Australian Certified Organic : ACO Certification Ltd (Previously Australian Certified Organic) is Australia's largest certifier for organic and biodynamic produce and has over 2000 operators within its certification system. ACO provides certification services to operators from all sectors of the organic industry. Certification ensures compliance with national and international production standards and allows trace back of all products to their origin. Australian Certified Organic (ACO) is Australia's largest certifier for organic and biodynamic produce and has over 1500 operators within its certification system. ACO is a fully-owned subsidiary of Biological Farmers of Australia (BFA) ACO provides certification services to operators from all sectors of the organic industry. Certification ensures compliance with national production standards and allows trace back of all products to their origin.

Food and Agriculture Organization of the United Nations : They have a organic food section on their website.

IFOAM : IFOAM is the worldwide umbrella organization for the organic movement, uniting more than 750 member organizations in 108 countries. Organic trade is a rapidly growing reality all over the world. The growth rates of the organic sector demonstrate that organic products are moving from the niche and entering mainstream markets. The total land under certified organic production worldwide has reached over 26 Million hectares. IFOAM is at the center of this development. You can find training from IFOAM at http://www.ifoam.org/training

The National Organic Program :  part of the Agricultural Marketing Service at the USDA (United States Department of Agriculture).

Organic.org : Their mission is to educate people on the benefits of organic agriculture, food and products. With an increasingly crowded marketplace of organic goods, it is crucial to understand what the word 'organic' means, what type of products are available, the significance of purchasing them, and finally, how someone with little knowledge about organics can begin to take steps towards an organic lifestyle. Organic.org strives to make organic education easy
and fun!

Organic Certification, Trade Asscociation, Education & Outreach, Political Advocacy (CCOF): CCOF promotes and supports organic food and agriculture through a premier organic certification program, trade support, producer and consumer education and political advocacy. From apples to zucchini, from almonds to wine, CCOF is involved in every facet of organics, with over 750 different organic crops and products, including livestock, processed products and services. CCOF provides certification services to all stages of the organic food chain from farms to processors, restaurants and retailers. CCOF certifies to the USDA National Organic Program standards and CCOF international standards.

Organic Exchange is a 501(C)(3) charitable organization committed to expanding organic agriculture, with a specific focus on increasing the production and use of organically grown fibers such as cotton. Their long term goal is to grow the amount of certified organic land farmed for fiber production by 50% per year. Achieving this goal will allow organic farmers to have a positive, significant, visible and measurable impact on the world.. To support these efforts, they bring together brands and retailers with their business partners, farmers and key stakeholders to learn about the social and environmental benefits of organic agriculture, and to develop new business models and tools that support greater use of organic inputs. In addition, they raise consumer awareness about the value of organic farming and the availability of products containing organic cotton.

Organic Trade Association (OTA) is a membership-based business association that focuses on the organic business community in North America. OTA's mission is to promote and protect the growth of organic trade to benefit the environment, farmers, the public and the economy.