Below are links to the NIMS ICS classes availible at FEMA.GOV and the US Fire Administration.

ICS-100, Introduction to ICS for Operational First Responders 

ICS-200, Basic NIMS ICS for Operational First Responders

ICS-300, Intermediate All-Hazard NIMS ICS Review for Expanding Incidents (This course can be used as a precourse module or a remedial training for the classroom version of ICS-300; this course alone does not meet the training requirements for ICS 300.)

ICS-400, Fundamentals Review for Command and General Staff   (This course can be used as a precourse module or as remedial training for the classroom version of ICS 400; this course alone does not meet the training requirements for ICS 400.)

ICS-700, National Incident Management System (NIMS), An Introduction

ICS-800 National Response Framework, An Introduction- ICS

IS-701.a NIMS Multiagency Coordination System (MACS) Course

IS-702.a – National Incident Management System (NIMS) Public Information Systems

IS-704 NIMS Communications and Information Management