The Top 50 Private Titans
Inc.’s second annual list of America’s most dynamic nonpublic companies.
AdRoll
Founded in 2007. A.I.powered advertising and marketing firm.
Airbnb
Founded in 2008. Rents short-term stays in privately owned homes and apartments.
Apptio
Founded in 2007. Provides SaaS-technology business management.
BeyondTrust
Founded in 2003. Provides universal privilege management for data security.
Bird Rides
Founded in 2017. Electric scooter rideshare startup.
Cohesity
Founded in 2013. Data-center, cloud, and infrastructuremanagement firm.
Coinbase
Founded in 2012. Transaction and storage platform for digital currencies.
CSS Corp
Founded in 1996. IT services and tech support company.
C3 IoT
Founded in 2009. Uses A.I. to do predictive maintenance for a wide range of industries.
DataRobot
Founded in 2012. Machine learning platform that uses A.I. to build predictive models.
DataStax
Founded in 2010. Distributed database management built on Apache Cassandra.
DigiCert
Founded in 2003. Cybersecurity, including secure socket layers (SSLs).
DoorDash
Founded in 2013. Online restaurant delivery service.
Druva
Founded in 2008. Delivers data protection and management for the cloud era.
ECi Software Solutions
Founded in 1999. Business management software for SMEs.
Extreme Reach
Founded in 2008. Ad technology and creative management platform.
Fractal Analytics
Founded in 2000. Applies A.I. to improve outcomes in medicine, investing, etc.
GlobalLogic
Founded in 1998. Designs apps and graphical user interfaces.
GlobalTranz
Founded in 2003. Third-party logistics and supply chain management.
Grove Collaborative
Founded in 2012. DTC seller of sustainable health and personal care products.
Houzz
Founded in 2011. Home remodeling and decoration website.
Instacart
Founded in 2012. Grocery delivery company.
Integral Ad Science
Founded in 2009. Advertising analytics to measure effectiveness and prevent fraud.
Internet Brands
Founded in 1998. Manages a portfolio of websites in travel, autos, health, and legal.
InVisionApp
Founded in 2011. Operates a platform for ideation, design prototyping, and design management.
Ivalua
Founded in 2000. Cloudbased spend-management platform.
Keap
Founded in 2001. Sales, marketing, and CRS for small businesses.
MediaMath
Founded in 2007. Platform for digital advertising buys.
Mediaocean
Founded in 2006. Advertising software that manages planning, buying, and selling.
MetricStream
Founded in 1999. Develops governance, risk, and compliance (GRC) apps.
Modernizing Medicine
Founded in 2010. Creates and manages electronic health records for specialists.
OpenDoor Labs
Founded in 2013. Buys and sells homes via an online real estate brokerage.
OutSystems
Founded in 2001. Builder of “low-code” open-source applications.
Payoneer
Founded in 2005. Runs a cross-border payments platform.
Relativity
Founded in 2001. Extracts knowledge from massive, unrelated databases.
Remitly
Founded in 2011. Operates in the consumer finance industry.
Roblox
Founded in 2004. Crowdsourced video game platform.
Rubrik
Founded in 2014. Wrangles diverse data across data centers and in the cloud.
Seismic Software
Founded in 2011. Operates a sales-enablement platform.
Sumo Logic
Founded in 2010. Runs a continuous intelligence platform for IT apps.
TaskUs
Founded in 2008. Customer service outsourcer.
Topgolf
Founded in 2000. Combination driving range, sports bar, and restaurant.
WalkMe
Founded in 2011. Sells SaaS that helps companies adapt new software or websites.
WebPT
Founded in 2006. A webbased EMR for physical and occupational therapists.
WeddingWire
Founded in 2007. Online portal for wedding planning.
Workfront
Founded in 2001. Enterprise software for work and project management.
WP Engine
Founded in 2010. Online hosting company focused on WordPress sites.
Wrike
Founded in 2003. Collaborative work-management platform.
Xactly
Founded in 2005. Sales performance-management platform.
Zeta Global
Founded in 2001. Digital marketer whose advertising database is topped only by Amazon’s and Google’s.