Liberty Mutual concentrates on job-related stresses and the effects they have on health and disability insurance claims.
Travelers focuses on uncovering fraud in auto and home insurance claims.
Both labs do work for a half-dozen insurers, but officials at both zipped their lips when asked to name names. Liberty Mutual's research lab in Hopkinton, Mass., however, is run like a think tank. Its body of work is largely academic. The research aids Liberty Mutual, the largest workers comp insurer in the United States, in reducing job-related accidents at customer workplaces. The lab is also open for tours.