The National Hay Association was formed in the United States in 1895, with membership made up of producers, dealers, brokers and representatives of related industry dedicated to the development and maintenance of quality hay and improved marketing practices. The organization currently has over 500 active members.

Hay-making capitals

• Big Cabin, Oklahoma from 1883 until 1910
• Gilbert, Arizona, 1911 until the late 1920s
• Yates Center, Kansas
• Inola, Oklahoma
• Gayville, South Dakota