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.

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.

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.

LevelOne is a IP networking security products and solutions manufacturer in Germany. The company offers IP network camera, network video recorder, video encoder, video extender, surveillance software, camera enclosure, IR illuminator and lens etc. LevelOne was established by Digital Data Communications GmbH.

Libelium designs and manufactures hardware technology for the implementation of wireless sensor networks so that system integrators, engineering and consultancy companies can implement reliable Smart Cities solutions to end users within the minimum time to market.

Life Safety Services is the UK-based business providing a comprehensive range of fire and life safety products and services. Utilising the latest technologies and systems design its focus is on integration, innovation and development of reliable, cost-effective solutions for individuals and businesses.

LiftMaster is an access control systems manufacturer. Headquartered in Madrid, Spain, the company provides garage door openers and associated equipment, gate openers, keypad access systems, card reader access, wireless keyless entry systems and fire door alarm detection systems and accessories etc. to home and business applications.

Lince Italia S.p.A. develops and manufactures Intrusion and Hold-up Alarm Systems since 1976. Lince is leader in innovation technology for combined passive infrared and microwave indoor and outdoor detectors.

Lincoln Fire & Rescue (LF&R) in Lincoln, Nebraska offers an all hazards emergency response service including fire and emergency medical services with professional personnel on staff. The fire department promotes life safety through public education, fire suppression, emergency medical services, and hazardous materials, and by developing and enforcing ordinances and fire codes

Lincoln Security has expanded to become one of the UK's most respected security solution providers. The company protects some of the most critical national infrastructure sites in the UK with its security systems including access control, CCTV, alarms systems, and key cutting services etc. Located on the Lincoln’s high street, Lincoln Security offer selection of products to installation and long-term maintenance.

Linkcom is a 18 years old French based corporation providing innovative, competitive and High-quality solutions for the Video Surveillance industry, Access Control, GSM Gateways, but also in the telecom industry (professionals and Mass Market) and many more. Linkcom is also a provider of friendly solutions.

Locken is a leading player in the market for cable free access control in Europe with more than 100,000 sites installed. Its original digital solution, based on an intelligent key, makes it a unique player in the market. The Locken solution revolves round five components that provide security: single electronic key, power-free cylinders, remote and flexible access control, a simple and flexible application suite, a breadth of support services.

LOCKEN is a player in the field of electronic access control in Europe. Its original digital solution, based on an intelligent key, makes it a unique player in the market. Locken's innovation challenges traditional practices in the world of access control. In just 10 years, the company, with its original, simple and reliable access control, is used by many large corporate and public sector organisations.

Lockey Digital UK Ltd was established in 1982 as Total Product Sales Ltd. The company's line of products include keyless & wireless locking systems and operating devices. Lockey Digital UK Ltd is the sole importer and distributor of the Lockey digital door lock range, Sentry remote control transmitters & receivers.

Lockpoint is the UK company specialising in the creation and delivery of innovative and pre-emptive security for people, property and premises, with clients in the UK and abroad. Lockpoint consistently delivers standard-setting products, intelligently designed and expertly built. They serve and protect, reducing crime and eliminating the vulnerability of businesses, locations and people.

Locks & Fittings is a market leader in the supply of door controls, hinges, locks and latches, and signages etc. Based in Walsall, the company provide best possible service with quality products at competitive prices for all its customers. Locks & Fittings offers a fully professional scheduling and quoting service for architects and builders alike.

Locksmiths Newport. Professional & reliable local locksmith service. Newport locksmiths available for new locks, lock repairs & upgrades and is based out of United Kingdom.

Lonix provides versatile systems and advanced solutions for Intelligent Buildings. The solution allows for smooth integration with automation and building management systems. The company provides a complete and fully featured hardware infrastructure for access control and intruder alarm systems. The cutting edge digital video surveillance system provides support for a wide camera range from analogue systems to megapixel resolution cameras.

LonTrend is a Taiwan-based precision & manufacturing company in the video surveillance industry. They range of products consists of camera enclosures, PTZ camera systems, mounts and brackets, IR illuminators, bullet and thermal cameras, and lenses. Their products are used to enhance camera features for any application used in oil and gas industry, marine, transportation, border security and government projects.

LonTrend, a professional surveillance provider who is proud to boast its services to both the private and public sector and is based out of Taiwan.

Lorenz Technology is specialised in delivering software solutions for drones and mobile robots by the implementation of AI, edge-computing, and automation. They also integrate flight, mapping, and analysis on their platform: Lorenz AI-Link and Lorenz Hive. They are largely a software company on a mission to make all drones autonomous by developing AI-based drone software.

LRSS Ltd. was established to provide efficient, expert security solutions to businesses. Its services include Static Guards, Mobile Patrols, Alarm response, Key Holding, Lock up/Unlock, Concierge, Gatehouse duties. It can also advise, implement and aminister electronic security services for example perimeter sensors HD CCTV systems.

LS Telematics uses the very latest wireless and wired communication technologies, it provides professional products and services for a wide range of requirements including:Monitoring for remote, empty or unattended property,Lone worker monitoring and Covert surveillance.

German company, LTV Europe GmbH, offers a wide range of video surveillance products. The company delivers IP, HD-SDI and analogue cameras to support legacy video surveillance systems, and provides a complete range of solutions for a broad spectrum of industry segments and applications. LTV offers solutions for government, retail, logistics, banking, and manufacturing. LTV VMS supports many brand-name cameras, such as Axis, Bosch, Sony, and RIVA.

Luceat is designs and manufactures systems for light transmission and data-based plastic optical fiber. It is the only company in Europe able to integrate cables and systems of data transmission over fiber and plastic to provide any advice on any aspect of plastic fiber systems (cables, components, devices and transmission protocols) to be single point of contact for all needs.

Luminite Electronics Ltd is a UK based company with 30 years experience in the design and manufacture of PIRs a reliable and flexible professional security solution for intruder detection and event driven CCTV systems.

LYYN technology enhances visibility in real-time in fog, dust, lowlight, snow, smoke, subsea, etc. LYYN works on images and video from normal colour cameras, but can also be used in processing saved material. The company’s products are used in many different applications. The main markets are the subSea and the security and surveillance industries. It has developed real-time image enhancement algorithms that can give any CCTV system a real boost

Macaferri is a global company, with over 70 subsidiaries operating in 5 continents, with an on-site presence in more than 100 countries. The employees are highly-specialised professionals trained in designing and developing complex solutions in the civil engineering, geotechnical and environmental construction markets.