Leaders in Mineral Manufacturing
FIVE GENERATIONS OF PERFORMANCE
GLC Minerals has a rich history dating back 150 years. Established in Green Bay, Wisconsin, this family-owned business has flourished over five generations. Throughout its long existence, GLC Minerals has been instrumental in the growth of Wisconsin’s crop and livestock production, as well as the manufacturing sector.
Today, GLC Minerals concentrates on manufacturing high-quality calcium carbonate, dolomitic lime, gypsum, and magnesium products, each formulated to meet specific application needs.
Mineral Partners for Farmers and Manufacturers
Agronomy
Our line of all natural soil amendments delivers essential mineral nutrition to Midwestern fields, increasing crop quality and yield improving soil heath for thriving crops.
Animal
Our mineral livestock feed supplements optimize animal health, nutrition and production and are available to our commercial feed partners and livestock producers.
Industrial
Our line of industrial mineral compounds are manufactured to consistently provide the chemistry and physical characteristics that are required for a range of applications.
OUR PURPOSE FUELS OUR FUTURE
GLC Minerals develops and delivers on-demand, science-based macromineral solutions and partners with customers to grow their businesses.
GLC GOLD+ CORE VALUES
Our GOLD+ core values focus on the five ways to improve ourselves, our work and our service to our customers.
Get better every day.
Own your future.
Love thy neighbor.
Do what it takes.
+ Be positive.
GREAT LAKES SOURCED MINERALS
Strategically headquartered on the Port of Green Bay, minerals are brought by boat from Great Lake quarries in the spring and summer months. Our location allows for optimal transport of our products from our Midwestern facility.
Committed to Seeing Our Community Thrive
GLC Minerals is dedicated to supporting and empowering our local community. We recognize the importance of giving back and enabling our team members to make a difference through volunteering their time and skills for worthwhile causes.
We support community initiatives in various ways, from providing sponsorships and donations to local charities to having our employees volunteer at community events like Breakfast on the Farm. We take pride in playing an active role in enriching our communities by contributing to programs and projects that help create nurturing environments for families to thrive.
Over 150 Years of Entrepreneurship
GLC MINERALS HAS GROWN AND EVOLVED OVER THE LAST 150 YEARS AS A FAMILY-OWNED BUSINESS FIRMLY ROOTED IN MIDWESTERN VALUES.
1871 GLC
The company originated as the Hurlbut Calcium and Chemical Company in 1871 by entrepreneur, Fred Hurlbut Sr., who realized the strategic location of Green Bay and the economic opportunity of Great Lakes shipping following the Civil War.
1913 GLC
By this year, second-generation owner Fred Hurlbut Jr. had grown the company into a major coal and bulk mineral distributor in Northeast Wisconsin.
1940 Agronomy
The F. Hurlbut Company relocated to its current location at the mouth of the Fox River. At this time the Hurlbut Calcium and Chemical Company began and started to provide agricultural limestone to farmers in the area.
1955 GLC
Frederick L. Garner joined the company. After serving in various capacities in the Hurlbut Company, he purchased Hurlbut Calcium and Chemical from the family some twenty years later.
1971 GLC
During their centennial anniversary, the Hurlbut Company diversified the calcium and concrete products businesses under the direction of third generation family members Wesley H. Garner I, Charles Bennett, and Frederick J. Lenfestey.
1986 GLC
The company changed its name to Great Lakes Calcium Corporation to better reflect its strength. It continued to invest corporate profit in the plant and equipment to produce a diverse and high-quality product line.
1996 GLC
Wesley Hurlbut Garner II, a fifth-generation family member, purchased Great Lakes Calcium Corporation. The company, also known as GLC, continued to grow and reinvest in the modernization of drying equipment, updating process control systems and adding additional storage capacity.
2015 GLC
As a better reflection of the current products and markets, the company changed its name from Great Lakes Calcium to GLC Minerals, LLC. In addition to the name change, GLC launched GLC Integrated Services, LLC, a trans-load company serving Wisconsin’s dairy industry with cost-effective movement of product from rail to truck to farm, and Hurlbut Holdings, which served as the parent holding company for GLC Minerals and GLC Integrated Services.
2021 GLC
Under the leadership of Wesley Hurlbut Garner II, GLC Minerals celebrated 150 years in business.
2021 GLC
The Green Bay Chamber of Commerce honors GLC with the Cornerstone Award, recognizing a local company that has demonstrated significant and long-term impact on Greater Green Bay. Additionally, it shows active participation in the business community, support community development efforts, and/or make an impact on the local community.
2021 GLC
GLC Minerals celebrate 150 years and five generations in business.
2022 Animal
GLC introduces Multesium™, a mineral feed supplement for dairy producers. This highly soluble magnesium and calcium buffer, balances pH in the digestive system and manages symptoms of acidosis in dairy cows.
