush & Shapland offers range of flush engineered doors and doorsets. Performance characteristics include fire resistance, acoustic, radiation shielding, high security and bomb blast making the range the most comprehensive in the marketplace. The brand has great flexibility providing bespoke solutions for any application from major PFI projects to small commercial developments.

Based in Taiwan, Leadtek Research Inc. offers an integrated video surveillance solution for residences, buildings and public areas. The company's video surveillance solution is first in the industry to support SIP communication protocol. Leadtek's product range covers the IP surveillance systems , zero client and thin client for desktop virtualisation, graphic cards for both computer games and workstations, and multimedia phones.

Leaf is a cloud-first Microsoft partner committed to delivering technology solutions that solve business challenges. Their vision is to empower businesses to do more. At Leaf, they are committed to delivering the most innovative and cost-effective technology solutions that solve customer pain points and make it easier to do business.

Leap Motion is a virtual reality engineering company, which develops solutions designed for untethered VR/AR headsets. The company’s unprecedented hand tracking technology is a combined suite of software and hardware, allowing users to reach into virtual and augmented reality to interact with new worlds.

LearnPro Group is the global pioneer in virtual reality and e-learning solutions for the health, fire, police and other emergency services. The combined software suite made up of learnPro, pdrPro and XVR provides a platform for learning management, authoring, competency reporting and training, including an immersive virtual reality simulation training platform.

Lecom d.o.o. is a small company from Slovenia. They manufacture cylinder locks and can provide you with everything you need to upgrade your basic security protection eg. Alarms(paradox), enhanced cylinder locks, biometric security.

LEEDARSON LIGHTING established in 2001, deals with luminaire products for residential and commercial clients. They provide smart applications and task-specific lighting solutions. Primed to play a major role in IoT industry, they excel in smart connected lighting gateways, sensors, controllers and other accessories.

Leeds Electronic Engineering Ltd is specialised in the design and manufacturing of electronic security systems and devices. The product range includes wired and wireless RF electronic alarm systems and accessories, electronic buzzers, sirens, integrated sounder/strobe units, motion detectors and magnetic contacts.

Legacy Marketing, founded in 1994, is a quality manufacturers' representative firm specialising in audio, video and security products. The firm's commitment to excellence has secured its place in this particularly competitive and demanding field. Legacy Marketing provides in-depth training, technical education, as well as excellent service and support to all of its valued customers.

With Legato Security, clients gain the foresight and expertise of an experienced and trusted cybersecurity firm trained to deal with cyber threats. Legato Security provides comprehensive cybersecurity expertise designed to provide 24/7 monitoring and immediate response to threats.

LEGIC, with headquarters in Switzerland, is the global leading company in secure identification and legitimation management through mobile and contactless smartcard technologies by me¬ans of RFID, BLE and NFC. LEGIC‘s technology platform includes reader and smartcard ICs, key and authorization management tools as well as the mobile service LEGIC Connect consisting of a trusted service and an SDK for mobile apps.

Legrand has been manufacturing in the UK since 1980, and today has three main competencies, namely electronic, electrical and mechanical. Legrand Bticino door entry systems systems can accommodate any type of project. They also offer IP door entry and access control. It serves data centres, education, healthcare, hotel & hospitality, offices, residential and transport sectors.

Leica Geosystems AG is a Switzerland-based security and communication solutions provider firm. Its vast inventory line includes UAVs and Drone Systems, Airborne Systems, Detection Systems, Machine Control Systems, Total Stations, GNSS Systems, Reference Networks, Laser Scanners, Laser Tracker Systems, Mobile Sensor Platforms and 3D Imagers.

Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in national security, health, and engineering. The company offers range of security services including homeland, border, transportation, cyber command and control security etc.

At Leisure Guard Security, they’re always looking to expand the team of SIA-licensed, experienced and driven security guards and supervisors in Greater Manchester and the North West of England. They pride themselves in the ability to deliver the highest possible standard in security services and they are selective in recruiting only the best to the team.

Lekson Video was founded in 1991, and has been actively involved in security industry, specialising in CCTV products. The company provides wide range of solutions for security professionals, dealers, integrators, & distributors worldwide with cutting-edge line-up of CCTV products. Lekson products include stand-alone DVRs, LCD security monitors, public view monitors, CRT security monitors, system mounting solutions, surveillance cameras, etc.

Lekson Video was founded in 1991, and has been actively involved in the security industry, specialising in CCTV products. Lekson Video provides a wide range of solutions for security professionals, dealers, integrators, and distributors worldwide with our cutting-edge line-up of CCTV products. Lekson products include stand-alone Digital Video Recorders, LCD Security Monitors, Public View Monitors, CRT Security Monitors, system mounting solutions.

Lempäälän Security Services Ltd offers designing, installation, supervision and training of security systems including CCTV, access control, intruder alarms, time & attendance tracking systems etc. Based in Finland, the company's customers range from large chains, such as petrol stations, as well as individual SME sector companies and households. Lempäälän Security Services is a comprehensive real estate security and supervision missions.

Lenel Systems International, Inc. is leading provider of software and turnkey security systems. Lenel has blue chip customer base with a strong presence in vertical markets including healthcare, government, critical infrastructure, education, petrochemical, manufacturing, and telecom. The security platform, OnGuard®, seamlessly integrates a full suite of security management functions and technologies.

Lenovo is one of the world's leading personal technology companies, producing innovative PCs and mobile internet devices. Lenovo also offers Thinkserver racks and towers, network attached storage, video surveillance storage and management, etc. Innovation is how Lenovo achieves competitive differentiation and drives new market opportunities, such as mobile Internet, digital home and cloud computing.

Founded in 1998, Houston-based LENSEC provides physical security solutions to a variety of markets. Perspective VMS™ enables secure remote access and real-time collaboration with first responders during security events. LENSEC serves state & local governments, healthcare and education sectors.

Leonardo is a high-tech company and one of the key players in aerospace, defence, and security. Their Security & Information Systems Division is provider of safety-through-technology, providing tailored solutions for customers in public administration, public safety and security, critical infrastructure, services, transport, large companies, post, and logistics.