Don't forget career resources in online study aids databases, in particular West Academic Study Aids.
Begin your research on a specific employer's website, if you have one in mind. It will help you identify the employer's location, key practice areas, and prominent attorneys.
Other databases allow you to search for employers by type, practice area, locations and more.
WESTLAW
Westlaw provides a Career Services & Job Preparation Toolkit to help you with your research.
LEXIS
See Lexis' Career Related Resources located within the Lexis Practice Centers.
BLOOMBERG LAW
Bloomberg Law has an entire page dedicated to career resources, including access to litigation analytics and people search.