Honeywell International Inc. is an American multinational conglomerate company that produces a variety of commercial and consumer products, engineering services and aerospace systems for a wide variety of customers, from private consumers to major corporations and governments. The company operates four business units, known as Strategic Business Units – Honeywell Aerospace, Home and Building Technologies (HBT), Safety and Productivity Solutions (SPS), and Honeywell Performance Materials and Technologies. Honeywell is a Fortune 100 company. In 2016, Honeywell ranked 73rd in the Fortune 500. Honeywell has a global workforce of approximately 130,000, of whom approximately 58,000 are employed in the United States. The company is headquartered in Morris Plains, New Jersey. Its current chief executive officer is Darius Adamczyk. The company and its corporate predecessors were part of the Dow Jones Industrial Average Index from December 7, 1925 until February 9, 2008.