This is an open source list of technology companies, startups, nonprofits and digital agencies that have physical offices in San Francisco. It is not comprehensive but it is updated regularly and PRs are welcome. Data is available as a comma separated values (csv) file or markdown table. The goal of collecting this data is to build a mapping application that let's users easily browse and discover companies in the city. If you like this repo be sure to also check out WhoIsHiring.io for map of companies from around the world hiring right now.