1. Genentech: San Francisco, Calif.
2. Wegmans: Rochester, N.Y.
3. Valero Energy: San Antonio, Texas
4. Griffin Hospital: Derby, Conn.
5. W.L. Gore: Newark, Del.
6. Container Store: Dallas, Texas
7. Vision Service Plan: Sacramento, Calif.
8. J.M. Smucker: Orrville, Ohio
9. REI: Sumner, Wash.
10. S.C. Johnson & Son: Racine, Wisc.
Source: 2006 Fortune magazine s 100 Best Companies to Work For list.