American Association of Law Libraries; American Library Association; Association of Research Libraries; Center for Democracy and Technology; Computer and Communications Industry Association; Consumer Electronics Association; Consumers Union; EDUCAUSE; Electronic Frontier Foundation; Entertainment Consumers Association; Essential Action; Home Recording Rights Coalition; Internet Archive; Knowledge Ecology International; NetCoalition; Public Knowledge; Special Libraries Association; U.S. Public Interest Research Group; Wikimedia Foundation(4/2/2009)
American Association of Law Libraries; Association of Research Libraries; Computer & Communications Industry Association; Consumer Electronics Retailers Coalition; Digital Future Coalition; MCI; SBC; U.S. Internet Service Provider Association; Verizon; American Library Association; BellSouth Corporation; Consumer Electronics Association; DigitalConsumer.org; Home Recording Rights Coalition; Public Knowledge; U.S. Internet Industry Association; U.S. Telecomm Association(8/24/2004)