2025 Outstanding Philanthropic Corporation Award

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Local news about the companies, people and issues that impact business in Northeast Wisconsin and beyond.

GLC Minerals

For 154 years, GLC Minerals — a premier upper Midwest producer of high-quality pure calcium carbonate powder servicing a variety of industries — has been deeply rooted in the greater Green Bay community. As a five-generation, family-owned business, the company has continually been forward-thinking in both business growth and company culture.

GLC Minerals takes a thoughtful approach to its philanthropy, choosing programs and organizations that are meeting real needs in our community. Over the last 14 years, GLC Minerals has provided gifts to more than 150 worthy organizations with focus areas that include adoption and foster care support, neighborhood development and conservation of the Port of Green Bay and the Fox River. Each year, an employee committee determines a fourth focus area, based on the most pressing needs of the community. Recent choices have included addressing the mental health crisis and providing support for refugees. 

The company also conducts site visits with nonprofit organizations to learn more about their work and how GLC can best support them. By engaging employees in this process, GLC helps its staff to be aware of what’s going on in the community so that they might also give their individual time and talent to help grow the greater good, nominators say. 

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“The company recognizes that challenging economies create an even greater need for financial support to nonprofit organizations,” wrote one nominator. “As such, they have increased their giving to adjust for inflation and offer greater flexibility in addressing challenges that have arisen as people and nonprofits face economic hardships. GLC Minerals is truly a model of community leadership and what it means to be a thoughtful, engaged corporate citizen.”

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