Center for Humane Technology — Headquarters: San Francisco, CA

Note: The provided excerpt from the Center for Humane Technology's website contains information about their mission, work areas, and impact, but does not include any mention of their headquarters location. While the claim states San Francisco, CA as the headquarters, the source text does not address this specific factual claim. To verify this claim, additional sources (such as an 'About Us' page, contact information, or organizational registration documents) would be needed.