Defense and Aerospace
Industry sector is a category of businesses (industry) like metal businesses, oil businesses, financial businesses, etc.
The name Lockheed Martin came from the merger of Lockheed Corp. and Martin Marietta Corp. in 1995. The Lockheed name came from aviation pioneers Allan and Malcolm Lockheed. The Martin name came from...
Say a laundry company: They might have public sector clients: Government run hospitals private sector Hotels residential sector You and your squeeze
In 1995 Lockheed merged with Martin Marietta Corporation