This letter informs customers and colleagues that your company will be taking part in a job fair. This is a great opportunity for some positive PR.
1234, Main Street
Boston, MA 02123
<Recipient Address Goes Here>
In another example of how Abc Company is working to be an important part of the community, we are announcing our participation in the <event name> on <event date and time> at <event location>.
This will be an opportunity for adults and students from around the <name of region> to meet Abc Company executives, learn about the company and find out what careers are available in the <name of your industry> We hope to see you at the <event name> soon. Make sure you tell us who you are, and we'll answer any questions you might have. See you soon!
encl: <List of enclosed items goes here>