A great way to gain exposure and provide entertainment is to provide public tours of your facility.
This is especially powerful for agriculture, arts and history, manufacturing; essentially, any place where something is grown, created or built. Try not to schedule such an event around any deadlines or busy periods you might have. Take your time with the tour to ensure your captive audience remains engaged and make sure to tailor your presentation to your audience. A class of first-graders may be more interested in learning how apple cider is made than watching giant steel presses shape red-hot bars into orthopedic implements.
Or, then again, maybe not..