Best big companies to work for

See the 37 companies that made both the Fortune 1000 and Best Companies to Work For lists this year.

Principal Financial
Principal Financial
Fortune 1000 rank: 250
Best Companies rank: 77
No. of U.S. employees: 13,075
Most common salaried job (Avg. Pay):
IT Application Analyst Sr. ($93,419)

What makes it so great? Personal development is emphasized at this retirement and insurance-services firm, with classes, mentoring, and networking groups. In 2006 nearly 3,500 employees signed up to build new skills at Development Week.

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