| | Retail | Caracas | | $500M - 1B |
| | Internet | Weston | MA | $500M - 1B |
| | Retail | Buenos Aires | | $500M - 1B |
| Marketo, Inc.Best-in-Class Marketing Automation Software - Marketo | Computer Software | San Mateo | CA | $100 - 250M |
| | Retail | So Paulo | So Paulo | > $1B |
| | Internet | osasco, sao paulo | | |
| | Internet | | | |
| MagentoMagento: eCommerce Platforms, software, and solutions for selling online | Internet | Culver City | CA | $100 - 250M |
| | Computer Networking | San Francisco | CA | $10 - 50M |
| | Airlines/Aviation | Kuala Lumpur | Selangor | > $1B |
| MOOMOO | Custom Online Business Printing & Design | MOO (United States) | Printing | London | England | $100 - 250M |
| Media TempleWeb Hosting | Reliable Hosting Services | Media Temple | Internet | Culver City | CA | $1 - 10M |
| Military.comMilitary and Veteran Benefits, News, Veteran Jobs | Military.com | Online Media | San Francisco | CA | $10 - 50M |
| | Retail | London | England | $100 - 250M |
| Mind ToolsManagement Training and Leadership Training - Online | E-Learning | London | | $1 - 10M |
| MyUS.comGet a MyUS Address | Shop US Brands & Ship Internationally | Consumer Services | Sarasota | FL | $50 - 100M |
| MovotoReal Estate, Homes for Sale, MLS Listings - Movoto | Real Estate | San Mateo | CA | $1 - 10M |
| | Internet | San Francisco | CA | $10 - 50M |
| | Marketing and Advertising | Tel Aviv-Yafo | Tel Aviv District | $100 - 250M |
| | Retail | Docklands | VIC | > $1B |
| | Financial Services | Tokyo | | > $1B |
| MuleSoftMuleSoft | Integration Platform for Connecting SaaS and Enterprise Applications | Computer Software | San Francisco | CA | $1 - 10M |
| MavenlinkOnline Project Management Software | Mavenlink | Information Technology and Services | Irvine | CA | $1 - 10M |
| MarketingProfsMarketing Professionals, Modern Marketing Tools - MarketingProfs | Publishing | Los Angeles | CA | $1 - 10M |
| | Computer Software | Espoo | Uusimaa | $10 - 50M |
| MatterportImmersive 3D for the Real World | Matterport | Computer Software | Mountain View | CA | $1 - 10M |
| | Consumer Electronics | Makati City | Manila | $0 - 1M |
| mophiemophie: Battery Phone Cases, External Battery Packs & More - mophie | Consumer Electronics | Tustin | CA | $100 - 250M |
| MicroStrategy
Business Intelligence Software and Data Analytics | MicroStrategy
| Computer Software | Tysons | VA | > $1B |
| MobFoxMobFox - Mobile monetization and mediation platform, Mobile SSP | Marketing and Advertising | Vienna | Vienna | $1 - 10M |
| MakerBot??Connected 3D Printing Solutions | MakerBot | Consumer Electronics | Brooklyn | NY | $500M - 1B |
| | Publishing | Des Moines | IA | > $1B |
| | Oil & Energy | Sydney | NSW | > $1B |
| | Legal Services | New Providence | NJ | $100 - 250M |
| | Automotive | Modena | Emilia-Romagna | > $1B |
| | Internet | North Adams | MA | $1 - 10M |
| ManpowerJobs, career resources, education | Find it at Manpower | Staffing and Recruiting | Milwaukee | WI | > $1B |
| MOXA
Moxa - Your Trusted Partner in Automation
| Industrial Automation | Brea | CA | $50 - 100M |
| MylanMylan – Seeing Is Believing | Pharmaceuticals | Canonsburg | PA | > $1B |
| | Information Technology and Services | London | England | $50 - 100M |
| | Sports | Haarlem | - | $10 - 50M |
| | Consumer Goods | | Saint Peter Port | $10 - 50M |
| MetroFax
Internet Fax Service – Email & Online Fax Services from MetroFax
| Internet | Bellevue | WA | $1 - 10M |
| MozyOnline Backup, Cloud backup, and Data Backup Solutions | Mozy | Computer Software | Pleasant Grove | UT | $10 - 50M |
| | Semiconductors | Sunnyvale | CA | $50 - 100M |
| MSC SoftwareMSC Software Corporation | Simulating Reality, Delivering Certainty | Computer Software | Newport Beach | CA | $250 - 500M |
| MegaPathMegaPath Business Phone & Internet - Connect Your Business | Telecommunications | Pleasanton | CA | $500M - 1B |
| | Building Materials | Eagan | MN | $250 - 500M |
| | Luxury Goods & Jewelry | Chilcompton | England | $250 - 500M |
| | Marketing and Advertising | New York | NY | $0 - 1M |
| | Automotive | Altona North | Victoria | $100 - 250M |
| | Information Technology and Services | Mountain View | CA | $1 - 10M |
| | Marketing and Advertising | Los Angeles | CA | $0 - 1M |
| | Consumer Goods | Las Vegas | NV | $500M - 1B |
| | Internet | Conshohocken | PA | $1 - 10M |
| MDVIPMDVIP | Wellness Plan | Find a Doctor | Health, Wellness and Fitness | Boca Raton | FL | $50 - 100M |
| | Computer Software | | | > $1B |
| | Electrical/Electronic Manufacturing | Fairfield | NJ | $50 - 100M |
| | Pharmaceuticals | Darmstadt | | > $1B |
| MixRankMixRank - Data-driven sales and marketing | Computer Software | San Francisco | CA | $1 - 10M |
| | Consumer Services | West Chester | OH | $10 - 50M |
| | Education Management | Los Angeles | CA | $500M - 1B |
| | Utilities | Madison | WI | $500M - 1B |
| MbloxWorld's Leading SMS / MMS API Provider - Mblox | Telecommunications | Sunnyvale | CA | $250 - 500M |
| | Entertainment | West Hollywood | CA | $100 - 250M |
| | Real Estate | Kirkland | WA | $50 - 100M |
| MKB ServicedeskMKB Servicedesk : Helpdesk voor ondernemers, starters en zzp'ers | Publishing | Utrecht | Utrecht | $1 - 10M |
| | Computer Software | Washington | DC | $50 - 100M |
| | Higher Education | | | $100 - 250M |
| | Education Management | Manukau | Auckland | $0 - 1M |
| MicroMentorFree Business Mentoring Program | MicroMentor | Professional Training & Coaching | Portland | OR | $0 - 1M |
| MBO PartnersIndependent Consultant Services & Contractor Management Services | MBO Partners | Financial Services | Herndon | VA | $50 - 100M |
| | Hospital & Health Care | Charlottesville | VA | $1 - 10M |
| | Publishing | Los Angeles | CA | $0 - 1M |
| MovingaIhr Umzugsunternehmen für reibungslose Umzüge | Movinga | Logistics and Supply Chain | | | |
| | Computer Software | Bountiful | UT | $0 - 1M |
| | Real Estate | Ottawa | ON | $500M - 1B |
| | Executive Office | Tel aviv | Israel | $0 - 1M |
| Masergy
Masergy | Transforming Enterprise IT
| Information Technology and Services | Plano | TX | $250 - 500M |
| MedReps.com
Medical Sales & Medical Representative Jobs from MedReps
| Staffing and Recruiting | Alpharetta | GA | $10 - 50M |
| MELEXISSemiconductor Solutions - Inspired Engineering | Melexis | Semiconductors | | | $0 - 1M |
| | Information Technology and Services | Reston | VA | $10 - 50M |
| Mr. HandymanProfessional Handyman Services & Repairs | Mr. Handyman | Construction | Ann Arbor | MI | $0 - 1M |
| | Telecommunications | Enfield | England | $250 - 500M |
| MedecisionProven?Population Health Management Solutions | Medecision | Computer Software | Wayne | PA | $10 - 50M |
| | Financial Services | Redwood City | CA | $50 - 100M |
| MindTouchMindTouch |?Next Gen Help Content Software for Customer Success | Information Technology and Services | San Diego | CA | $10 - 50M |
| MedrioeClinical & Electronic Data Capture in the Cloud | Medrio | Computer Software | San Francisco | CA | $1 - 10M |
| | Design | Eden Prairie | MN | $500M - 1B |
| | Internet | New York | NY | $10 - 50M |
| | Higher Education | OKLAHOMA CITY | OK | $1 - 10M |
| | Food & Beverages | San Antonio | TX | $10 - 50M |
| | Higher Education | Bethlehem | PA | $100 - 250M |
| | Computer Software | Or Yehuda | Tel Aviv District | $50 - 100M |
| | Information Technology and Services | Minato-ku, Tokyo | | |
| Masterkey SystemsReal Estate CRM | Real Estate Management Software Dubai UAE | Masterkey | Information Technology and Services | Dubai | | $10 - 50M |
| | Philanthropy | Toronto | ON | $10 - 50M |
| | Information Technology and Services | Hatboro | PA | $1 - 10M |
| MIR3Mass Notification & Emergency Notification Software | MIR3, Inc. | Computer Software | San Diego | CA | $10 - 50M |
| | Real Estate | Chicago | IL | $1 - 10M |