CONSULTIX, the UNIX Training Experts
http://www.halcyon.com/yumpy/
Provides UNIX training and other advanced language training for Fortune 500 companies and the Federal Government. This site lists upcoming classes, their structure, and how they fit into certification programs. CONSULTIX teaches the following languages: C, AWK, Bourne shell, and Korn shell languages, UNIX System administration, UNIX security, and Linux (the UNIX look-alike system).