Multiple Internet-based companies are based in San Francisco.
San Francisco is also the headquarters of five major banking institutions and various other companies such as Levi Strauss & Co. , Gap Inc. , Salesforce.com , Dropbox , Reddit , Square , Inc. , Dolby , Airbnb , Weebly , Pacific Gas and Electric Company , Yelp , Pinterest , Twitter , Uber , Lyft , Mozilla , Wikimedia Foundation , Craigslist and Weather Underground .	Salesforce.com	Salesforce.com	Dropbox	Dropbox (service)	Reddit	Reddit	Dolby	Dolby	Airbnb	Airbnb	Weebly	Weebly	Pacific Gas and Electric Company	Pacific Gas and Electric Company	Yelp	Yelp	Pinterest	Pinterest	Twitter	Twitter	Uber	Uber (company)	Lyft	Lyft	Mozilla	Mozilla	Wikimedia Foundation	Wikimedia Foundation	Craigslist	Craigslist	Weather Underground	Weather Underground (weather service)
Airbnb is an online marketplace and hospitality service , enabling people to lease or rent short-term lodging including vacation rentals , apartment rentals , homestays , hostel beds , or hotel rooms .	hospitality service	hospitality service	online marketplace	online marketplace	lodging	lodging	apartment	apartment	hostel	hostel	hotel	hotel
Craigslist -LRB- stylized as craigslist -RRB- is an American classified advertisements website with sections devoted to jobs , housing , personals , for sale , items wanted , services , community , gigs , rsums , and discussion forums .	forums	Internet forum	classified advertisements	classified advertising	personals	personal advertisement	community	community service
Pinterest is a web and mobile application startup that operates a software system designed to discover information on the World Wide Web .	mobile application	mobile application
Reddit -LRB- stylized as reddit , -LSB- rdt -RSB- -RRB- is an American social news aggregation , web content rating , and discussion website .	aggregation	Social network aggregation	social news	social news	rating	rating site	discussion	Internet forum#Discussion
Salesforce.com -LRB- styled in its logo as salesorce ; abbreviated usually as SF or SFDC -RRB- is an American cloud computing company headquartered in San Francisco , California .	cloud computing	cloud computing	San Francisco	San Francisco	California	California
Twitter -LRB- -LSB- twtr -RSB- -RRB- is an online news and social networking service where users post and interact with messages , `` tweets '' , restricted to 140 characters .	news	news	social networking	social networking service	characters	character (computing)
Weather Underground is a commercial weather service providing real-time weather information via the Internet .	weather	weather	weather information	Weather forecasting	Internet	Internet
Weebly -LRB- -LSB- ` wibli -RSB- -RRB- is a web-hosting service featuring a drag-and-drop website builder .	drag-and-drop	drag-and-drop	website builder	website builder
