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About Keys Manufacturing

Keys Manufacturing Company, Inc. offers quality cheese-based animal feed ingredients for the swine and pet industries, as well as all natural USA pig ears for pet treats.


At Keys, we pride ourselves on consistent and quality products with wholesale distribution in the U.S. and internationally.


Founded in 1991 in Paris, Illinois, Keys Manufacturing is a family-owned business with a long-standing commitment to supply quality feed ingredients that are safe and pleasing to our customers.

At Keys, we document, implement, and maintain a Quality Management System to make sure all our products are safe for our customers. We use the principles of Hazard Analysis and Critical Control Point (HACCP) and the Regulatory Agencies that govern its products to improve our food safety system.


To maintain our position as a premier animal feed ingredient and pet treat processor, we know we must meet or exceed our customers' expectations for quality, performance, timeliness, and cost in the products we provide.

Our Keys staff is involved in all aspects of production. They understand our policy, our commitment, and our customers' needs. They are part of our continuous improvement team which feeds off our system reviews.


At Keys, we have established a food safety and quality team, providing them with training and support to enable them to advance the continuous improvement driven by management. The dedication of our staff is a main contributor to our success.

Our Products

Pro 88 ®

Pro 88 is a cheese-based nutritional supplement, attractant, and treat that's economical and reliable.

Kraylets ® 

Kraylets features all the performance advantages of whey in an economical and reliable feed.

Pig Ears

Pets love all-natural USA pig ears, and owners love giving them healthy things to chew.