Washington Express, a Washington DC courier service, also offers line standing:
Do you need to attend a congressional or judicial hearing but don’t have the time to stand in line? Washington Express, a leader in DC area courier services, provides professional, competitively priced line-standing and seat holding services for congressional and judicial hearings.
Our rate for line standing is $40.00 per hour and Supreme Court line standing is $50 per hour. Washington Express has provided line-standing and seat-holding services for over 20 years, and in that time, we have developed significant expertise in all of the sometimes complex details of seat holding and linestanding.
Turns out that in Washington DC, where access to certain events, like Supreme Court sessions, is extremely limited, lobbiest will pay to have someone stand in line so that they can be guaranteed a seat.
See, you thought that people only stood in line for Apple iPads.