 When you need any type of medical equipment, tell your doctor that you want to do business with Priority Home Medical Equipment. Owned and operated locally by longtime business owner Tammy Shepard and her family. That's Priority Home Medical Equipment, where dedicated service is their priority. The Oklahoma Cattlemen's Association is a member-led and driven organization with a vision to be the leadership that serves, strengthens, and advocates for the Oklahoma cattle industry. OCA exists to defend the beef cattle industry at our nation's capital, our state legislature, and in the media.