CDW Corporation revenue for the last year amounted to 21.38 B USD, the most of which — 8.96 B USD — came from its highest performing source at the moment, Corporate Segment, the year earlier bringing 10.35 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought CDW Corporation 18.75 B USD, and the year before that — 20.83 B USD.