The Recording Industry Association of America said Friday that it had sued Israeli file-swapping company iMesh, one of the oldest of the peer-to-peer companies still in operation.

The record labels' trade association alleges that iMesh has contributed to massive copyright infringement online, much as other file-trading companies before it. The suit marked the clearest sign since the beginning of the RIAA's lawsuits against hundreds of song-swappers that the trade group will continue to pursue software companies as well as individuals.

Read more: CNet News.