all the micro mapping drone I know do the horizontal land mapping very well but we are talking the 360 degree scanning of tower assemblies with all the antennas and spaces they have and measuring in flight to a few millimeters. It is hard to make vertical measurements as you dont have the same geo-location references as you do on the ground
may be my google searches are lacking though so a few links to substantiate your claim would help. I am sure there are others and we ought to have some clue as to the differentiation but it isn't something companies are shouting about in their literature.
BTW many top companies do not let you disclose them as a customer for competitive reasons. as you would be aware if you follow Plug...