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.

Leigh Visual designs, installs and maintains electronic security systems, particularly larger CCTV and Access Control systems for public sector and commercial customers. The company seek to understand a customer's business and their security issues and will recommend the most cost effective solution. Leigh Visual expertise in large access control systems and IP CCTV as well as covering traditional CCTV, perimeter, intruder and fire systems.

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.

Leon Security has an excellent track record of providing customer-focused event security solutions at shows, events, festivals and exhibitions across Birmingham, London and many other major locations.

LEVER Technology Group PLC is a wireless network consultancy, training and support services provider. They deliver the largest portfolio of vendor-independent training in mobile communications, wireless, telecommunications, data networking and network security.

Lex Dinamica is a pioneering consulting firm focused on building privacy-conscious organizations that thrive in a data-centric landscape. Lex Dinamica bridges the gap between traditional consulting firms and law practices. With tailored data privacy services, built around best practices, they help organizations navigate the complexities of data privacy regulations, and develop robust privacy programs.

LGS provides bespoke tailored solutions and delivers a well co-ordinated and seamless service delivery.

LGS FM provides a variety of professional security solutions to protect your business premises and staff, family and home, giving you a total piece of mind 24hrs.

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

Lifeline Alarm Systems Ltd specialises in the design, installation and maintenance of Electronic Fire & Security Systems for domestic, residential, private sector, and heritage sites. The company haven gained NACOSS for Intruder Alarm Systems and maintained high levels of achievement in these approvals ever since. Lifeline Alarm strive hard to provide leading edge technology to all its clients.

Limitless Security specialize in security systems, fire alarm systems and man guarding services for business premises and homes. The company provides reputable, qualified security personnel for all purposes, from event staff and stewards to door security and personal protection. Limitless Security also offers professional intruder alarm system installations and maintenance contracts for both homes and businesses.

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.

Lincolnshire Security Ltd. has been established since 1998, starting as a small family business in Lincolnshire. The company offers a wide range of guarding and mobile security services such as security guards, alarm activation services, special event security, and mobile patrols.

Link CCTV Systems now design, install and maintain premium integrated security systems for some of Europe’s biggest corporations and groups on over 450 sites nationally. Link currently maintain a range of systems from large schools and universities to government and corporate offices, retail parks, haulage depots and high-profile shopping centres

Link Microtek are experts in radio frequency (RF), microwave and infra red components, systems and instrumentation. Their core focus is the supply of components and systems to companies working in the aerospace, defense, telecommunication, industrial, scientific and medical sectors.

LINX - London Internet Exchange Ltd. focus on investing our service and membership fees into strengthening all LINX network services. This ensures that their infrastructure is as up to date as possible and that they remain at the forefront of the IXP industry. By doing so, they can confidently provide our members with improved network performance, low latency and more control.

Linx International Ltd is the UK’s consultancy providing a range of security, risk management and investigation services, security related and bespoke training courses, security surveys, audits & risk assessments. Through its group companies, ARC Training International and Perpetuity Training, the company offers world class security management training programmes.

Littlefish is a multi-award-winning Managed IT Services Provider that is growing significantly through tangibly delivering on the promises of enhanced user experience, improved customer satisfaction and achieving authentic business value. They provide Managed IT Services, IT Support, Service Management, SIAM, Managed Cyber Security Services, Intelligent & Robotic Process Automation, and much more.

Littlewood Fencing Ltd is one of the most diverse fencing contractors in the United Kingdom. They provide gate automation solutions, access control solutions, CCTV systems, safety devices and many more.

Livewire Digital came into being to deliver the fastest most resilient hybrid connectivity by unlocking and bonding all available networks. The vision of the founders is to be accelerating every wireless network in the world. Combining networking knowledge with expertise in broadcast video, electronics, and mechanical engineering, Livewire offers pioneering edge products and bespoke systems to a broad range of markets and organizations.