| | Financial Services | Tysons | VA | > $1B |
| | Computer Software | Waltham | MA | > $1B |
| | Publishing | Cambridge | England | $250 - 500M |
| Cars.comNew Cars, Used Cars, Trucks For Sale, Auto Reviews | Cars.com | Internet | Chicago | IL | > $1B |
| | Internet | Chicago | IL | > $1B |
| | Computer Software | Goleta | CA | $100 - 250M |
| | Computer Software | McLean | VA | $100 - 250M |
| ComputerworldIT news, careers, business technology, reviews | Computerworld | Publishing | Framingham | MA | $10 - 50M |
| | Computer Hardware | Fremont | CA | $50 - 100M |
| CIO OnlineCIO.com - Tech News, Analysis, Blogs, Video | Publishing | Framingham | MA | $250 - 500M |
| | Retail | San Diego | CA | > $1B |
| | Entertainment | Toronto | ON | > $1B |
| | Luxury Goods & Jewelry | Centennial | CO | > $1B |
| | Financial Services | Abbotsford | VIC | > $1B |
| CarTrawlerTravel & Ground Transportation Technology | CarTrawler | Computer Software | Dublin | | $10 - 50M |
| | Retail | Houston | TX | $1 - 10M |
| ClouderaThe modern platform for data management and analytics - Cloudera | Computer Software | Palo Alto | CA | $100 - 250M |
| | Computer Software | Sydney | NSW | $10 - 50M |
| | Computer Software | San Francisco | CA | $1 - 10M |
| | Health, Wellness and Fitness | | | $250 - 500M |
| | Consumer Services | New York | NY | $50 - 100M |
| | Banking | Milano | Lombardia | $10 - 50M |
| CarsDirect.comCars for Sale - Buy a New or Used Car Online - CarsDirect | Automotive | El Segundo | CA | $100 - 250M |
| | Entertainment | New York | NY | |
| CoboneDubai Deals, Coupons & Special Offers | Cobone | Marketing and Advertising | Dubai | Dubai | $1 - 10M |
| ComoComo – Como Sense | Customer Management Solution | Internet | New York | NY | $10 - 50M |
| ChannelAdvisorE-Commerce Solutions & Services for Retailers & Brands-ChannelAdvisor | Computer Software | Morrisville | NC | $100 - 250M |
| ChartbeatChartbeat | Content Intelligence for Publishers | Internet | New York | NY | $1 - 10M |
| CWJobsIT jobs | Permanent & contract IT careers | The UK IT Jobs Board at CWJobs.co.uk | Online Media | London | ENG | $0 - 1M |
| Caring.comSenior Care: Housing, Home Care, Community, Articles | Internet | San Mateo | CA | $1 - 10M |
| ConcurBusiness Travel & Expense Management - Concur | Computer Software | Redmond | WA | > $1B |
| | Computer & Network Security | San Carlos | CA | $250 - 500M |
| CisionPR Software, Marketing, and Media Relations Software and Services | Cision | Public Relations and Communications | Chicago | IL | $100 - 250M |
| | Computer Software | Santa Clara | CA | $50 - 100M |
| | Venture Capital & Private Equity | Exeter | England | $10 - 50M |
| Cappex.comCollege Search & Scholarships: College Decision Resources | Cappex | Internet | Highland Park | IL | $1 - 10M |
| | Internet | New York | NY | $1 - 10M |
| Caterer.comHospitality recruitment at Caterer.com – find hotel, restaurant, chef & bar jobs today | Online Media | WEST HILLS | | $10 - 50M |
| | Internet | London | ENG | |
| | Higher Education | Downers Grove | IL | $100 - 250M |
| | Information Services | Danvers | MA | $100 - 250M |
| | Human Resources | Ho Chi Minh | | $50 - 100M |
| | Internet | West Hollywood | CA | $100 - 250M |
| Corning GroupCorning | Materials Science Technology and Innovation | Glass, Ceramics & Concrete | Corning | NY | > $1B |
| CBOE
CBOE | Chicago Board Options Exchange
| Financial Services | Chicago | IL | $250 - 500M |
| | Online Media | San Francisco | CA | $500M - 1B |
| | Computer Software | San Jose | CA | $10 - 50M |
| CareerCastCareerCast.com | The premier site to find local and niche jobs | Staffing and Recruiting | Carlsbad | CA | $1 - 10M |
| Control4Home Automation and Smart Home Systems | Control4 | Consumer Electronics | Draper | UT | $50 - 100M |
| ClicktaleDigital Customer Experience & Website Analytics: Clicktale | Internet | Ramat Gan | | $10 - 50M |
| | Information Technology and Services | Macquarie Park | NSW | $250 - 500M |
| CareerBuilder
Jobs, Careers and Employment: Vacancies at CareerBuilder
| Staffing and Recruiting | London | | > $1B |
| | Computer Software | Albany | NY | $10 - 50M |
| | Computer Software | San Francisco, CA | | $0 - 1M |
| | Internet | Mountlake Terrace | WA | $1 - 10M |
| CuralateCuralate - Visual Commerce and Marketing Solutions | Internet | Philadelphia | PA | $0 - 1M |
| | Apparel & Fashion | New York | NY | $0 - 1M |
| | Human Resources | Toronto | | $1 - 10M |
| | Computer Software | Campbell | CA | $1 - 10M |
| CakeMail
Cakemail - Email marketing tools for small business
| Marketing and Advertising | Montr??al | QC | $1 - 10M |
| | Nonprofit Organization Management | Washington | DC | $50 - 100M |
| | Telecommunications | Severna Park | MD | $1 - 10M |
| CPP, Inc.
Personality Assessment Inventory & Professional Development | CPP
| Professional Training & Coaching | MOUNTAIN VIEW | CA | $10 - 50M |
| | Legal Services | Wilmington | DE | $250 - 500M |
| | Machinery | Peoria | IL | > $1B |
| | Information Technology and Services | New York | NY | $1 - 10M |
| | Real Estate | New York | NY | $1 - 10M |
| | Online Media | Stockholm-Globen | | $1 - 10M |
| ConductorConductor - Tecnologia em Meios de PagamentoConductor | Information Technology and Services | Sao Paulo | SP | $100 - 250M |
| | Electrical/Electronic Manufacturing | Elmhurst | IL | $500M - 1B |
| | Hospital & Health Care | Lexington | KY | $1 - 10M |
| | Higher Education | Burlington | VT | $100 - 250M |
| | Internet | San Francisco | CA | $10 - 50M |
| | Financial Services | King of Prussia | PA | $250 - 500M |
| | Internet | Portland | OR | $0 - 1M |
| | Computer Software | Santa Monica | CA | > $1B |
| CharitybuzzCharitybuzz: Bid on Amazing Celebrity, Travel, and Sports Auctions | Internet | New York | NY | $1 - 10M |
| CORTHome and Office Furniture Rental | CORT Furniture | Furniture | Chantilly | VA | $500M - 1B |
| COTOPAXI
Cotopaxi - Gear For Good | Free shipping on orders $50+
| Retail | Cottonwood Heights | UT | $0 - 1M |
| CiberIT Consulting | Managed Services | IT Application Development | IT Outsourcing | Information Technology and Services | Greenwood Village | CO | > $1B |
| | Hospitality | Voorschoten | | $100 - 250M |
| | Computer Software | San Mateo | CA | $10 - 50M |
| | Computer Networking | Boise | ID | $250 - 500M |
| CoreHRCoreHR - HR Software & HR Solutions from CoreHR | Computer Software | Ballincollig | Co. Cork | $10 - 50M |
| CloudShareCloud Test Labs & Cloud Computing Services - CloudShare | Computer Software | San Mateo | CA | $0 - 1M |
| CVTipsResumes, CV writing, CV samples, and Cover letters - CVtips.com | Accounting | McNair | VA | $0 - 1M |
| CurebitTalkable: Referral Marketing Made Easy | Refer-A-Friend programs, Referral Platform | Internet | San Francisco | CA | $1 - 10M |
| CSS CorpPremier Technology Support for Enterprises, Products and Infrastructure | Information Technology and Services | San Jose | CA | > $1B |
| | Financial Services | Newport Beach | CA | $0 - 1M |
| | Nonprofit Organization Management | Boston | MA | > $1B |
| | Computer & Network Security | Ashburn | VA | $1 - 10M |
| Cogeco Peer 1Cloud Hosting | Managed Hosting | Cogeco Peer 1 Canada | Information Technology and Services | Toronto | Ontario | |
| | Human Resources | Pozuelo de Alarc?3n | | > $1B |
| CyberArkCyberArk | Security for the Heart of the Enterprise | Computer Software | Newton | MA | $50 - 100M |
| ControlScanManaged Security Services Provider | IT Security & PCI Compliance | Computer & Network Security | | | $1 - 10M |
| ChemAxonChemAxon – Software for Chemistry and Biology | Computer Software | Budapest | Budapest | $0 - 1M |
| Communicator.
Strategic Email Marketing Service Provider | Communicator
| Marketing and Advertising | Newcastle-upon-Tyne | Tyne & Wear | $1 - 10M |
| | Airlines/Aviation | Duluth | MN | $10 - 50M |
| | Computer Software | Vancouver | BC | $1 - 10M |
| CivicSolarCivicSolar | Solar Expertise. Delivered Daily. | Renewables & Environment | Oakland | CA | $50 - 100M |