About Ridley

Ridley Feed Ingredients has a long history of providing research-based nutrition products and innovative support services. We are driven to provide our customers with products and answers that will improve their profitability, increase their competitive advantage, reduce their risk and simplify their lives.

Ridley joined the Alltech family in 2015. Alltech’s endeavors are guided by the ACE principle, a promise that in doing business we have a positive impact on the Animal, the Consumer and the Environment.

Through nutrition and scientific innovation, we are committed to improving the value and quality of feedstuffs, providing a nutritional platform for animals to achieve their inherent genetic potential and, ultimately, supporting producers as they deliver safer and more nutritious food to the consumer. We strive to offer our customers more competitively priced and resourced micro ingredients, vitamin and mineral premixes and feed additives.

Plant Location

Ridley Feeds location


1609 1st Ave.
PO Box 110
Mendota, IL, 61342

Quality Assurance & Food Safety

Ridley Feed Ingredients is certificated in several quality and food safety standards including FSMA Readiness, HACCP, NASC and the Canadian Ractopamine-Free Pork Certification Program. We also maintain quality principles through our parent company’s quality program, AQS (Alltech Quality System). To maintain these certifications and quality principles, we are subject to audits by both the FDA and other auditing firms along with internal auditing for compliance.

Elements of our Quality and Food Safety Program as listed below assure our customers that products manufactured at RFI are safe for animal consumption.

Food and Drug Administration’s regulation (FDA 21 CFR 589.2000/289.2001, FDR 21 225 & 226)

Hazard Analysis & Preventive Controls

Compliant CGMP Program

Plant Security & Visitor Policy

Employee Training and Assessment

Supplier Approval Program

Prior Load, Receiving & Delivery Procedures

Housekeeping Program

Pest Control Program

Premise Control

Preventative Maintenance Program
Scale & Equipment Calibration Program

Formula & Label Verification

Process Control Documented

Lab Analysis Ingredient & Finished Product

Biosecurity Program

Traceability & Recall Procedures

Corrective & Preventative Action

Documented Customer Complaint Process

Document Control Procedures

Internal Quality Audits

FDA’s Food Facility Registration

Dedicated Non Medicated and Medicated Production Lines


The Ridley Feed Ingredients plant in Mendota, Illinois has provided nutrition products and programs to producers of meat, milk and eggs for more than 40 years. We strive to offer our customers more competitively priced and resourced micro ingredients, vitamin and mineral premixes and feed additives.


To download Alltech's complete Anti-Slavery and Human Trafficking Statement 2024 (PDF), click here.