A Sockl, Vienna

Some early cards, views and illustrations, bear the full Sockl name - see Wikimedia. The ASW and ASV logos are attributed to Sockl fairly universally, I haven't seen the linking evidence myself but have no reason to question it.

See also cards with this logo which may be related.

ASW Sommersport
I rather like this card, it must originally have looked more like this.
ASV 439
ASW b Blumengruesse