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Atherstone Foods Inc. dba Glass Onion Catering


Glass Onion has been a trusted name in California fresh food production since 1990. The company started as a gourmet caterer, providing an array of handcrafted delivered meals, and full-service events. As the company grew, the focus shifted to pre-packaged grab and go and food service solutions. Glass Onion currently produces thirty thousand pre-packaged items for numerous customers and distributors daily. The heart of the endeavor, however, has remained the same creating artisan food using the best local ingredients, prepared in-house. Food safety and quality control take center stage with a full time staff of trained professionals, The company is housed in a 40,000 square foot USDA, FDA. CDPH, SQF Level 2
facility in Richmond, California.

Contact Information

  • Contact Name: Sarina Rachmann
  • Phone: 510-236-3500
  • Email:
  • Address: 200 West Ohio , Richmond, CONTRA COSTA, California 94804, US

CCOF Programs

  • Certification: USDA NOP
    Status: Certified
    Date: December 7, 2020
  • Certification: Handling
    Status: Certified
    Date: January 7, 2021

Client Code