0001104659-08-049619 8-K 2 20080804 2.02 9.01 20080804 20080804 ON ASSIGNMENT INC 0000890564 7363 954023433 DE 1231 8-K 34 000-20540 08988577 26651 WEST AGOURA ROAD CALABASAS CA 91302 8188787900 8-K 1 a08-20746_18k.htm 8-K EX-99.1 2 a08-20746_1ex99d1.htm EX-99.1