Beck-Field and Associates
   Healthcare and executive search firm offering physician, nurse, and allied health positions across the USA.
   http://www.beck-field.com/

Mission Search
   Recruiters for jobs in diagnostic imaging and information management. Provides searchable database of current opportunities.
   http://www.missionsearch.org/

Smith and Associates
   Professional recruitment and placement of physician assistants, pharmacists and nurse practitioners.
   http://www.panpjobs.com/