<Humor> Go into downtown LA and mug a bunch of people. Or have your bot mug people
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Or don't...
However, if I am correct there are quite a few corp HQ's in and around LA. Look at the highrise buildings with the company names on them. Go to their website or call them up. I am sure that even if they are not the HQ's that they still have community funds to give out!
And don't limit yourself to medium-large companies. Some of our best sponsors are hole-in-the-wall places. They like what we do and they help us!