The group filed through the gap into the open air.
The law requires the groups to file reports every four years.
Last week, a group of 765 people making health claims filed an appeal.
A group of music publishers has also filed suit against the company.
More than 100 medical groups in California have filed for bankruptcy protection the last three years.
The plant had already been shut down for nearly three years when the groups filed the suit.
Then the group filed into the empty party room to hear what their boss had to say.
The group also filed claims for more than $130,000 that were never paid.
Other interested groups must file their proposals by May 4.
He said his group would file an injunction against the administration within days.