To produce the Best Medium Workplaces list, Fortune partnered with the people analytics firm Great Place To Work®. Great Place To Work has been surveying employees around the world about their workplace experiences for 30 years. Great Place To Work has developed a set of themes and metrics that not only reveal whether employees feel their workplace is great, but also predict retention, agility, and overall business success.

Using their proprietary Trust Index™ survey, Great Place To Work measures the core of what they know creates great workplaces — key behaviors that drive trust in management, connection with colleagues, and loyalty to the company.

The survey enables employees to share confidential quantitative and qualitative feedback about their organization’s culture by responding to 60 statements on a five-point scale and answering two open-ended questions.

Employees tell Great Place To Work whether leaders are accessible, communicate honestly and clearly, and if their actions match their words. They tell whether they feel respected as individuals, if they receive training benefits, appreciation, support for their well-being and opportunities to contribute. They tell whether they believe their company is fair related to pay, profits, promotions, recognition, favoritism and opportunities. They tell if they are proud of their work, their team, and their company and if they feel they make a difference, and their work is meaningful. And they tell whether they enjoy the people they work with, feel cared for and can be themselves.

List rankings are based on this employee feedback, which is analyzed to determine the extent to which this experience is shared by the full workforce. Great Place To Work measures the differences in survey responses across demographic groups and roles within each organization to assess both the quality and consistency of the employee experience. Statements are weighted according to their relevance in describing the most important aspects of an equitable workplace. Companies with the broadest sets of employees who report positive workplace experiences receive the highest rankings on lists.

In order to analyze employee feedback in context, Great Place To Work collects information from each company including their industry, revenue, size, and employee demographics. They identify the organizations that offer the most generous, caring and innovative cultures reflecting a genuine commitment to meet the diversity of their people’s needs inside and outside the workplace as validated by what employees themselves report in survey results.

Because employee feedback drives these rankings, surveys must meet strict requirements for how they are distributed and the percentage of employees who respond to ensure they accurately represent honest feedback from the company’s full population. To be eligible for the Fortune Best Medium Workplaces list, companies must be Great Place To Work Certified™ and must have between 100 and 999 employees in the U.S.

In the last year, Great Place To Work surveyed companies employing 8.4 million people in the U.S. and received 1.3 million survey responses. Of those, more than 228,000 responses were received from employees at companies who were eligible for the 2025 Fortune Best Medium Workplaces list and this list is based on their feedback.

To find out more about how to become Great Place To Work Certified™ or to apply to this or other Best Workplaces lists, visit greatplacetowork.com.

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