ASGN Incorporated provides IT and professional services in the technology, creative/digital, engineering, and life sciences fields across commercial and government sectors in the United State and internationally. The company operates through Apex, Oxford, and ECS segments. The Apex segment offers technical, scientific, digital, and creative services and solutions to Fortune 1000 and mid-market clients. The Oxford segment provides technical, digital, engineering, and life sciences services and solutions in various skill and geographic markets. The ECS Segment delivers advanced solutions in cloud, cybersecurity, artificial intelligence, machine learning, software development, IT modernization, and science and engineering, as well as focused on Federal Government activities. The company was formerly known as On Assignment, Inc. and changed its name to ASGN Incorporated in April 2018. ASGN Incorporated was founded in 1985 and is headquartered in Calabasas, California.