This year's Inc. 5000 list of the fastest-growing private companies in America is proof that blistering growth can happen in any industry. That's true even in the country's most famous tech hub. Among this year's honorees, 52 are based in San Francisco, and of those, the fastest-growing companies are a diverse bunch. 


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2019 Inc. 5000 rank No. 448 | Three-year growth 1,015% | 2018 revenue $31.4M

With a client list that includes Under Armour, Twitch, and Stripe, Algolia provides search functionality for apps and websites. The company's continued fast growth has kept it on the Inc. 5000 for the second consecutive year; in 2018 it landed at No. 259. Co-founders Nicolas Dessaigne and Julien Lemoine, who previously both worked in the tech industry in their native France,​ built Algolia around five core values that helped land it on Inc.'s Best Workplaces list in 2018.

Buhler Commercial Construction

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2019 Inc. 5000 rank No. 445 | Three-year growth 1,023% | 2018 revenue $4.1M

Buhler Commercial Construction provides general contracting, design, and renovation services for businesses and municipal projects in the Bay Area. Founded in 2015 by Steve Buhler, the company has worked on corporate offices, hospitals, college campuses, industrial facilities, and city buildings, including the restoration of a former hospital at Angel Island Immigration Station, which had fallen into disrepair and was turned into a museum in 2017.

Kenna Security

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2019 Inc. 5000 rank No. 434 | Three-year growth 1,045% | 2018 revenue $13.2M

In an era when even small businesses must contend with cyber threats, security teams need help deciding what to prioritize. Two-time Best Workplaces honoree Kenna Security created a "Risk Meter" that uses data science to spot vulnerabilities and predict which ones attackers are most likely to exploit. Founded in 2011, the company now has 130 employees and serves such clients as TransUnion, Fannie Mae, and Dow Jones.

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2019 Inc. 5000 rank No. 407 | Three-year growth 1,121% | 2018 revenue $3.6M

To help salespeople be more productive, Groove's software syncs with Salesforce, Gmail, and Google Calendar to streamline tedious tasks like data entry and sending mass emails. The company's three co-founders--Chris Rothstein, Alexander Kerschhofer, and Austin Wang--all worked at Google before starting Groove; now, they count their former employer as a client, along with presentation software provider Prezi and workplace productivity companies Slack and Asana.

Anna Marie Events

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2019 Inc. 5000 rank No. 403 | Three-year growth 1,136% | 2018 revenue $4.1M

Anna Rembold has a fine arts degree and was an administrator at a private equity firm before founding her own event-planning business in 2012. Anna Marie Events plans and manages conferences, cocktail parties, retreats, and other events for companies in the technology, professional services, and financial industries--including major corporations like Samsung and Cisco.


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2019 Inc. 5000 rank No. 351 | Three-year growth 1,302% | 2018 revenue $35.3M

Formerly known as eShares, Carta offers software that aims to help businesses of various sizes--from venture-backed startups to public companies--manage their equity and employee ownership. While its three-year revenue growth slowed from its 2018 showing--when it landed at No. 125 on the Inc. 5000--its success is hard to deny. In May 2019, it reached a $1.7 billion valuation, after raising $300 million in a Series E round led by Andreessen Horowitz.

Domino Data Lab

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2019 Inc. 5000 rank No. 298 | Three-year growth 1,506% | 2018 revenue $11.8M

Tesla, Moody's, and Dell are among the heavy hitters that subscribe to six-year-old Domino Data Lab's open forum, where data scientists can build and run models for organizations in fields ranging from insurance to agriculture to cancer research. Backed by more than $80 million in venture capital, Domino was founded by Nick Elprin, Matthew Granade, and Christopher Yang, who left hedge fund Bridgewater Associates to launch the startup.


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2019 Inc. 5000 rank No. 124 | Three-year growth 2,795% | 2018 revenue $3.5M

Onfleet's software supports "last-mile" logistics for businesses. Its services include an app for delivery drivers, a tracking and notification system for customers, and a dashboard on which managers can dispatch drivers automatically. They can also use the tool to optimize delivery routes to avoid traffic and view performance metrics. Onfleet was founded in 2012 by Khaled Naim, David Vetrano, and Mikel Cármenes Cavia.


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2019 Inc. 5000 rank No. 115 | Three-year growth 3,023% | 2018 revenue $19M

Before creating Copper (formerly known as ProsperWorks), a customer relationship management tool designed to integrate seamlessly with Google's G Suite, co-founders Kelly Cheng and Jon Lee both did stints at Zynga. Cheng had also worked at eBay and 23andMe, and Lee at Yahoo. Copper pitches itself as a user-friendly alternative to Salesforce.

Grove Collaborative

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2019 Inc. 5000 rank No. 87 | Three-year growth 3,665% | 2018 revenue $104.1M

Grove Collaborative is a certified B Corporation that offers subscription boxes filled with ecofriendly household supplies like laundry detergent, paper towels, and toothpaste, as well as products for children and pets. Grove carries popular brands like Dr. Bronner's and Method, as well as its own product lines. Founded in 2012 by Stuart Landesberg, Jordan Savage, and Chris Clark, the company cracked the top 50 with its first appearance on the Inc. 5000 list, coming in at No. 37 in 2018.


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2019 Inc. 5000 rank No. 24 | Three-year growth 7,926% | 2018 revenue $10.5M

Founded in 2015 by James Berdigans, Artis Kehris, and Gatis Dukurs, Printify lets companies sell custom-made T-shirts, mugs, and other merchandise online. It works directly with manufacturers to fulfill those orders. And unlike competitors including Zazzle and CafePress, which cater to end-users through their online platforms, Printify allows sellers to list products in their own e-commerce shops. The No. 1 fast-growing company in San Francisco also boasts a long roster of Silicon Valley investors, including YouTube co-founder Steve Chen and WeWork chief product officer Shiva Rajaraman.