Solid Partnerships Start with a Commitment to High Quality

At GLC Minerals, we continue to invest in personnel and capital in order to assure customers that we will meet their needs for high quality, pure calcium carbonate powder mineral products. Every decision that we make is judged for the positive impact that it will have on our clients’ business and the well-being and safety of our employees.

Our Future is Paved with the Following Beliefs:

Quality Policy

GLC pledges to provide quality products that will meet or exceed our customer’s expectations. We will achieve this level of quality through continual improvement of our products, processes, and systems.

Mission Statement

GLC is a premier upper Midwest processor of high quality pure calcium carbonate powder servicing a wide variety of industries. We leverage operational excellence to deliver value to our customers, employees and shareholders. We value a culture devoted to honesty, integrity and teamwork in all our business relationships.

Safety Program

All GLC employees are continually educated on the facility equipment and their potential hazards. Safety equipment and apparel are provided to our employees that meet MSHA standards. We also have a safety program in effect that reflects our outstanding safety records.

The people at GLC Minerals pride ourselves on the high standard of customer service we provide. We have a rigid quality control program, enhanced by ISO 9001:2015 certification as well as Safe Feed/Safe Food certification.

Our Customers are Provided with the Following Essential Information as Part of our Commitment to High Quality:

Monthly/Quarterly/Annual Reports

These contain particle or sieve size analysis on each shipment of product to the customer.

Product Specifications

Complete product specifications are provided to all customers, as well as SDS.

Quality Assurance

Constant Preventative Action Reports are initiated and followed through by our personnel. We also generate Corrective Action Reports on any internal or external issues that may arise.

Customer Satisfaction

We continually visit our customers, as well as provide questionnaires to ensure we are meeting or exceeding their expectations.

Customized Products

GLC can customize a product to meet certain customer’s specific chemical and particle size requirements.


ISO 9001:2015 certified

FSC36 Safe Feed/Safe Food