Essentially, service is the most common ingredient among the largest companies in the United States, whether they are publicly or privately held employers. Thus, people who are in a dilemma of selecting between jobs that they love and a well-paying job can certainly have the best of both worlds.

The largest among a number of American employers is the United States Federal Government. They are housing over four million employees worldwide - from counting the pencils at the General Services Administration and delivering mail at the post offices to uniformed military services and negotiating various foreign heads of state.

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