Good observation. It seems that Lamar Smith has been doing every dirty trick he can to beef up that list, like including the names of companies who had only agreed to a generic statement about fighting the sale of counterfeit goods [1][2].
[1] http://www.techdirt.com/articles/20111222/16384317175/gibson...
[2] http://www.techdirt.com/articles/20111223/09051617180/law-fi...