Chester County is home to 17 of The Philadelphia 100, a list of the region’s privately held companies ranked by percentage growth over the last three years.

The Philadelphia 100 has been the hallmark of entrepreneurial achievement in the region since 1988. The project, which is run by the Wharton Small Business Development Center and The Entrepreneurs’ Forum of Greater Philadelphia, identifies and honors the 100 fastest-growing, privately held entrepreneurial companies in Greater Philadelphia.

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