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.

Valero Energy
Valero Energy
Fortune 1000 rank: 16
Best Companies rank: 22
No. of U.S. employees: 18,730
Most common salaried job (Avg. Pay):
IS Specialist ($86,915)

What makes it so great? Refineries can be dangerous places; of the 23 refineries designated by OSHA as having the best safety programs, 11 are Valero units. Another plus: The company has never laid off a single employee.

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To choose the 100 Best Companies to Work For, Fortune partners with Great Place to Work® Institute. For details, click here.
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