It has to be the Company in charge of the show! It is always the Company that is making the payment to the recipient who won the prize that is required to issue the 1099-Misc.
Further, it is mandatory to issue a 1099-Misc if the amount of the payment exceeds $600!
I don't think that there is a specific mention of this in the IRS publication, but you can refer to the following IRS publication for more general information on this subject matter!