GLC Minerals, LLC

1450 Bylsby Ave
PO Box 2236
Green Bay, WI 54303


Custom Minerals. Solid Partnerships. Your Supplier of Choice. We're a company that's known for revolutionizing a commodity-driven mineral market by adding value through solid partnerships and delivering customized mineral solutions across several industries. Since 1945, GLC has been processing calcium carbonate products at our dockside facility in Green Bay, Wisconsin. With roots back to 1871 as a family run business, we've grown to become the leader in custom mineral processing for markets such as agronomy, animal feed, environmental, glass and industrial fillers. As a premier Upper Midwest mineral supplier, we leverage experience and expertise to make sure our level of customer support equals the quality of our products. We have designed flexibility into our process equipment that allows us to work closely with customers to produce the optimal product. Being locally owned helps us make decisions and respond quickly to customer's needs. The use of low-cost vessel transportation for our raw materials enables us to deliver our products at a very competitive price. The key location of our dock on the Great Lakes allows us to efficiently take delivery and then organize logistics throughout the region. Our solid partnerships are formed and strengthened due to the values, purpose and vision that our employees live by. Our core purpose is to keep businesses running and that is backed by our values of get better every day, love they neighbor, do what it takes and own your future. The combination of our purpose and values and the quality of our products, makes us a strong supplier; your supplier of choice.



Kim Jasperson
Customer Service & Marketing Manager


Mark Thomson
VP Business Development

Started in:


  • The New North

Core Competencies:
Services Our Level of Customer Support Equals the Quality of Our Products Our Customer Service This means no hassles, on time delivery, and friendly, personal service with each and every order. We really get to know our customers and go out of our way to ensure satisfaction. If that means a personal visit, we'll do it. If that means going out of our way for our customers, we will do it. Our dedicated experts will source the perfect grade of mineral to suit your needs from a select network of suppliers. Transportation & Logistics Being located in Green Bay, Wisconsin definitely has benefits. GLC Minerals has direct access to all transportation modalities - truck, rail, boat. We partner with trucking companies who have hopper bottom, pneumatic, van, flatbed, dump and end-dump trailers. We also have the capability to load railcars at our facility and utilize the Canadian National Railroad Company (CN). With the strategic advantage of our dock location, an experienced logistics department and strong transportation partnerships, we can execute the most critical of delivery schedules. Container Inspections & Sealing Meets container cleanliness relative to animal feed standards Ensures product that was loaded is the product you receive Packaging Product is packaged to meet customer requirements and ensure quality standards Available packaging configurations include: 50 lb bags, various sizes of super sacks, and bulk Flexible Production Batch mode based on shipping history Produce-to-order for special needs Shipping 24 hr / 5 days a week shipping schedule Contact us for product specific leadtimes
Supplier to the Defense Industry:
No, have never supplied to the defense industry, but would be interested in doing so

Number of Employees:

Import: Yes

Export: Yes


  • Automotive
  • Aviation and Aerospace
  • Defense Industry Supply Chain
  • Energy Systems
  • Food and Beverage
  • Forest Products-Packaging-Lumber
  • Foxconn
  • Lakeshore Manufacturing Cluster
  • Marine Manufacturing
  • Water Industry - Technology or Manufacturing
  • Wisconsin Wind Works


  • FDA Registered
  • ISO 9001
  • SQF
  • Other: Safe Feed/Safe Food

Markets Interested in Serving

  • Advanced Manufacturing
  • Chemical Manufacturing
  • Construction
  • Other


  • Additive Manufacturing / 3D Printing
  • Manufacturing: Chemical
  • Other
  • Transportation, Logistics, Warehousing

Manufacturing Tier

  • Tier two companies are the key suppliers to tier one suppliers, without supplying a product directly to OEM companies. However, a single company may be a tier one supplier to one company and a tier two supplier to another company, or may be a tier one supplier for one product and a tier two supplier for a different product line.

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