More than 400 organizations have publicly expressed support of the contentious Stop Online Piracy Act (SOPA), or the passage of other similar anti-piracy legislation. Here’s the complete list.

With the next House Judiciary Committee markup hearing delayed until “early next year,” opponents of the Stop Online Piracy Act (SOPA) and the Protect IP Act (PIPA) are looking for more ways to fight back against these contentious pieces of legislation, while they still have a chance.

The anti-SOPA crowd includes everyone from Internet giants like Google, Facebook, eBay, Wikipedia, Mozilla and Yahoo! to The New York Times, the Stanford Law Review and even the very people who created the Internet in the first place. Experts say SOPA and PIPA would not only stifle free speech by allowing widespread censorship (in the name of copyright protection), but could castrate innovation, destroy the open Internet, and disrupt the very foundation upon which the Internet was built, the domain name system. (See a comprehensive list of SOPA opponents here.)

From the pro-SOPA side, we’ve heard much from organizations like the Motion Picture Association of America (MPAA), the Recording Industry Association of America (RIAA) and the US Chamber of Commerce — not to mention politicians, like Rep. Lamar Smith (R-TX), the chief sponsor of SOPA, and the chairman of the Judiciary Committee. But far too little light has shone on the hundreds of organizations that continue to support SOPA, despite the staggering dangers it holds for the Internet as we know it.

Below is a list of 439 corporations, unions, law firms and other groups that have explicitly expressed their support of SOPA, or similar anti-piracy legislation. This list is derived from two sources: the official list (pdf) of SOPA supporters from the Judiciary Committee’s website, and a letter (pdf) addressed to Congress from the Global Intellectual Property Center, which is an affiliate of the US Chamber of Commerce.

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