New York (CNN Business) As the streaming wars continue to heat up, the Department of Justice says two men behind some of the largest illegal streaming services have been taken out of play.

Two computer programmers in Las Vegas pleaded guilty last Friday to criminal copyright charges after an FBI investigation revealed they had been working on two massive, illegal online streaming sites, iStreamItAll and Jetflicks, according to plea agreements.

Netflix NFLX Amazon AMZN iStreamItAll's content library featured more than 118,000 television episodes and nearly 11,000 movies, making it larger than, Hulu orPrime, according to a release from the Justice Department.

Both iStreamItAll and Jetflicks had tens of thousands of paid subscribers and were designed to work on many different devices and platforms, "including myriad varieties of computer operating systems, smartphones, tablets, smart televisions, video game consoles, digital media players, set-top boxes and web browsers," the DOJ said, citing the two plea agreements.

Pirating has long been a major concern for leaders behind streaming companies. In a 2015 letter to shareholders , Netflix CEO Reed Hastings called piracy one of the company's "biggest competitors."

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