What technology company created the Group Control System operating system and is located in Armonk, New York?
IBM IBM (International Business Machines Corporation) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries. The company originated in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed "International Business Machines" in 1924.
Yankee Group Yankee Group was an independent technology research and consulting firm, founded in 1970 by Howard Anderson. It was acquired by 451 Research in 2013.