Orion Office REIT Inc. revenue for the last year amounted to 195.04 M USD, the most of which — 194.24 M USD — came from its highest performing source at the moment, Rental, the year earlier bringing 207.35 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Orion Office REIT Inc. 195.04 M USD, and the year before that — 208.12 M USD.