Hi Kimberly, We are a little too small to accommodate corporate groups, so we don't do it often, however, we have been able to accommodate a few on a case by case in the past. We have asked for a donation and I absolutely think it is ok to do so. Most of the time corporate groups that are volunteering have funds set aside for that. If you have the ability to accommodate groups of that size, I would recommend coming up with a charge/fee structure. You could either structure it by group size or per
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