#6 Lawrence Livermore National Laboratory
Industry: Federal agency
Headquarters: Livermore, Calif.
Size: 5,001-10,000 employees
What employees say: “LLNL dedicates itself to employee development and retention. This workplace supports and encourages skills development and actively seeks to place you where your skills can be utilized. LLNL welcomes and celebrates a diverse workforce and a safety-conscious, environmentally friendly and health-oriented culture.”