Business Details
50+ Years
experience
Trusted Construction and Agricultural Lime Supplier in Pittsburg, KS
Founded in 1947 by John and Mary Stark, Midwest Minerals has built a legacy as a trusted provider of crushed limestone aggregates and agricultural lime. Our expertise in producing high-quality construction and agricultural materials has supported regional development across southeast Kansas, northeast Oklahoma, and southwest Missouri. Through strategic acquisitions and partnerships, including our affiliation with Summit Materials and Cornejo & Sons, we have expanded our capabilities to meet evolving industry demands. Our team of over 95 professionals combines decades of experience with advanced equipment to deliver reliable solutions for infrastructure and farming needs.We maintain a strong commitment to quality, investing in modern crushing, screening, and conveying technologies to ensure superior product performance. With five portable crushing operations and a diverse inventory of 20+ material sizes, we adapt efficiently to project-specific requirements. Our leadership in the aggregates industry is reflected in our long-standing relationships with clients and our active participation in key trade associations. Today, we continue to uphold the values established by our founders: integrity, innovation, and unwavering dedication to customer satisfaction.
Services
Crushed limestone aggregates
Agricultural lime
Ready-mix concrete
Portable crushing operations
Construction aggregates
Details
- Year established: 1947
Highlights and features
- We offer over 75 years of specialized expertise in aggregates production
- Our portable crushing operations enable efficient, site-specific material processing
- We maintain 20+ product sizes to meet diverse construction requirements
- Our strategic acquisitions have expanded service capabilities across three states
- We invest in modern equipment for superior product quality and consistency
Services
Crushed limestone aggregates
We produce precision-crushed limestone aggregates in 20+ gradations for road construction, concrete production, and infrastructure projects. Our materials meet strict industry specifications for durability and performance. With portable crushing systems and fixed quarries, we supply consistent quality aggregates across our service region.
Agricultural lime
Our agricultural lime products improve soil pH balance and crop yields for farmers in the Midwest. We supply finely ground limestone that meets USDA-recommended standards for soil enhancement. This essential product supports soybean, corn, and other crop production across three states.
Ready-mix concrete
We entered the ready-mix concrete market in the 1980s to complement our aggregates business. Our concrete products combine locally sourced materials with precise mixing technology to create durable solutions for residential, commercial, and infrastructure applications across our service territory.
Portable crushing operations
Our five portable crushing systems enable on-site material processing at multiple locations. This flexible approach reduces transportation costs and environmental impact while maintaining product quality. We deploy these units strategically based on regional construction demand forecasts.
Construction aggregates
We supply a comprehensive range of construction aggregates including base materials, coarse aggregates, and specialty sands. Our products meet ASTM standards for use in highways, bridges, and commercial developments. We maintain inventory at multiple locations to ensure timely delivery across our three-state region.
Questions
What products does Midwest Minerals offer?
We provide crushed limestone aggregates in 20+ sizes, agricultural lime, ready-mix concrete, and specialized construction materials.
Which areas do you serve?
We serve southeast Kansas, northeast Oklahoma, and southwest Missouri from our Pittsburg, Kansas headquarters.
How long has Midwest Minerals been in business?
We have operated continuously since our founding in 1947 by John and Mary Stark.
What makes your aggregates different?
Our modern crushing equipment and quality control processes ensure consistent gradation and material performance in every load.
Do you offer agricultural lime for farming?
Yes, we produce agricultural lime that meets USDA standards to improve soil pH and crop productivity.
Are portable crushing services available?
We operate five portable crushing systems that can be deployed to meet specific project requirements.
