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Principal Financial
Principal Financial
Fortune 1000 rank: 242
Best Companies rank: 21
No. of U.S. employees: 13,438
Most common salaried job: IT Application Analyst Sr.
Avg. pay in that job: $95,308

What makes it so great? A new child-care center is in the works, you can buy extra time off, and the majority get retirement benefits of 100% of income.

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Last updated April 24 2008: 10:56 AM ET