How do I write a letter to local businesses for donations of baskets/goodies for our 135th Alumni Banquet? -

How do I write a letter to local businesses for donations of baskets/goodies for our 135th Alumni Banquet in June 2010. We are looking for baskets/goodies for basket raffle . Our alumni association is a non profit organization, and we have tax exemption EIN # - shall we add it on the letter too? I need help writing one up.

TO WHOM IT MAY CONCERN: (Usually this is to the manager/owner of the local business).We/Our Fraternity are looking for local businesses to donate Baskets/Goodies for our Basket Raffle being held __date______________. We need your help in providing help to the local community. If you are willing to help us, please contact ______the fraternity s name__________ or call (person in charge and phone #). We appreciate your patronage and look forward to seeing you next year. Thanks again,Fraternity NameEIN #Contact person/#You can change this your preference. This is just an idea of how it can be put to look professional.Good Luck