What makes it so great?
Great ideas (Gore-Tex, Glide dental floss) come from all corners at this nonhierarchical Delaware company, which prefers to promote from within. (CEO Terri L. Kelly joined Gore as a process engineer in 1983.)
Headquarters: Newark, Del.
Top 3 (of 28) U.S. locations: Elkton, MD, Flagstaff, AZ, Newark, DE
2005 revenue ($ millions): $1,984
Full list: 100 Best Companies to Work For