Mainstream Data has announced that it acquired the content provider Newscom LLC, from a joint venture between Tribune Media Services and The McClatchy Company. Terms of the transaction were not disclosed. Newscom LLC is a content provider to the global publishing community. Newscom will now operate as an independent and wholly owned subsidiary of Mainstream Data and will remain headquartered in the Washington, D.C. area. The company intends to open a sales office in New York City later this summer.