Gluten-Free Certification Organization 31214 - 124 Ave SE Auburn, WA 98092-3667 Phone: 253-218-2956 Fax: 253-833-6675 E-mail: admin@GFCO.org
You may also find answers to frequently asked questions on our FAQ page.
The GF logo stands for the independent verification of quality, integrity, and purity of products.