Here is the latest research from Staffing Industry Analysts.

INSIGHT - Clinical Scientific staffing growth update
*Project 2009 contraction of 2.0%
*Estimated market size of $1.5 billion
*Aerotek is largest provider

INSIGHT - Healthcare staffing growth update
*Lowering 2009 growth projection to -6.0%
*Contraction in nursing more than offsets growth in locum and allied
*Healthcare employment continues to increase