| | Real Estate | Seattle | WA | $500M - 1B |
| ZipRecruiterJob Search - Millions of Jobs Hiring Near You | ZipRecruiter | Internet | Santa Monica | CA | $100 - 250M |
| zanox
The leading affiliate marketing network in Europe – zanox.com
| Marketing and Advertising | Berlin | | $100 - 250M |
| | Banking | Salt Lake City | UT | $250 - 500M |
| ZmagsContent Creation + Shoppable Digital Experience Platforms | Zmags | Computer Software | Boston | MA | $10 - 50M |
| ZimbraThe World’s Leading Open Source Email Collaboration Solution - Zimbra | Computer Software | Palo Alto | CA | $100 - 250M |
| ZuoraSubscription Billing, Commerce & Finance Solutions - Zuora | Internet | Foster City | CA | $100 - 250M |
| | Telecommunications | Rochdale | | $250 - 500M |
| ZebestofBienvenue chez Zebestof, le trading desk nouvelle g??n??ration | Marketing and Advertising | Paris | IDF | $1 - 10M |
| ZopaSimple loans & smart investments | Zopa.com | Financial Services | London | England | $50 - 100M |
| | Consumer Goods | Scotts Valley | CA | $10 - 50M |
| | Information Services | Miami | FL | $10 - 50M |
| ZocprintZocprint: Gr??fica Online & Produtos Personalizados | Printing | Sao Paulo | SP | $1 - 10M |
| ZywaveInsurance Broker Software | Zywave Top Solutions for Insurance Agencies | Computer Software | Wauwatosa | WI | $10 - 50M |
| | Real Estate | Seattle | WA | $500M - 1B |
| | Computer Software | | | |
| ZertoZerto: Disaster Recovery (DR) & Virtual Data Replication Software | Computer Software | Boston | MA | $0 - 1M |
| Zesty Inc.San Francisco Catering | Corporate and Office Bay Area Catering | Zesty | Food & Beverages | San Francisco | CA | |
| ZephyrSoftware Testing Tools & Test Management Software | Zephyr | Computer Software | Newark | CA | $1 - 10M |
| ZintroZintro - The Project & Job Platform for Experts | Information Services | Waltham | MA | $1 - 10M |
| Zimmer BiometJoint Replacement | Orthopaedic Devices | Hip | Knee | Shoulder | Medical Devices | Warsaw | IN | |
| ZoozZooz - Maximizing Payments Performance | Financial Services | New York | NY | $1 - 10M |
| ZeroFOXSocial Media Security & Threat Intelligence | ZeroFOX | Computer & Network Security | | | $1 - 10M |
| | Computer Software | Branchburg | NJ | $0 - 1M |
| | Financial Services | North Sydney | NSW | > $1B |
| Zaius, Inc.Zaius | The B2C CRM | Still Running Your Business On An ESP? | Computer Software | Cambridge | MA | $1 - 10M |
| ZentrickMake every video ad count | Zentrick | Marketing and Advertising | | | $1 - 10M |
| ZappiStoreZappiStore: Automated Market Research with Online Surveys | Market Research | London | | $1 - 10M |
| ZincZinc: Secure Mobile Communication for Deskless Workers | Computer Software | San Francisco, CALIFORNIA | | |
| | Telecommunications | Sydney | NSW | $10 - 50M |
| | Hospital & Health Care | San Francisco | CA | $0 - 1M |
| ZiftenZiften for Endpoint, Server, & Cloud Security | Information Technology and Services | | | $0 - 1M |
| | Health, Wellness and Fitness | Chicago | IL | $0 - 1M |
| | Information Technology and Services | Ashburn | VA | $1 - 10M |
| | Computer Software | | | $0 - 1M |
| | Information Technology and Services | S?o Paulo | S?o Paulo | $10 - 50M |
| | Computer & Network Security | San Jose | CA | $0 - 1M |
| | Computer Software | LEWISVILLE | TX | $1 - 10M |
| Zinfra GroupZinfra - A leading engineering and service provider to the utility infrastructure sectors. | Construction | Zinfra, ZNX | | $500M - 1B |
| | Financial Services | | | $1 - 10M |
| | Information Technology and Services | Montevideo | | $0 - 1M |
| | Internet | Ottawa | ON | $1 - 10M |
| | Hospital & Health Care | Zeeland | MI | $50 - 100M |
| Zettaset
Big Data Security, Encryption, Access-Control, Authentication | Information Technology and Services | Mountain View | CA | $1 - 10M |
| | Management Consulting | | | $0 - 1M |