How the Best are Measured

To identify the 100 Best Companies to Work For®, each year Fortune partners with Great Place to Work to conduct the most extensive employee survey in corporate America. The ranking is based on feedback from more than 232,000 employees at Great Place to Work–Certified™ companies with more than 1,000 employees.

Winning a spot on this list indicates the company has distinguished itself from peers by creating a great place to work for employees – measured and ranked through our analysis of the results of our Trust Index© survey and Culture Audit© questionnaire.

Through the Trust Index©, employees anonymously assess their workplace, including the honesty and quality of communication by managers, degree of support for employees' personal and professional lives, and the authenticity of relationships with colleagues. Results from the survey are highly reliable, having a 95% confidence level and a margin of error of 5% or less. Companies' results on the Trust Index© survey are compared to peer organizations of like size and complexity. The Culture Audit© includes detailed questions about benefits, programs, and practices.

To be considered for our Best Workplaces lists, companies must be Great Place to Work-Certified™.

Fortune 100 Best Companies to Work For

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