[vitd]

There are a number of companies set up specifically to help with matching grants. See Benevity, Double the Donation, etc.

https://www.benevity.com https://doublethedonation.com

EDIT: They generally keep lists of charities that most companies find acceptable to donate to.

[protomyth]

The first one has certificate problems and the second doesn't provide a customer list (probably a good thing). I was specifically asking if Apple had a list of charities that it found acceptable for matching donations.