This letter asks another business to help plan a local promotional event. Be sure to highlight the promotional opportunities for the company.
1234, Main Street
Boston, MA 02123
<Recipient Address Goes Here>
<area of business> businesses have to stick together when it comes to promotions. That's why I'm writing for your assistance. As you may know, <company name> is putting together <event name>, to be held <event date> at <event location>. This will be an opportunity to meet many members of the community and generate a tremendous amount of positive press coverage. That's why we would like to get <other company name> on board as an organizer.
There's a lot to do, but there are also plenty of benefits from being part of <event name>, from great public relations to a lot of fun for your employees. At this point, we're looking for a company that can <describe needed work> If that sounds like something your people can handle, we'd love to have you on board. If you'd like to be part of <event name>, give me a call at <phone number> and let's work out the details. I look forward to working with you and your staff. Thanks!
encl: <List of enclosed items goes here>