Gateway to IBM computing and professional training. Select country/region and subject area, including many mainframe choices. Both classroom and self-study.

A technical and market research organization focused on the computing needs of organizations with IBM mainframes. Provides technical journals and reports for both management and support staff.

TEI publishes technical periodicals, hosts conferences and provides Internet services and general management for professional organizations. It began with the mainly mainframe NaSPA organization.

Specializes in marketing, supporting and migrating storage and IBM zSeries mainframe servers. Also works with IBM midrange servers.

HDS offers both vendor-neutral and HDS-specific education worldwide, much of it relevant to their mainframe storage and software products.

An Information Technology Education and Services firm specializing in z/OS Mainframe, Enterprise UNIX, Linux, and open-standards technologies.

Technical computing training, including VSE, z/OS Unix System Services, and both IBM and non-IBM mainframe systems software. Computer-based training, competency assessment and classroom courses.

Provides training and mentoring, mostly in computing topics; course materials are also available for use by a client's own instructors. Mainframe courses are available.

Based in Vienna, Virginia, specializing in TPF (Transaction Processing Facility) consulting.

Technical, instructor led training. Courses in the following main areas: Data communications and networking, Telecommunications, Security, UNIX systems, Microsoft systems and programming.