Blackstone Plaza

Blackstone Plaza (formerly named Kiewit Plaza) is a high-rise office building in Omaha, Nebraska, U.S.. It is located at 3555 Farnam Street at the corner of South 36th Street. It was built from 1960 to 1961, and is designed in the modernist architectural style.

It has been home to the headquarters of Kiewit Corporation and Berkshire Hathaway since 1962 when Warren Buffett consolidated his six partnerships into one partnership headquartered in this building.

It was originally named after Kiewit Corporation.