Each of the companies on the 2012 Working Mother 100 Best Companies list filled out our extensive application, answering more than 500 questions about their programs and policies on topics including work life, representation of women, child care, benefits and advancement programs. They end up on our list; we end up with reams of fascinating data about how the most progressive companies in the country are treating their workers--and particularly their working moms.

Click here for our "How to Make a Working Mom Happy" infographic, comparing how often benefits (flu shots, telecommuting, maternity leave) are offered by the 100 Best versus the rest of the nation's employers.

Click here for our 2012 Working Mother 100 Best Companies Executive Summary. In this document, we run down the trends that became apparent as we were combing through the data from this year's applications.

Click here to download a chart that shows specific data on each of the 2012 Working Mother 100 Best Companies: How much maternity leave do they offer? What percentage of managers are women? Is there an on-site fitness center? And more.