SPOK HOLDINGS INC revenue for the last year amounted to 125.96 M EUR, the most of which — 66.26 M EUR — came from its highest performing source at the moment, Wireless - Paging, the year earlier bringing 68.51 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought SPOK HOLDINGS INC 123.04 M EUR, and the year before that — 121.82 M EUR.