| Maternity IP Holdings, LLC | US | — | 1 |
| Mathway, LLC | US | — | 1 |
| Mativ Holdings, Inc. | US | Manufacturing | 2 |
| Matrix Absence Management, | US | — | 1 |
| Matrix Medical Network | US | — | 1 |
| Matson Navigation Company | US | — | 3 |
| Matson Navigation Company, Inc. | US | — | 1 |
| Matson Navigation Company, Inc. and Horizon Lines | US | — | 1 |
| Matt Kitchie d/b/a Flagship Financial | US | — | 1 |
| Mattapan Community Health | US | — | 3 |
| Mattek Corporation | US | — | 1 |
| Mattress Insider, LLC | US | — | 1 |
| Mattson Technology, Inc. | US | — | 3 |
| Mauch Chunk Trust Company | US | — | 1 |
| Maumee Express Inc. | US | — | 1 |
| Mauser Packaging Solutions | US | — | 1 |
| Maverick County, Texas | US | — | 1 |
| Max Linear, Inc. | US | — | 1 |
| Max-Tech, Inc. | US | — | 1 |
| MAX USA CORP. | US | — | 1 |
| Maxar Space LLC and Maxar Space Robotics LLC | US | — | 1 |
| Maxava LLC | US | — | 1 |
| Maxco Supply, Inc. | US | — | 1 |
| Maxim Healthcare Group | US | — | 2 |
| Maximum Quality Foods, Inc. | US | — | 1 |
| Maximus, Inc. | US | Professional Services | 3 |
| Maximus, Inc and its subsidiaries | US | — | 1 |
| Maximus, Inc. (Maximus Health Services, Inc.) | US | — | 1 |
| Maximus US Services Inc | US | — | 1 |
| MaxLinear, Inc. | US | Technology | 1 |
| May Institute | US | — | 3 |
| May, Potenza, Baran & Gillespie, P.C. | US | — | 1 |
| May Trucking Company | US | — | 1 |
| Maynard Select, LLC | US | — | 1 |
| Mayo Clinic | US | — | 1 |
| Mayor’s Office for Policing and Crime (MOPAC) | GB | — | 1 |
| Mazzola Mardon, P.C. | US | Healthcare | 1 |
| MB MT Acquisitions, LLC | US | — | 1 |
| MBE CPAs, LLP | US | — | 1 |
| MBS Textbook Exchange, LLC | US | — | 1 |
| MC Group Ventures Corporation | US | — | 1 |
| McAdam Financial Group | US | — | 1 |
| McAlester Regional Health Center | US | — | 1 |
| McAlister¶s Corporation, Moe¶s | US | — | 1 |
| McAlister’s Corporation, Moe’s Stores LLC, Schlotzsky’s Stores LLC, as well as entities that are franchisees | US | — | 1 |
| McAllen Surgical Specialty | US | — | 1 |
| McArthur Glen Europe Inc. | US | — | 1 |
| MCBS, LLC | US | Healthcare | 1 |
| McCabe & Associates | US | — | 1 |
| McCarter & English LLP | US | — | 1 |
| McCarthy Fingar, LLP | US | — | 1 |
| McCarthy & Holthus LLP | US | — | 1 |
| McCathern PLLC | US | — | 1 |
| McCauley & Associates, LLC | US | — | 1 |
| McClallen Law | US | — | 1 |
| McClarty Farms LLC | US | — | 1 |
| McClean Hospital | US | — | 1 |
| McCord LLC | US | — | 1 |
| McCoy Consulting Services, LLC | US | — | 1 |
| McCoyd, Parkas, & Ronan LLP | US | — | 1 |
| McCracken Financial Solutions Corp. | US | — | 1 |
| Mcdavid, Inc. | US | — | 1 |
| McDermott Will & Emery LLP | US | — | 1 |
| McDermott Will & Schulte LLP | US | — | 1 |
| McDonald Keohane Funeral Home | US | — | 1 |
| McDougall & Sons, Inc. | US | — | 3 |
| McEwen and Associates, Inc. | US | — | 1 |
| McEwen & Associates | US | Healthcare | 1 |
| McFadyen Consulting Group | US | — | 1 |
| MCG Health, LLC | US | — | 1 |
| MCG, LLC | US | — | 1 |
| McGrath RentCorp | US | Professional Services | 2 |
| McIntosh Laboratory, Inc. | US | — | 1 |
| McKay Wealth Management | US | — | 1 |
| McKell Financial Group | US | — | 2 |
| McKenzie Memorial Hospital | US | Healthcare | 1 |
| McKim & Creed, Inc. | US | — | 1 |
| McKinney & Company | US | — | 1 |
| McKissock Investment Holdings, | US | — | 1 |
| McLanahan Corporation | US | — | 1 |
| McLane Middleton | US | — | 1 |
| McLaren | US | — | 1 |
| McLaren Health Care | US | Healthcare | 3 |
| McLaughlin Financial Consulting | US | — | 1 |
| McLaughlin & Stern LLP | US | — | 1 |
| McLean Hospital | US | — | 5 |
| McLean Mortgage Corporation | US | — | 2 |
| McLeod Express, LLC | US | — | 1 |
| 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 |
| 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 |
| 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 | — | 1 |
| 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 |
| 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 | 2 |
| 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 |
| Melrose-Wakefield HealthCare | US | — | 1 |
| 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 |