Generally customers are larger companies with fully staffed HR functions, many times including recruiters.  These companies generally rely on EF for clerical and administrative personnel on a temporary basis, or for recruiting assignments on an overflow basis or to fulfill really difficult assignments that the inside staff were unable to meet.  For these customers, going outside is usually in a 'must do' situation, rather than from a 'best solution' position. Generally our customers are the HR professionals within these larger companies.