L H Consulting Group  
   Providing network design and installation.
   http://www.LH-Consulting.com/

LanPro Solutions  
   Consulting and networking solutions, designing and maintaining LAN's and VPN's. Also offers hardware and software installations.
   http://www.lanprosolutions.com/

Lane Rowland Network Solutions  
   Microsoft Certified Solution Provider specializing in Client Server and LAN/WAN technologies.
   http://www.ldrsolutions.com/

Lanway CBS Ltd  
   Comprehensive computer-based solutions to clients in both public and private sectors with a wide range of requirements.
   http://www.lanway.co.uk/

LEAD Technologies  
   Providing assistance in network operating systems, computer networks, project management and internet/intranet technology.
   http://www.leadtech.com/

Lexicon Consulting  
   Provides high-end design, analysis and troubleshooting of networking, data communications and data processing systems.
   http://www.lex-con.com/

Lozngra Limited  
   Specialist networking for home and small businesses.
   http://www.lozngra.co.uk/