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Oliver Manufacturing

Advanced Gravity Separation Technology Since 1932
With 90 years in the business, Oliver has become one of the top brands in the material Processing Solutions Industry. Oliver Is the leading US- based manufacturer of equipment for processing and refining flowing solids of all kinds. With a wide range of products, Oliver and Cal Mill have all of the processing equipment and expertise you will ever need.

WHY OLIVER MANUFACTURING?

Oliver Manufacturing is a world leader in gravity separation technology, providing advanced equipment that helps businesses improve product quality, increase yield, and maximize profitability. Since 1932, Oliver has specialized in designing and manufacturing gravity separators and seed processing equipment used by agricultural producers, seed companies, food processors, recycling facilities, and industrial manufacturers worldwide.

With more than 90 years of experience, Oliver has built a reputation for innovation, reliability, and engineering excellence. Their solutions help customers separate materials based on density differences, ensuring higher-quality products and more efficient processing operations.

INDUSTRY-LEADING SEPARATION SOLUTIONS

Oliver Manufacturing is best known for its gravity separators, which are designed to separate products based on weight, density, and specific gravity characteristics. These systems effectively remove damaged, immature, insect-infested, or defective materials while retaining the highest-quality product.

In addition to gravity separators, Oliver offers a range of seed cleaning, grain processing, recycling, and material recovery equipment that helps organizations optimize production efficiency and product consistency. Their equipment is engineered to deliver precise results while maintaining high throughput and operational reliability.

INNOVATION AND ENGINEERING EXPERTISE

Innovation has been a driving force behind Oliver Manufacturing’s success for decades. The company continuously develops advanced separation technologies that improve sorting accuracy, increase recovery rates, and reduce waste. Their engineering teams work closely with customers to customize equipment configurations that meet specific product and processing requirements.

By combining proven gravity separation principles with modern engineering and manufacturing techniques, Oliver delivers solutions that help businesses improve product value while lowering operating costs.

SERVING DIVERSE INDUSTRIES

Oliver Manufacturing serves a wide range of industries including seed processing, grain handling, coffee processing, nut processing, food manufacturing, recycling, mining, and industrial material recovery. Their equipment is used to separate and upgrade products such as seeds, grains, beans, coffee, nuts, plastics, glass, minerals, and other bulk materials.

Whether improving seed quality, increasing grain value, recovering recyclable materials, or enhancing food product consistency, Oliver solutions help customers achieve higher levels of performance and profitability.

QUALITY, RELIABILITY, AND CUSTOMER SUPPORT

Quality remains at the core of Oliver Manufacturing’s operations. Every machine is built using durable materials, precision manufacturing processes, and rigorous quality standards to ensure long-term performance in demanding environments.

Supported by experienced engineers, technical specialists, and a global network of partners, Oliver provides comprehensive customer support from equipment selection and installation through training and ongoing service.

By combining decades of expertise, innovative technology, and a commitment to customer success, Oliver Manufacturing continues to be a trusted partner for organizations seeking advanced gravity separation and material processing solutions. Their focus on precision, efficiency, and quality helps customers achieve better products, improved yields, and sustainable operational growth.

INTERESTED IN THIS PARTNER?

Contact Cal Mill Equipnment to discuss how we can work for your operation