From the TEALS Volunteer FAQ: Is TEALS a Microsoft program? Yes, TEALS operates as a citizenship project within Microsoft. Microsoft is a huge supporter of computer science education, and provides most of the funding for TEALS.
Like Kingsville, TX (534 signers)?
More detail here, which (you're right) should have been linked to in the submission instead of just the static image. My bad.
"The hottest places in Hell are reserved for those who, in times of moral crisis, preserved their neutrality." -- Dante