| Metropolitan Associates | US | — | 2 |
| Metropolitan Commercial Bank | US | — | 1 |
| Metropolitan Community College | US | — | 1 |
| Metropolitan Community College of Kansas City | US | — | 1 |
| Metropolitan Council | US | — | 1 |
| Metropolitan Life Insurance Company | US | — | 13 |
| Metropolitan Marine Maintenance Contractors' Association | US | — | 2 |
| Metropolitan Police Service | GB | — | 1 |
| Metropolitan Realty Group | US | — | 1 |
| Metropolitan State University Denver Foundation | US | — | 1 |
| Metropolitan Urology Group | US | — | 1 |
| Metropolitan Washington | US | — | 1 |
| MetroWest Community Federal Credit Union | US | — | 1 |
| MetroWest Medical Center | US | — | 2 |
| Mettalix Refining, Inc. | US | — | 1 |
| MetWest Terra Hospitality, LLC | US | — | 1 |
| Mevion Medical Systems | US | — | 1 |
| Meyer Corporation, U.S. | US | — | 2 |
| Meyer Unkovic & Scott LLP | US | — | 1 |
| Mezrah Financial | US | — | 2 |
| MFA Financial, Inc. | US | Real Estate | 2 |
| mGage LLC | US | — | 1 |
| MGM Resorts | US | — | 1 |
| MGM Resorts International | US | Hospitality | 2 |
| MGM Transformer LLC | US | — | 1 |
| MGS Mfg. Group, Inc. | US | — | 1 |
| MHMR Authority of Brazos Valley | US | — | 1 |
| MHNext, LLC | US | — | 1 |
| MI HoldCo, Inc. | US | — | 1 |
| Miami Management Inc. | US | — | 1 |
| MiCare Health Center | US | — | 1 |
| Michael Allen Company | US | — | 1 |
| Michael J. Berger and Co., CPA LLP | US | — | 1 |
| Michael J. Skagen CFP | US | — | 1 |
| Michael Koch, dba Lockhart, Britton & Koch | US | — | 1 |
| Michael Maltzan Architecture, Inc. | US | — | 1 |
| Michael R. Schwartz, MD, FACS | US | — | 1 |
| Michael R. Schwartz, MD Inc. | US | Healthcare | 1 |
| Michael T. Blevins, Inc. | US | — | 1 |
| Michaels Stores, Inc. | US | — | 2 |
| Michaels Stores, Inc. & Aaron Brothers | US | — | 1 |
| Michels Corporation | US | — | 1 |
| Michigan Avenue Immediate Care | US | — | 3 |
| Michigan Catholic Conference | US | — | 1 |
| Michigan Fitness Foundation | US | — | 1 |
| Michigan Nonprofit Association | US | — | 1 |
| Michigan State University | US | — | 2 |
| Michigan Sugar Company | US | — | 1 |
| Michigan Surgical Center, LLC. | US | — | 1 |
| Michigan Technological | US | — | 1 |
| Micro-Mom Scooters LLC d/b/a | US | — | 1 |
| Micro-Mom Scooters LLC d/b/a Micro Kickboard | US | — | 1 |
| Microcode, Inc. | US | — | 1 |
| Microf, LLC | US | — | 2 |
| Microforum Services Group | US | — | 1 |
| MICROSOFT CORP | US | Technology | 1 |
| Mid America Bank | US | — | 1 |
| Mid America Health | US | — | 1 |
| Mid America Mortgage | US | — | 1 |
| Mid America Physician Services | US | Healthcare | 1 |
| Mid-Delaware Imaging | US | — | 1 |
| Mid Florida Dermatology & Plastic Surgery | US | Healthcare | 1 |
| Mid Florida Primary Care, PA | US | Healthcare | 2 |
| Mid Michigan Medical Billing Service, Inc. | US | Healthcare | 1 |
| Mid-South Pulmonary & Sleep Specialists P.C. | US | Healthcare | 1 |
| Mid-State Industrial Maintenance | US | — | 1 |
| MidAmerica Lenders & Co | US | — | 1 |
| Middle Tennessee School of | US | — | 1 |
| Middlesex Community College | US | — | 2 |
| Middlesex Federal Savings, F.A. | US | — | 1 |
| Middlesex School | US | — | 1 |
| Middlesex Sheriff's Office | US | Healthcare | 2 |
| Middletown Valley Bank | US | — | 1 |
| Mide | US | — | 1 |
| Mide Technology Corporation | US | — | 1 |
| MidFirst Bank | US | — | 2 |
| Midkiff, Muncie & Ross, P.C. | US | — | 3 |
| Midland Care Connection, Inc | US | Healthcare | 1 |
| Midland University | US | — | 2 |
| Midtown Community Health Center, Inc. | US | — | 1 |
| Midvale Indemnity Company | US | — | 3 |
| Midway Importing, Inc. | US | — | 2 |
| Midwest Bank | US | — | 1 |
| Midwest Gaming and Entertainment, LLC d/b/a River Casinos Des Plaines | US | — | 1 |
| Midwest Gaming & Entertainment, LLC dba Rivers Casino Des Plaines | US | — | 2 |
| Midwest Spine and Brain Institute | US | — | 1 |
| Midwest Spine & Brain Institute | US | Healthcare | 1 |
| Midwest Supplies, LLC | US | — | 1 |
| Miedema Produce | US | — | 1 |
| Mike Ferry Organization | US | — | 1 |
| Mike Keith Insurance, Inc. | US | — | 1 |
| Mike Martin & Associates, Inc. | US | — | 1 |
| Mikhail Education Corporation | US | — | 1 |
| Milan Eye Center | US | — | 1 |
| Mile Hi Foods Company | US | — | 1 |
| Milemark Capital | US | — | 1 |
| MiLEND, Inc. | US | — | 1 |
| Miles Partnership, LLLP | US | — | 1 |
| Milestones Financial Planning, | US | — | 1 |
| Milford Management Corp. | US | — | 4 |
| Milford Regional Medical Center | US | — | 1 |
| Mill Brothers Landscape Group | US | — | 1 |
| Millbrook School | US | — | 1 |
| Millbury National Bank | US | — | 1 |
| Millcreek Pediatrics | US | Healthcare | 1 |
| Mille Lacs Health System | US | — | 1 |
| Millenia Investments, LLC | US | — | 1 |
| Millennium Eye Care LLC | US | — | 1 |
| Millennium Health Systems, LLC | US | Healthcare | 1 |
| Millennium Healthcare Group | US | — | 1 |
| Millennium Home Health Care | US | Healthcare | 1 |
| Millennium Travel Nursing | US | — | 1 |
| Millennium Trust Company, LLC | US | — | 2 |
| Miller Insurance Protection Team | US | — | 1 |
| Miller Kaplan Arase LLP | US | — | 2 |
| Miller Milling Company | US | — | 1 |
| Miller's Ale House | US | — | 1 |
| Miller Valentine | US | — | 1 |
| Milligan Chiropractic Group, Inc. d/b/a Del Mar Chiropractic Sports Group | US | — | 1 |
| Millimaki Eggert, LLP | US | — | 1 |
| Milliman, Inc. | US | — | 1 |
| Milliman Solutions, LLC | US | — | 2 |
| Milliman Solutions, LLC d/b/a Milliman Intelliscript | US | — | 2 |
| Millstone Medical Outsourcing, LLC | US | — | 2 |
| Millyard Bank | US | — | 1 |
| Milton Public Schools | US | — | 1 |
| Milwaukee Bucks | US | — | 1 |
| Milwaukee Symphony Orchestra, Inc. | US | — | 1 |
| Minaris Advanced Therapies | US | — | 1 |
| Mindlance, Inc. | US | — | 1 |
| Minerals Technologies Inc. | US | Manufacturing | 2 |
| Minidoka Memorial Hospital | US | Healthcare | 1 |
| MiniMed Distribution Corp | US | — | 2 |
| Ministry of Justice | GB | — | 1 |
| Minka Lighting, LLC | US | — | 2 |
| Minneapolis Public Schools | US | — | 1 |
| Minneapolis VA Medical Center | US | Healthcare | 1 |
| Minnesota Epilepsy Group | US | Healthcare | 1 |
| Minnesota Epilepsy Group, P.A. | US | Healthcare | 2 |
| Minnesota Health Insurance Network | US | Healthcare | 1 |
| Minnesota Orchestral Association | US | — | 1 |
| Minnesota Orthodontics and Dentofacial Orthopedics, P.A. | US | Healthcare | 1 |
| Minnesota State University Mankato Foundation | US | — | 1 |
| Minnesota Statewide Limited | US | — | 1 |
| Minnesota Statewide Limited Energy J.A.T.C. | US | — | 1 |
| Minnetonka Moccasin Company, | US | — | 1 |
| Minnetonka Moccasin Company, Inc. | US | — | 1 |
| Minted, LLC | US | — | 1 |
| Minute Women Home Care | US | — | 1 |
| Minuteman Press Macon | US | Healthcare | 1 |
| Minuteman Security Technologies | US | — | 1 |
| Minuteman Senior Services | US | — | 3 |
| Minyard Morris LLP | US | — | 2 |
| MIPS Holding, Inc. | US | — | 2 |
| Mirabito Holdings, Inc | US | — | 1 |
| Miranda CPA, PLLC | US | — | 1 |
| Mise En Place Restaurant Services, Inc. | US | — | 1 |
| Mission Asset Fund | US | — | 1 |
| Mission Bancorp | US | — | 1 |
| Mission Bell Mfg Inc | US | — | 1 |
| Mission City Community Network, Inc. | US | Healthcare | 2 |
| Mission Health | US | — | 1 |
| Mission Housing Development | US | — | 1 |
| Mission Linen Supply Company | US | — | 1 |
| Mission Neighborhood Health Center | US | — | 1 |
| Mission to the World (PCA), Inc. | US | — | 1 |
| Mississippi Children's Home Services, Inc., Mississippi Chil | US | — | 1 |
| Missouri Central Credit Union | US | — | 1 |
| Missouri Military Academy | US | — | 1 |
| Missouri Southern State | US | — | 1 |
| Mister Guns | US | — | 2 |
| MIT Lincoln Laboratory | US | — | 1 |
| Mitchell County | US | — | 1 |
| Mitchell County Department of Social Services | US | Healthcare | 1 |
| Mitchell County Hospital District | US | — | 1 |
| Mitchell International, Inc. | US | — | 1 |
| MITCON, LLC | US | — | 1 |
| Mithun, Inc. | US | — | 1 |
| Mitsubishi Logisnext Americas | US | — | 1 |
| Mitsuwa Corporation | US | — | 1 |
| Mity, Inc. | US | — | 1 |
| MIV Buyer, LLC | US | — | 1 |
| Miyoshi America, Inc. | US | — | 1 |
| Miz Mooz, Inc. | US | — | 1 |
| Mizick Miller & Company, Inc. | US | — | 1 |
| Mizuno USA, Inc. | US | — | 2 |
| MJ Freeway Business Solutions | US | — | 1 |
| MJ Insurance, Inc | US | — | 1 |
| MJH Life Sciences | US | — | 1 |
| MK Periodontics and Implants | US | — | 1 |
| MKD Electric | US | — | 1 |
| MKRDY Ogunquit, LLC | US | — | 1 |
| MKRS Law | US | — | 1 |
| MKS Instruments, Inc. | US | — | 1 |
| MKS Instruments, Inc. (“MKSI") | US | — | 1 |
| ML & CO Accounting Services, LLC | US | — | 1 |
| MLD Mortgage, Inc. | US | — | 1 |
| MLD Mortgage Inc. dba The Money Store | US | — | 1 |
| MLP Tax & Financial Services, | US | — | 1 |
| MLS Property Information | US | — | 1 |