|Type||Agricultural marketing cooperative|
|Washington, Oregon, Idaho, California, Utah, Nevada, and Hawaii|
Northwest Dairy Association (formerly the Northwest Dairymen's Association; Trading as Darigold, Inc.) is an American dairy agricultural marketing cooperative. Headquartered in Seattle, Washington, it is owned by about 350 dairy farm members of the association located in Washington, Oregon, Idaho, and Montana.
The cooperative was founded in 1918 as the United Dairymen's Association, and it bought the Consolidated Dairy Products Company in 1930. A contest among dairy families produced the cooperative's brand name, "Darigold" in 1920. In 1999, the cooperative, in an effort to improve its marketing position, changed its name to Northwest Dairy Association, while changing the corporate name to WestFarm Foods. In 2006, the corporate name returned to Darigold. In 2010, the cooperative merged with the Montana dairy cooperative Country Classic. The co-op's annual sales are over $2.0 billion, and production is over 8,600,000,000 pounds (3.9×109 kg) of milk a year. In August 2003, Darigold locked out their union in one production facility. Workers in that facility continue to be represented by a union, as are employees in most Darigold production facilities. 
In June 2021, Darigold announced plans to build a multi-million production facility in Pasco, Wash. that represents significant investment in climate-friendly modernization. The co-op began 2022, sharing details of a leadership transition with Stan Ryan, its CEO of six years, announcing his retirement and Darigold executive Joe Coote named CEO.
- "Contact". Darigold. Retrieved 2 June 2019.
- Ferrendelli, Betta. Darigold milks its rich history for all it's worth. Puget Sound Business Journal. 25 June 1999.
- Business Wire (2006-07-11). "Darigold, Inc. Retires Its Name WestFarm Foods". Business Wire. Retrieved 2013-05-08.
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- "Darigold announces merger with Montana co-op". Magicvalley.com. Associated Press. 2010-08-10. Retrieved 2013-05-08.
- "NDA: About Us". Nwdairy.coop. 2010-07-30. Retrieved 2013-05-08.
- AP Darigold labor strife might expand. Kitsap Sun 12 August 2003.
- Culverwell, Wendy (2021-07-15). "Darigold picks Pasco for $500M plant". Tri-Cities Area Journal of Business. Retrieved 2022-09-09.