The 25 Best Large-Company Cultures in 2015Entrepreneur teamed up with CultureIQ to rank high-performance cultures existing at large companies for our Top Company Cultures list.

From startups to growing businesses and established companies, having a high-performance company culture helps drive a mission, achieve goals, provides support and creates the foundation for employee growth. It provides a productive, engaged work environment that exceeds expectations and gets results.

Entrepreneur,in partnership with CultureIQ®, a culture management software and service provider, has released its premier Top Company Cultures list. The list recognizes businesses that have successfully instilled a high-performance culture in their workplace.

For our large-company category (companies with more than 100 employees), the industries spanned across the board -- from construction to publishing and everything in between. All 25 companies featured scored above a 86.35, with digital-marketing agency Elite SEM taking the coveted number-one spot. Companies were scored on a scale of zero to 100. For the full methodology behind the list, see below.

Without further ado, we present you our large-company category for ourTop Company Cultures list.

Click below to see what companies made our small and medium-sized company categories.

• Small-company category for our Top Company Cultures list
• Medium-sized company category for our Top Company Cultures list

Methodology

The full list presents a total of 75 companies categorized as small, medium-sized or large companies (25-49 employees; 50-99 employees; and more than 100 employees) broken up into three distinct lists based on company size.

The rankings for all companies were determined using CultureIQ's methodology for measuring high-performance cultures. Employees at each company received a survey of multiple-choice questions. The answers were used to assess a company's strength across 10 core qualities of culture. These quality strength scores, along with the employee Net Promoter Score were combined to create a cumulative CultureIQ Score. The companies with the highest CultureIQ Scores became the Top Company Culture list in ranking order. To be considered for the ranking, a company must have at least 25 employees, have been founded before Jan. 1, 2014, and be headquartered in the U.S.Here are more details about the methodology.

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