Linux-based embedded systems, real-time and high availability solutions.

Linux kernel and open source software development and consultancy.

A Red Hat variant Linux distribution, kept as up-to-date as possible. Other popular distributions and older versions also available.

Offers Linux-compatible hardware, distributions, fuzzy penguins, applications, and training programs. International delivery available.

Linux rack mount hardware required for applications such as Industrial PCs, RAID Enclosures, data acquisition, and process control projects.

Consulting, installation, support and computer-security services to businesses.

UK based firm providing Linux systems, software and support to corporate and individual clients. SuSE, Red Hat, Mandrake, other distributions.

Consulting services, software development, Linux support and systems.

Linux-based computer systems, installation, migration, training, support, service, application programming, performance tuning.

Overview on many projects where IBM uses and implements Linux for its customers and also related software and documentation can be found here.