| McLeod Physician Associates II | US | Healthcare | 1 |
| McMenamins, Inc. | US | — | 2 |
| McMillan Electric Company | US | — | 1 |
| McMillan Metro, P.C. | US | — | 1 |
| McMurry University | US | — | 1 |
| McNair & Company | US | — | 1 |
| McNall & Associates, P.C. | US | — | 1 |
| McNeese State University | US | — | 1 |
| McNeil & Company Inc. | US | — | 1 |
| McNeill Baur PLLC | US | — | 1 |
| McPherson College | US | — | 1 |
| McPherson Hospital, Inc. | US | — | 1 |
| MCS, P.C. | US | Healthcare | 1 |
| McSweeney & Ricci | US | — | 1 |
| MD Now Medical Centers, Inc. | US | — | 1 |
| MDLand International Corporation | US | Healthcare | 1 |
| Mead Johnson & Company, LLC | US | — | 1 |
| Meador & Jones LLP | US | — | 1 |
| Meadville Medical Center | US | — | 1 |
| Meals on Wheels of Albuquerque | US | — | 1 |
| MEBS Global Reach | US | — | 2 |
| Mechanical Systems & Services, Inc. | US | — | 1 |
| Mechanics Bank, dba CRB Auto | US | — | 1 |
| Mecklenburg County Public Schools | US | — | 1 |
| Med Atlantic, Inc. | US | — | 1 |
| Med-Data Incorporated | US | — | 2 |
| MED-EL Corporation, USA | US | — | 1 |
| Med Pay Partners, LLC | US | — | 1 |
| Med Tax, Inc. | US | — | 1 |
| Medaglia & Murphy, Inc. | US | — | 1 |
| Medenet Inc. | US | Healthcare | 1 |
| Medenet, Inc. (“Medenet”) | US | — | 1 |
| MedEvolve | US | — | 1 |
| Medi-Rents & Sales, Inc. | US | Healthcare | 1 |
| Media Sales Plus, Inc. | US | — | 1 |
| Mediant Communications Inc. | US | — | 1 |
| Mediant Communicatiosn | US | — | 1 |
| MediaRadar | US | — | 1 |
| Medica Community Health; Dean Health Plan; & Dean Health Service Company (branded as WellFirst Health) | US | — | 1 |
| Medica Corporation | US | — | 1 |
| Medical | US | — | 1 |
| Medical Affiliates of Cape Cod | US | — | 2 |
| Medical Associates of Brevard, LLC | US | Healthcare | 1 |
| Medical Associates of the Lehigh | US | — | 1 |
| Medical Billing Specialists, Inc. | US | — | 1 |
| Medical Board of California | US | — | 1 |
| Medical Care of Boston | US | — | 1 |
| Medical Center Barbour | US | — | 1 |
| Medical Center, LLP | US | Healthcare | 1 |
| Medical College of Wisconsin | US | — | 4 |
| Medical Depot, Inc., d/b/a Drive | US | — | 1 |
| Medical Depot, Inc., d/b/a Drive DeVilbiss Healthcare | US | — | 1 |
| Medical Emergency Department | US | — | 1 |
| Medical Express Ambulance | US | — | 1 |
| Medical Express Ambulance Inc. D/B/A Medex Ambulance | US | Healthcare | 1 |
| Medical Eye Services, Inc. | US | — | 5 |
| Medical Eye Services, Inc. (Blue Shield of California) | US | — | 1 |
| Medical Eye Services, Inc. (Costco Wholesale Corporation) | US | — | 1 |
| Medical Healthcare Solutions, | US | — | 1 |
| Medical Informatics Engineering | US | — | 1 |
| Medical Informatics Engineering and NoMoreClipboard, a wholly owned subsidiary of Medical Informatics Engineering | US | — | 1 |
| Medical Management Resource Group, L.L.C. | US | — | 1 |
| Medical Management Resource Group, L.L.C., d.b.a. American Vision Partners | US | — | 1 |
| Medical Mutual of Ohio | US | — | 1 |
| Medical Practice Solutions, Inc. | US | — | 1 |
| Medical Review Institute of | US | — | 1 |
| Medical Review Institute of America | US | — | 1 |
| Medical Solutions | US | — | 1 |
| Medical Technology Industries, Inc. | US | — | 1 |
| Medicare CompareUSA filing on behalf of Aetna | US | — | 1 |
| Medicare CompareUSA filing on behalf of United Healthcare | US | — | 1 |
| MedicareCompareUS filing on behalf of Humana | US | — | 1 |
| MedicareCompareUSA | US | Healthcare | 2 |
| MedImpact Healthcare Systems, Inc. | US | — | 2 |
| MedInform, Inc. | US | — | 1 |
| Meditrinia, Inc. | US | — | 2 |
| Medjet and Medjet Assist | US | — | 1 |
| MedMinder Systems, Inc. | US | — | 1 |
| MEDNAX Services, Inc. | US | — | 3 |
| MedPeds Associates of Sarasota | US | Healthcare | 2 |
| medQ, Inc. | US | — | 2 |
| MedQIA, LLC | US | — | 1 |
| MedRevenu, LLC | US | Healthcare | 2 |
| MedReview, Inc. | US | — | 1 |
| Medscan Laboratory, Inc. (Adaptive Health Integrations | US | — | 1 |
| Medscan Labratory, Inc. ("Adaptive Health Integrations") | US | — | 1 |
| MedsNow | US | — | 1 |
| MedStar Health, Inc. | US | Healthcare | 1 |
| MedStar Mobile Healthcare | US | — | 1 |
| Medsurant Holdings, LLC | US | — | 1 |
| Medtronic Inc. | US | — | 2 |
| Medusind, Inc. - Aspen Dental | US | — | 1 |
| Medusind Inc. | US | Healthcare | 3 |
| Meemic | US | — | 1 |
| Meepos & Company | US | — | 1 |
| MEETME, INC. | US | — | 2 |
| Mehri & Skalet, PLLC | US | — | 2 |
| MEI-GSR | US | — | 1 |
| Meier Supply Company, Inc. | US | — | 1 |
| Melchert Hubert Sjodin, PLLP | US | — | 1 |
| Mellow Massage Hollywood | US | — | 1 |
| Melrose Housing Authority | US | — | 1 |
| MelroseWakefield Healthcare | US | — | 3 |
| Melville Candy Company | US | — | 1 |
| melvin mora inc | US | — | 1 |
| Melwood, Inc. | US | — | 1 |
| Melzer's Fuel Service, Inc. | US | — | 1 |
| Melzer’s Fuel Service Inc. (“MFS”) | US | — | 1 |
| Member First Mortgage, LLC | US | — | 1 |
| Memberclose LLC | US | — | 1 |
| Members Plus Credit Union | US | — | 1 |
| Members Trust Company | US | — | 1 |
| MemberSource Credit Union | US | — | 2 |
| MEMC, LLC | US | — | 1 |
| Memorial Hospital and Manor | US | — | 1 |
| Memorial Hospital At Gulfport | US | — | 1 |
| Memorial Hospital of Lafayette County | US | — | 1 |
| Memorial Radiation Oncology Medical Group | US | — | 1 |
| Mencom Corporation | US | — | 1 |
| Mendes & Haney, LLP | US | — | 1 |
| Mendes & Mount LLP | US | — | 1 |
| Mendocino County Office of Education | US | — | 1 |
| Mendoza Income Tax | US | — | 1 |
| Menorah Chapels | US | — | 1 |
| Menorah Life | US | — | 1 |
| Mental Health Association | US | — | 1 |
| Mental Health Association Inc. | US | Healthcare | 1 |
| Mental Health Center of Boulder | US | — | 1 |
| Merani Hospitality, Inc. | US | — | 2 |
| Mercadien, P.C. CPAs | US | — | 2 |
| Mercadien PC Certified Public Accountants | US | — | 4 |
| Merced City School District | US | — | 1 |
| Merced College | US | — | 1 |
| Merced Union High School District | US | — | 2 |
| Mercedes-Benz of Walnut Creek | US | — | 1 |
| Mercedes-Benz of Wappingers | US | — | 1 |
| Mercedes-Benz USA, LLC | US | — | 1 |
| Mercer Advisors Inc. | US | — | 1 |
| Mercer University | US | — | 1 |
| Mercer Valve Co. Inc. | US | — | 1 |
| Merchant One, Inc | US | — | 2 |
| Merchants Benefit Administration | US | — | 1 |
| Merck Sharpe & Dohme LLC | US | — | 1 |
| Mercor.io Corporation | US | — | 2 |
| Mercury Aircraft, Inc. | US | — | 1 |
| Mercury Systems, Inc. | US | Technology | 1 |
| Mercury Wire Products Inc. | US | — | 1 |
| Mercy College | US | — | 1 |
| Mercy Health Foundation | US | — | 1 |
| Mercy Health System Corporation | US | — | 1 |
| Mercy Housing, Inc., Mercy Housing Management Group, Inc. | US | — | 1 |
| Mercy Iowa City | US | — | 2 |
| Mercy LIFE, Inc. | US | — | 1 |
| Mercy Medical Center | US | — | 1 |
| Mercy Medical Center - Clinton, Inc. | US | — | 1 |
| Mercy Medical Center Redding | US | — | 1 |
| Mercy Medical Center Redding Oncology Clinic | US | — | 1 |
| Mercy Ships | US | — | 1 |
| Mercy Surgical Dressing Group, Inc. | US | Healthcare | 1 |
| Mercy-USA for Aid and | US | — | 1 |
| Mercyhurst University | US | — | 1 |
| Meridian Behavioral Healthcare, Inc. | US | — | 1 |
| Meridian Health Services Corp | US | — | 1 |
| Meridian Printing, Inc. | US | — | 1 |
| Meridian Risk Management, Inc. | US | — | 1 |
| Meriplex Communications, LTD. | US | — | 2 |
| Meritage Hospitality Group, Inc. | US | — | 1 |
| Meritus Federal Credit Union | US | — | 1 |
| Merkle Inc. | US | — | 1 |
| Merrick Bank Corporation | US | — | 2 |
| Merrick & Company | US | — | 1 |
| Merritt Healthcare Advisors | US | — | 2 |
| Merritt Park Holdings, LLC, | US | — | 1 |
| MERS Missouri Goodwill Industries | US | — | 1 |
| Mesa Natural Gas Solutions | US | — | 1 |
| MESA Products, Inc. | US | — | 1 |
| Messer Cutting Systens, Inc. | US | — | 1 |
| Messiah University | US | — | 1 |
| Messner Reeves on behalf of Chipotle Mexican Grill, Inc. | US | — | 1 |
| META MATERIALS INC. | CA | Technology | 1 |
| Meta Platforms, Inc. | US | Technology | 1 |
| MetaBank | US | — | 1 |
| Metabolic Maintenance Products, | US | — | 1 |
| Metabolic Maintenance Products, Inc. | US | — | 2 |
| MetaBrainz Foundation Inc. | US | — | 1 |
| Metaformers Inc | US | — | 1 |
| Metairie Park Country Day School | US | — | 1 |
| Method Schools | US | — | 1 |
| Methodist Homes of Alabama and Northwest Florida | US | Healthcare | 1 |
| Methodist Hospital of Southern California | US | — | 1 |
| Methodist McKinney Hospital | US | — | 1 |
| MetLife | US | — | 1 |
| Metraco Transportation Company, | US | — | 1 |
| Metro Builders Supply, Inc. d/b/a | US | — | 1 |
| Metro Credit Union | US | — | 1 |
| Metro Public Adjusment, Inc. | US | — | 1 |
| Metromile | US | — | 1 |
| Metromile Insurance Company | US | — | 1 |
| Metromont, LLC | US | — | 1 |
| Metropolitan Area Planning Council | US | — | 1 |