Actually I was still working for NCR Corp (and we were a business unit of AT&T for 3 years) when that term came into vogue, in the 90's.
What is a stakeholder? definition and meaning - BusinessDictionary.com
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stakeholder.html
Stakeholders can affect or be affected by the organization's actions, objectives and policies. Some examples of key stakeholders are creditors, directors, employees, government (and its agencies), owners (shareholders), suppliers, unions, and the community from which the business draws its resources.