| M&M Manufacturing, Inc. | TX | 15 | 86.7% |
| M&R CONSULTANTS CORPORATION | MA | 634 | 97.3% |
| M&T Bank | NY | 323 | 87.6% |
| M-I LLC | TX | 201 | 78.1% |
| M. A. Mortenson Company | MN | 223 | 96.9% |
| M. Arthur Gensler Jr. & Associates, Inc. | CA | 759 | 85.4% |
| M.C. Dean, Inc. | VA | 501 | 80.2% |
| M3BI LLC | AZ | 371 | 92.7% |
| MA LABORATORIES, INC. | CA | 258 | 95.7% |
| Macias Gini & O'Connell LLP | CA | 110 | 95.5% |
| Mack Trucks, Inc. | NC | 101 | 98.0% |
| Macquarie Global Services (USA) LLC | NY | 458 | 99.3% |
| Macquarie Holdings (USA) Inc. | NY | 981 | 98.7% |
| MACY'S SYSTEMS & TECHNOLOGY, INC. | GA | 687 | 93.3% |
| Macys.com, LLC | GA | 673 | 92.3% |
| Madison Parish School Board | LA | 101 | 90.1% |
| Maganti IT Resources LLC | CT | 781 | 62.2% |
| Magic Leap, Inc. | FL | 581 | 83.7% |
| Magna Electronics, Inc. | MI | 502 | 80.5% |
| Magna Infotech, Ltd. | KS | 497 | 95.2% |
| MAGNOLIA EDUCATIONAL AND RESEARCH FOUNDATION | CA | 255 | 92.9% |
| Mah & Associates, LLP | CA | 38 | 94.7% |
| MAHANTECH CORPORATION | WV | 188 | 97.9% |
| MAHARISHI International UNIVERSITY | IA | 89 | 97.8% |
| Maimonides Medical Center | NY | 731 | 93.0% |
| Main Line HealthCare | PA | 49 | 91.8% |
| MaineGeneral Medical Center | ME | 58 | 96.5% |
| MAJESCO SOFTWARE AND SOLUTIONS, INC. | NJ | 364 | 97.3% |
| MAKEURCAREER LLC | PA | 1,494 | 95.5% |
| MaloneBailey LLP | TX | 112 | 83.0% |
| Managed Staffing, Inc | TX | 80 | 53.8% |
| Management Health Systems, LLC | FL | 2,192 | 92.5% |
| MANHATTAN ASSOCIATES, INC. | GA | 1,272 | 92.8% |
| Manhattan College | NY | 96 | 91.7% |
| MANISH THERAPY SERVICES, INC. | MI | 174 | 93.7% |
| Mansai Corporation | MD | 588 | 93.0% |
| MANTRA TELECOM, INC. | TX | 106 | 86.8% |
| Marana Health Center | AZ | 60 | 85.0% |
| Marathon Oil Company | TX | 83 | 84.3% |
| Marcum LLP | NY | 144 | 86.1% |
| MARGIN5 SOLUTIONS INC. | NJ | 318 | 93.1% |
| Maritz Consulting Group | MN | 95 | 94.7% |
| Mark David Levine, M.D., Professional Corporation | CA | 42 | 97.6% |
| Mark Infotech Inc | NJ | 323 | 92.6% |
| Markit North America, Inc. | NY | 799 | 89.2% |
| Marlabs LLC | NJ | 6,815 | 61.3% |
| Marmon Foodservice Technologies, Inc. | IL | 3 | 100.0% |
| Marquette University | WI | 280 | 87.9% |
| Marriott International, Inc. | MD | 599 | 89.8% |
| Marshall County School District | MS | 41 | 68.3% |
| MARSHALL UNIVERSITY | WV | 269 | 81.4% |
| Marshall University (School of Medicine) | WV | 86 | 95.3% |
| Marshfield Clinic | WI | 844 | 84.5% |
| Marvel Technologies, Inc. | MI | 807 | 80.2% |
| Marvell Semiconductor, Inc. | CA | 2,980 | 90.0% |
| MARY HITCHCOCK MEMORIAL HOSPITAL | NH | 221 | 76.9% |
| Maryland Medical First, P.A. | MD | 156 | 82.0% |
| Mass General Brigham Incorporated | MA | 203 | 91.1% |
| Massachusetts Acute Care Specialists, PC | TN | 33 | 97.0% |
| Massachusetts Eye and Ear Infirmary | MA | 196 | 74.5% |
| Massachusetts General Physicians Organization | MA | 836 | 80.5% |
| Massachusetts Institute of Technology | MA | 3,156 | 60.0% |
| Massachusetts Mutual Life Insurance Company | MA | 662 | 75.4% |
| MAST Technology Services, Inc. | OH | 459 | 85.6% |
| Mastech Digital Technologies, Inc. | PA | 5,044 | 99.6% |
| Master Informatix Systems, Inc. | VA | 171 | 59.1% |
| Mastercard International Incorporated | NY | 1,673 | 88.7% |
| Mastercard Technologies, LLC | MO | 956 | 97.7% |
| Masterex Technologies Inc | NJ | 443 | 91.7% |
| Matthew Warren, Inc. | NC | 5 | 80.0% |
| Matthews International Capital Management, LLC | CA | 54 | 98.2% |
| Mavenir Systems, Inc. | TX | 265 | 89.4% |
| Mavensoft Technologies, LLC | OR | 310 | 61.0% |
| Maverick Family Dental, P.C. | MA | 191 | 71.7% |
| Max Care Home Health Services, INC | IL | 12 | 75.0% |
| Max Planck Florida Corporation | FL | 89 | 77.5% |
| Maxim Integrated Products, LLC | MA | 964 | 76.9% |
| Maxima Consulting, Inc. | MA | 671 | 97.9% |
| Maxima Technologies Corporation | CA | 118 | 99.2% |
| MAXIMUS Inc. | VA | 328 | 86.6% |
| MAXISIT, INC. | NJ | 399 | 94.0% |
| Maxlinear, Inc. | CA | 487 | 87.1% |
| Mayer Brown LLP | DC | 149 | 91.3% |
| Mayo Clinic | MN | 4,261 | 96.0% |
| MBH Architects Inc. | CA | 69 | 66.7% |
| McAfee, LLC | TX | 854 | 86.2% |
| McCann-Erickson USA, Inc. | NY | 95 | 84.2% |
| McConnell & Jones LLP | TX | 48 | 77.1% |
| McDermott, Inc. | TX | 150 | 69.3% |
| McDonald's Corporation | IL | 244 | 93.0% |
| McGaw Medical Center of Northwestern University | IL | 125 | 92.0% |
| MCH Professional Care | TX | 55 | 80.0% |
| McKesson Corporation | TX | 1,474 | 87.8% |
| McKinsey & Company, Inc. United States | NY | 4,018 | 98.5% |
| McLean Hospital | MA | 196 | 75.5% |
| MCPHS University | MA | 179 | 80.5% |
| Mead Johnson Company LLC | IL | 144 | 95.8% |
| Med-Pharmex, Inc. | CA | 89 | 96.6% |
| MEDCOMPS CORPORATION | IL | 274 | 74.1% |
| MEDHOST Services, Inc. | TN | 103 | 92.2% |
| MediaTek USA Inc. | CA | 408 | 77.2% |
| Medical College of Wisconsin Affiliated Hospitals, Inc. | WI | 401 | 90.8% |
| Medical College of Wisconsin, Inc. | WI | 994 | 93.0% |
| Medical Faculty Associates, Inc. | DC | 77 | 92.2% |
| Medical Management International, Inc. | WA | 577 | 70.5% |
| Medical Science & Computing, LLC | MD | 328 | 83.8% |
| Medical University of South Carolina and Affiliates | SC | 913 | 69.2% |
| Medidata Solutions, Inc. | NY | 492 | 93.5% |
| MedImmune LLC | DE | 406 | 94.6% |
| Mediterranean Shipping Company (USA), Inc. | NY | 520 | 88.5% |
| Medline Industries, LP | IL | 727 | 93.8% |
| Medpace, Inc. | OH | 139 | 96.4% |
| MedStar Georgetown Medical Center, Inc | MD | 138 | 89.1% |
| MedStar Medical Group-Southern Maryland, LLC | MD | 63 | 100.0% |
| MEDTECH STAFFING & SOLUTIONS, INC | NJ | 330 | 45.5% |
| Medtronic, Inc. | MN | 3,080 | 80.4% |
| MEETINGS AND EVENTS INTERNATIONAL INC | IL | 10 | 60.0% |
| Megabus Northeast LLC | NJ | 3 | 66.7% |
| Megan Soft, Inc. | MI | 600 | 88.0% |
| Meijer Great Lakes Limited Partnership | MI | 306 | 96.7% |
| Mejenta Systems, Inc | VA | 338 | 96.8% |
| Melaleuca, Inc. | ID | 138 | 97.1% |
| Memorial Hospital Flagler, Inc. | FL | 43 | 97.7% |
| Memorial Hospital of Laramie County | WY | 62 | 88.7% |
| MEMORIAL HOSPITAL OF SWEETWATER COUNTY | WY | 34 | 76.5% |
| Memorial Sloan Kettering Cancer Center | NY | 2,781 | 94.2% |
| MENASHA PACKAGING COMPANY, LLC | WI | 73 | 74.0% |
| MENTOR GRAPHICS CORPORATION | OR | 672 | 95.1% |
| Mercedes-Benz USA, LLC | GA | 50 | 82.0% |
| Mercer (US) LLC | NY | 362 | 88.4% |
| Mercer Health & Benefits LLC | NY | 152 | 92.1% |
| Merck & Co. Inc. | NJ | 291 | 77.3% |
| Merck Sharp & Dohme LLC | NJ | 917 | 84.1% |
| Mercury Systems Inc. | NJ | 564 | 95.2% |
| Mercury Technologies, Inc. | CA | 97 | 83.5% |
| Mercy Clinic East Communities | MO | 228 | 94.7% |
| Mercy Clinic Fort Smith Communities | AR | 103 | 90.3% |
| Mercy Clinic Springfield Communities | MO | 250 | 90.8% |
| Mercy Clinics, Inc. | IA | 117 | 94.9% |
| Mercy Health - St. Vincent Medical Center, LLC | OH | 83 | 83.1% |
| Mercy Management of Southeastern Pennsylvania | PA | 40 | 92.5% |
| Mercy Medical Center | OR | 168 | 86.9% |
| Mercy Medical Center | ND | 94 | 84.0% |
| Mercy Medical Center, Inc. | MD | 96 | 90.6% |
| MERIDIAN HEALTH SERVICES CORP | IN | 100 | 77.0% |
| MERIDIAN SOFTWARE SOLUTIONS, INC. | GA | 177 | 82.5% |
| MERIDIANSOFT INC | OH | 656 | 87.8% |
| Merkle Inc. | MD | 754 | 87.1% |
| MERRILL LYNCH | NC | 2,831 | 91.5% |
| Merritt Hospitality, LLC | CT | 27 | 88.9% |
| Mersana Therapeutics, Inc. | MA | 10 | 60.0% |
| MESO SCALE DIAGNOSTICS, LLC | MD | 130 | 97.7% |
| Mesquite Independent School District | TX | 152 | 91.5% |
| Meta Platforms, Inc | CA | 17,151 | 98.6% |
| METAPRO USA, LLC | TX | 168 | 92.9% |
| Methode Electronics, Inc. | IL | 48 | 91.7% |
| METHODICA TECHNOLOGIES LLC | MI | 353 | 89.2% |
| Methodist Le Bonheur Healthcare | TN | 177 | 94.9% |
| MetLife Global, Inc. | NY | 57 | 93.0% |
| MetLife Group, Inc. | NY | 1,055 | 91.0% |
| Metro Athletic Medicine and Fitness, P.C. | KY | 30 | 100.0% |
| Metro Infectious Disease Consultants | IL | 98 | 87.8% |
| Metropolitan State University of Denver | CO | 308 | 73.4% |
| Metropolitan Utilities District | NE | 52 | 98.1% |
| MGM Resorts International Operations, Inc. | NV | 236 | 78.0% |
| MHK TECH INC | TX | 403 | 49.1% |
| Miami University | OH | 508 | 88.0% |
| Mican Technologies, Inc. | DE | 607 | 79.4% |
| Michael Baker International, Inc. | PA | 409 | 87.0% |
| Michael Page International, Inc. | CT | 92 | 79.3% |
| MICHAELS STORES PROCUREMENT COMPANY, INC. | TX | 22 | 86.4% |
| Michigan State University | MI | 2,566 | 61.2% |
| Michigan Technological University | MI | 390 | 91.0% |
| Micro Systems Engineering, Inc. | OR | 74 | 98.7% |
| Microchip Technology Inc. | AZ | 1,207 | 76.6% |
| MICROEXCEL, INC | NJ | 1,653 | 90.3% |
| MICROINFO IT INC | TX | 302 | 99.0% |
| Micron Idaho Semiconductor Manufacturing (Triton) LLC | ID | 78 | 98.7% |
| Micron Technology, Inc. | ID | 3,281 | 89.5% |
| MICRONESIA RESORT INC | MP | 25 | 72.0% |
| Microsoft Corporation | WA | 70,316 | 94.2% |
| MicroStrategy Services Corporation | VA | 362 | 66.3% |
| MicroStrategy, Inc. | VA | 973 | 73.3% |
| Mid Michigan Staffing Agency LLC | MI | 31 | 87.1% |
| Midland Credit Management, Inc | CA | 188 | 94.2% |
| MIDLAND INDEPENDENT SCHOOL DISTRICT | TX | 58 | 84.5% |
| MIDMARK CORPORATION | OH | 29 | 89.7% |
| MidMichigan Physicians Group | MI | 106 | 94.3% |
| MILBANK LLP | NY | 100 | 99.0% |
| Milkyway Education Center, Inc. | NJ | 47 | 91.5% |
| Millennium Info Tech, Inc. | NJ | 1,006 | 89.1% |
| Millennium Mat Company, LLC | GA | 9 | 33.3% |
| Millennium Pharmaceuticals, Inc. | MA | 287 | 88.8% |
| Millennium Software Consulting, LLC | VA | 202 | 76.2% |
| Millennium Software, Inc. | MI | 945 | 65.1% |
| Milliman, Inc. | IL | 280 | 87.5% |
| Milwaukee Board of School Directors | WI | 622 | 99.7% |
| Milwaukee Electric Tool Corporation | WI | 347 | 74.1% |
| Mindlance Inc. | NJ | 1,121 | 91.9% |
| MINDTREE LIMITED | NJ | 6,463 | 97.2% |
| Minerva Surgical, Inc. | CA | 6 | 100.0% |
| Minnesota State Colleges and Universities | MN | 299 | 93.3% |
| Minnetonka Public Schools | MN | 90 | 93.3% |
| MINT DENTISTRY PLLC | TX | 37 | 100.0% |
| MINTEX TECH INC. | NJ | 340 | 93.8% |
| MIRACLE SOFTWARE SYSTEMS, INC. | MI | 1,725 | 96.9% |
| MIRAFRA INC | TX | 405 | 98.5% |
| Mirage Software Inc. dba: Bourntec Solutions | IL | 215 | 95.3% |
| Misfits Market, Inc. | MD | 6 | 66.7% |
| Mission Achievement and Success Charter School | NM | 67 | 100.0% |
| MISSISSIPPI STATE HOSPITAL | MS | 108 | 73.2% |
| Mississippi State University | MS | 756 | 80.3% |
| Missouri State University | MO | 251 | 94.4% |
| Mitchell County Board of Education | GA | 41 | 95.1% |
| MITCHELL/MARTIN, INC. | NY | 1,300 | 98.8% |
| Mitratech Holdings Inc | TX | 57 | 80.7% |
| MM Infotech, Inc. | NC | 75 | 97.3% |
| MM1, Inc. | MI | 49 | 100.0% |
| MMR International LTD | LA | 42 | 85.7% |
| MOBILECOMM PROFESSIONALS, INC. | TX | 306 | 94.1% |
| MobileNet Services, Inc. | CA | 500 | 91.2% |
| Model N, Inc | CA | 542 | 78.8% |
| ModernaTX, Inc. | MA | 349 | 81.7% |
| MODIS E&T, LLC | FL | 110 | 99.1% |
| Modular Mining Systems, Inc. | AZ | 116 | 87.1% |
| Moelis & Company Group LP | NY | 242 | 74.8% |
| Moffatt & Nichol | CA | 146 | 92.5% |
| MOLABS MEDIA LLC | TX | 236 | 98.3% |
| Molecular Epidemiology, Inc. | WA | 75 | 58.7% |
| MOLECULAR TEMPLATES, INC. | TX | 8 | 50.0% |
| Molex, LLC | IL | 604 | 82.8% |
| Mondelez Global LLC | IL | 117 | 86.3% |
| Monitronics International Inc. | TX | 4 | 75.0% |
| Monmouth University | NJ | 63 | 71.4% |
| Monsanto Technology LLC | MO | 755 | 95.9% |
| Montana State University | MT | 385 | 88.6% |
| Montana Technological University, which is part of The University of Montana | MT | 74 | 91.9% |
| Montclair State University | NJ | 222 | 77.0% |
| MONTEFIORE MEDICAL CENTER | NY | 1,715 | 89.8% |
| Montefiore New Rochelle Hospital | NY | 35 | 91.4% |
| Monterey Bay Aquarium Research Institute (MBARI) | CA | 75 | 89.3% |
| Monterey Mushrooms, LLC | CA | 8 | 100.0% |
| Monterey Peninsula Unified School District | CA | 57 | 89.5% |
| Montessori Community School | CA | 137 | 74.5% |
| MONTESSORI WEST, INC. | CA | 48 | 93.8% |
| Monument Health Rapid City Hospital, Inc. | SD | 55 | 96.4% |
| Moody's Analytics, Inc. | NY | 1,426 | 82.0% |
| Moody's Investors Service, Inc. | NY | 764 | 85.3% |
| Morgan Stanley & Co, LLC | NY | 4,305 | 85.5% |
| Morgan Stanley Fund Services Inc. | NY | 142 | 89.4% |
| Morgan Stanley Investment Management Inc. | NY | 226 | 88.0% |
| Morgan Stanley Services Group Inc. | NY | 4,053 | 91.8% |
| Morgan Stanley Smith Barney LLC | NY | 756 | 83.7% |
| Morningstar Inc. | IL | 716 | 93.0% |
| Morrison & Foerster LLP | CA | 213 | 64.8% |
| Morrison, Brown, Argiz & Farra LLC | FL | 36 | 83.3% |
| Morton Grove Pharmaceuticals, Inc | IL | 21 | 52.4% |
| Morton Salt, Inc. | IL | 6 | 66.7% |
| MOSS & ASSOCIATES, LLC | FL | 154 | 95.5% |
| Moss Adams LLP | WA | 131 | 89.3% |
| Motional AD Inc. | MA | 258 | 53.1% |
| MOTOROLA MOBILITY LLC | IL | 2,132 | 64.8% |
| Motorola Solutions, Inc. | IL | 2,317 | 67.8% |
| Mott MacDonald Group Inc. | CA | 224 | 95.5% |
| Mount Auburn Hospital | CA | 83 | 83.1% |
| Mount Auburn Professional Services, Inc. | MA | 48 | 89.6% |
| Mount Carmel School, Inc. | MP | 63 | 65.1% |
| Mount Sinai Hospital | NY | 363 | 97.8% |
| Mount Sinai Hospital Medical Center of Chicago | IL | 58 | 94.8% |
| Mount Sinai Medical Center of Florida | FL | 1,342 | 89.6% |
| Movate Inc. | TX | 34 | 97.1% |
| Move, Inc | CA | 516 | 94.6% |
| MPG Operations LLC | NY | 1,040 | 82.0% |
| Mphasis Corporation | NY | 13,245 | 95.2% |
| MSCI, INC. | NY | 812 | 85.0% |
| Mt. Pleasant School District 4 | ND | 82 | 87.8% |
| Mu Sigma, Inc. | IL | 672 | 89.6% |
| Mueser Rutledge Consulting Engineers PLLC | NY | 53 | 88.7% |
| MUFG Union Bank N.A. | NY | 1,019 | 84.3% |
| MultiCare Health System | WA | 213 | 91.1% |
| MultiPlan, Inc. | NY | 296 | 92.9% |
| MULTIVISION INC | IL | 2,016 | 49.0% |
| Mura Inc. | CA | 380 | 97.1% |
| Mural Oncology, Inc. | MA | 5 | 100.0% |
| Murex North America, Inc. | NY | 232 | 86.6% |
| MURPHY-BROWN LLC | VA | 838 | 81.4% |
| Murray State University | KY | 107 | 78.5% |
| Mustang Bio, Inc. | MA | 12 | 50.0% |
| Mutual Mobile Inc. | TX | 21 | 71.4% |
| Mutual of Omaha Insurance Company | NE | 278 | 89.2% |
| MVHE, Inc. | OH | 62 | 96.8% |
| MY3TECH INC | SD | 244 | 93.8% |
| MYAPPSHUB LLC | WA | 335 | 98.5% |
| Mylan Inc. | PA | 194 | 85.6% |
| Mylan Pharmaceuticals, Inc. | PA | 132 | 79.5% |
| MYTHERAPYCOMPANY, LLC | CO | 48 | 95.8% |
| MYTHRI CONSULTING LLC | TX | 1,336 | 76.5% |