The SAS is primarily noted for two activities: The Space Access conferences are well known in the reusable space launch development community and space launch vehicle communities for bringing together key players at most of the companies working in the field, ranging from large conventional aerospace companies such as Boeing and Lockheed-Martin, and smaller companies such as Rotary Rocket, XCOR Aerospace, Pioneer Rocketplane, Armadillo Aerospace and the like.

NASA and the Federal Aviation Administration Office of Commercial Space Transportation also have consistently sent representatives.

Presentations at the conference range from informal to viewgraphs and paper handouts.

There is no conference proceedings, to encourage the free discussion of issues which participants may not want to go on documented record.

Social networking among the industry leaders present is a major feature of the conferences as well.