The L.A. County Fair offers Corporate Partners high-impact sponsorship programs designed to reach a targeted audience through a variety of marketing elements such as signage, media, etc. If you are interested in being a sponsor of the #1 County Fair in the nation, please fill out the form below and click submit. Thank you for your interest in the L.A. County Fair. Note: This form is for companies interested in advertising their product or service at the L.A. County Fair. If you would like to send comments, questions, or feedback about the site, please use our general feedback page.