Companies offering Linux Support

Turtle Networks	Linux Support in London and UK A software development company offering Linux solutions and bespoke software written in C++/Java. The company also offers extensive hosting solutions and specialist software for intranets, auctions and online dating.
UK Free Software Network	An ISP for Linux and open source software. All profits go to funding open source projects
EMC UK	Enterprise Managements Consultants is a Linux support and installation company with a good track record for installing Linux clusters in large corporations.
Holborn Books	Looking for a place to physically buy the Linux distributions, as well as books related to Linux? Well Holborn Books has a large supply of Linux resources for you to churn through.
Wildthorn	Offer Linux support and maintenance.