| Milwaukee, WI | MADISON MEDICAL AFFILIATES | 242 | 4 | 242 |
| San Francisco, CA | MADISON REED | 942 | 4 | 917 |
| Fort Collins, CO | MADWIRE, LLC | 332 | 1 | 332 |
| Chicago, IL | MAESTRO FOOD CO. DBA TOVALA | 331 | 2 | 330 |
| Winder, GA | MAGBEE BROTHERS LUMBER AND SUPPLY CO., INC. | 196 | 2 | 196 |
| Haverhill, MA | MAGELLAN AEROSPACE USA | 814 | 4 | 814 |
| Lockport, IL | MAGENTA, LLC | 112 | 5 | 84 |
| Romeoville, IL | MAGID GLOVE AND SAFETY MANUFACTURING COMPANY, LLC. | 490 | 2 | 400 |
| Melrose, MN | MAGNIFI FINANCIAL CREDIT UNION | 379 | 4 | 379 |
| Jupiter, FL | MAGNIT GLOBAL SOLUTIONS, INC | 6,219 | 22 | 10 |
| East Longmeadow, MA | MAGNOLIA MANAGEMENT COMPANY LLC | 147 | 4 | 147 |
| Marietta, OH | MAGNUM MAGNETICS CORPORATION | 299 | 2 | 188 |
| Austin, TX | MAGPUL INDUSTRIES CORP | 153 | 6 | 152 |
| Houston, TX | MAHINDRA USA, INC. | 228 | 2 | 230 |
| Auburn Hills, MI | MAHINDRA VEHICLE MANUFACTURERS LIMITED | 122 | 4 | 122 |
| Birmingham, AL | MAIN STREET CHECKS, INC. | 146 | 5 | 135 |
| Nashville, TN | MAIN STREET RURAL HEALTH, LLC | 857 | 3 | 857 |
| Freeport, ME | MAINE COURSE HOSPITALITY GROUP | 184 | 2 | 216 |
| Winter Haven, FL | MAINSTAY HEALTHCARE MANAGEMENT | 1,220 | 2 | 1,224 |
| Manchester, NH | MAINSTAY TECHNOLOGIES, INC | 98 | 1 | 98 |
| Lenexa, KS | MAINSTREET CREDIT UNION | 132 | 4 | 132 |
| City Of Industry, CA | MAJESTIC REALTY CO. | 260 | 2 | 260 |
| Omaha, NE | MAJORS PLASTICS, INC. | 389 | 2 | 389 |
| Salisbury, NC | MAKSON, INC. | 131 | 5 | 132 |
| New York, NY | MALCA AMIT NORTH AMERICA, INC. | 559 | 11 | 22 |
| Barberton, OH | MALCO PRODUCTS, INC. | 204 | 2 | 209 |
| Loudon, TN | MALIBU BOATS, LLC | 2,033 | 2 | 2,033 |
| Atlanta, GA | MALIK CONSULTING INC. | 145 | 2 | 144 |
| Cleveland, OH | MALONEY + NOVOTNY LLC | 143 | 3 | 98 |
| Santa Clara, CA | MALWAREBYTES CORPORATION | 335 | 4 | 348 |
| Springfield, MO | MAMA JEANS NATURAL FOOD MARKET DBA MAMA JEANS NATURAL MARKET | 89 | 2 | 89 |
| Pembroke, MA | MAMARY, INC. | 331 | 1 | 331 |
| New York, NY | MAN INVESTMENTS USA, HOLDINGS INC. | 398 | 1 | 411 |
| Oran, MO | MANAC TRAILERS | 113 | 6 | 111 |
| Sunrise, FL | MANAGEMENT HEALTH SYSTEMS, LLC | 2,381 | 2 | 2,475 |
| Bethesda, MD | MANAGEMENT LEADERSHIP FOR TOMORROW | 182 | 2 | 182 |
| Palm Beach Gardens, FL | MANAGEMENT MCOA, LLC | 1,110 | 2 | 939 |
| Edinburgh, IN | MANAR, INC. | 146 | 1 | 146 |
| Los Angeles, CA | MANATT, PHELPS & PHILLIPS, LLP | 794 | 9 | 720 |
| Lugoff, SC | MANCOR INDUSTRIES, INC. | 460 | 13 | 677 |
| Opelika, AL | MANDO AMERICA CORPORATION | 1,252 | 2 | 1,398 |
| Kennett Square, PA | MANFREDI COLD STORAGE & DISTRIBUTION | 135 | 6 | 122 |
| Little Rock, AR | MANGAN HOLCOMB RAINWATER CULPEPPER INC. DBA MANGAN HOLCOMB PARTNERS | 105 | 8 | 31 |
| San Diego, CA | MANGO TECHNOLOGIES, INC. DBA CLICKUP | 498 | 4 | 526 |
| Cypress, CA | MANHATTAN BEACHWEAR, LLC | 105 | 2 | 105 |
| Bronx, NY | MANHATTAN BEER DISTRIBUTORS LLC | 551 | 3 | 949 |
| New York, NY | MANHATTAN SCHOOL OF MUSIC | 154 | 5 | 148 |
| Riverdale, NY | MANHATTAN UNIVERSITY | 611 | 5 | 468 |
| Bridgeview, IL | MANITEX INTERNATIONAL, INC. | 209 | 3 | 211 |
| Manitowoc, WI | MANITOWOC TOOL & MACHINING, LLC | 179 | 2 | 179 |
| Kalispell, MT | MANN MORTGAGE, LLC | 13 | 4 | 29 |
| Fairport, NY | MANNING & NAPIER ADVISORS, LLC | 239 | 5 | 184 |
| Mansfield, OH | MANSFIELD ENGINEERED COMPONENTS, INC. | 136 | 1 | 136 |
| Alpharetta, GA | MANUFACTURING RESOURCES INTERNATIONAL | 138 | 2 | 155 |
| Lexington, KY | MAP AFFILIATED SERVICES MANAGEMENT LLC | 617 | 2 | 617 |
| Chesapeake, VA | MAP COMMUNICATIONS, INC. | 1,366 | 3 | 1,384 |
| Clarksville, TN | MAP INDUSTRIES, LLC DBA OEM TUBE ASSEMBLIES | 0 | 1 | 138 |
| North Logan, UT | MAPLE SPRINGS MANAGEMENT | 322 | 4 | 162 |
| Vauxhall, NJ | MAPLECREST GROUP INC | 138 | 5 | 83 |
| Falconer, NY | MAPLEVALE FARMS, INC. | 345 | 11 | 179 |
| Lodi, CA | MAR VAL FOOD STORES NO 1 INC. | 173 | 3 | 173 |
| Chagrin Falls, OH | MAR-BAL, INCORPORATED | 427 | 3 | 405 |
| Charlotte, NC | MARAND BUILDERS, INC. | 180 | 5 | 180 |
| Santa Barbara, CA | MARBORG INDUSTRIES | 378 | 4 | 67 |
| Manchaca, TX | MARBRIDGE FOUNDATION, INC. | 208 | 2 | 208 |
| Cleveland, OH | MARC GLASSMAN, INC. | 984 | 2 | 1,020 |
| Hickory, NC | MARCAL SOUTH, LLC | 730 | 2 | 499 |
| Adams, NY | MARCELLUS CONSTRUCTION CO., INC. | 22 | 1 | 24 |
| Cassville, MO | MARCK INDUSTRIES, INC. | 98 | 2 | 84 |
| Cleveland, OH | MARCUS THOMAS, LLC | 162 | 3 | 158 |
| Winslow, ME | MARDENS INC. | 447 | 2 | 447 |
| Cuyahoga Falls, OH | MARHOFER CHEVROLET INC. | 331 | 2 | 331 |
| San Rafael, CA | MARIN SANITARY SERVICES | 193 | 3 | 193 |
| Harlingen, TX | MARINE MILITARY ACADEMY, INC | 100 | 3 | 100 |
| Charleston, SC | MARINE REPAIR SERVICES, INC. | 645 | 3 | 645 |
| Overland Park, KS | MARINER WEALTH ADVISORS, LLC | 1,654 | 4 | 1,654 |
| Palatine, IL | MARIO TRICOCI HAIR SALON & DAY SPAS, LLC | 944 | 3 | 680 |
| Ocala, FL | MARION COUNTY MEDICAL SOCIETY INC. INSURANCE TRUST FUND | 5,380 | 7 | 2,114 |
| Metairie, LA | MARITIME PILOT SERVICES, INC. | 111 | 7 | 60 |
| Elmwood, WI | MARK ANDERSON COMPANIES, INC. | 250 | 5 | 250 |
| Irvine, CA | MARK BEAMISH WATERPROOFING, INC. | 127 | 4 | 127 |
| Ontario, CA | MARK CHRISTOPHER CHEVROLET | 137 | 3 | 234 |
| Elizabeth, NJ | MARK IV TRANSPORTATION, INC. | 107 | 3 | 63 |
| Pomeroy, OH | MARK PORTER AUTOPLEX, INC. | 197 | 5 | 68 |
| San Jose, CA | MARK THOMAS & COMPANY | 376 | 8 | 376 |
| Arvada, CO | MARK VII EQUIPMENT, INC. | 196 | 2 | 230 |
| New York, NY | MARK43, INC. | 222 | 5 | 233 |
| Durham, NC | MARKEN LLP | 816 | 4 | 624 |
| New York, NY | MARKETAXESS CORPORATION | 573 | 4 | 587 |
| Dalton, GA | MARKETING ALLIANCE GROUP, INC. | 554 | 4 | 526 |
| Omaha, NE | MARKETSPHERE | 140 | 2 | 140 |
| Milwaukee, WI | MARKING SERVICES, INC. | 206 | 3 | 212 |
| City Of Industry, CA | MARKWINS BEAUTY BRANDS, INC. | 180 | 2 | 180 |
| Los Angeles, CA | MARMOL RADZINER, AN ARCHITECTURAL CORPORATION | 125 | 3 | 123 |
| Montville, NJ | MAROTTA CONTROLS, INC. | 784 | 7 | 784 |
| Willoughby, OH | MAROUS BROTHERS CONSTRUCTION, INC. | 0 | 2 | 165 |
| Oakland, CA | MARQETA, INC. | 740 | 9 | 730 |
| Cazenovia, NY | MARQUARDT SWITCHES, INC. | 281 | 8 | 281 |
| Naperville, IL | MARQUETTE MANAGEMENT, INC. | 357 | 2 | 357 |
| City Of Industry, CA | MARQUEZ BROTHERS ENTERPRISES, INC. | 78 | 6 | 68 |
| San Jose, CA | MARQUEZ BROTHERS INTERNATIONAL, INC. | 358 | 6 | 314 |
| Chatsworth, GA | MARQUIS INDUSTRIES INC. | 282 | 2 | 355 |
| Tulsa, OK | MARRS ELECTRIC LLC, INCLUDING MARRS ELECTRIC INC OF ARKANSAS | 175 | 2 | 167 |
| Mayfield Village, OH | MARS ELECTRIC COMPANY | 149 | 2 | 203 |
| Mars Hill, NC | MARS HILL UNIVERSITY | 171 | 5 | 198 |
| Roanoke, VA | MARSH & MCLENNAN AGENCY, LLC, MID-ATLANTIC | 4,083 | 107 | 1,433 |
| Chicago, IL | MARSHALL ASSOCIATES | 100 | 4 | 98 |
| Park Ridge, IL | MARSHALL INVESTIGATIVE GROUP | 152 | 1 | 141 |
| Chicago, IL | MARSHALL, GERSTEIN & BORUN LLP | 209 | 3 | 220 |
| Washington, DC | MARTEK GLOBAL SERVICES, INC. | 122 | 6 | 96 |
| Nashville, TN | MARTHA O'BRYAN CENTER | 89 | 2 | 122 |
| Washington, DC | MARTHA'S TABLE | 124 | 3 | 123 |
| Glenwood, MN | MARTHALER AUTOMOTIVE LTD | 0 | 2 | — |
| New York, NY | MARTIN CLEARWATER & BELL LLP | 144 | 3 | 190 |
| Neponset, IL | MARTIN ENGINEERING COMPANY | 231 | 1 | 231 |
| Florence, AL | MARTIN SUPPLY COMPANY INCOPORATED | 323 | 3 | 420 |
| Nashville, TN | MARTIN'S BARBECUE, LLC | 138 | 4 | 116 |
| Chambersburg, PA | MARTIN'S FAMOUS PASTRY SHOPPE, INC. | 1,133 | 1 | 1,133 |
| Ontario, CA | MARTINEZ STEEL CORPORATION | 125 | 3 | 35 |
| Auburn Hills, MI | MARTINREA INDUSTRIES, INC. | 3,544 | 4 | 3,837 |
| New York, NY | MARUBENI AMERICA CORPORATION | 697 | 2 | 697 |
| West Columbia, SC | MARWIN HOLDCO, INC. DBA THE MARWIN COMPANY, INC. | 818 | 13 | 109 |
| New York, NY | MARWOOD GROUP & CO, USA LLC | 197 | 5 | 197 |
| Rochester, NY | MARY CARIOLA CHILDREN'S CENTER, INC | 570 | 5 | 190 |
| St. Louis, MO | MARY INSTITUTE AND SAINT LOUIS COUNTRY DAY SCHOOL | 268 | 2 | 268 |
| Linthicum Heights, MD | MARYLAND CARE MANAGEMENT INC | 130 | 2 | — |
| Maryville, TN | MARYVILLE COLLEGE | 360 | 13 | 78 |
| Lake Park, FL | MASCHMEYER CONCRETE COMPANY OF FLORIDA | 788 | 2 | 788 |
| Naples, FL | MASON CLASSICAL ACADEMY, INC | 137 | 2 | 137 |
| Chippewa Falls, WI | MASON COMPANIES, INC | 300 | 2 | 300 |
| Beaumont, TX | MASON CONSTRUCTION, LLC | 162 | 4 | 174 |
| Burlington, NJ | MASONIC CHARITY FOUNDATION OF NEW JERSEY | 236 | 2 | 236 |
| North Adams, MA | MASS MOCA FOUNDATION, INC. | 108 | 2 | 108 |
| Alcoa, TN | MASSEY CONSTRUCTION, INC. | 225 | 3 | 293 |
| Alexandria, MN | MASSMAN COMPANIES, INC. | 714 | 2 | 403 |
| White Plains, NY | MAST-JAGERMEISTER US | 173 | 2 | 184 |
| Moon Township, PA | MASTECH DIGITAL | 615 | 6 | 434 |
| Perrysburg, OH | MASTER CHEMICAL CORPORATION | 126 | 4 | 140 |
| Carol Stream, IL | MASTER MARKETING INTERNATIONAL DBA TRULY ENGAGING | 189 | 2 | 97 |
| Garden Grove, CA | MASTROIANNI FAMILY ENTERPRISES LTD | 106 | 5 | 62 |
| San Diego, CA | MAT EXPRESS, INC | 88 | 2 | 88 |
| Croswell, MI | MATERIAL CONTROL INC. EMPLOYEE INSURANCE PLAN | 387 | 3 | 434 |
| Wilkes Barre, PA | MATERNAL AND FAMILY HEALTH SERVICES INC | 191 | 4 | 161 |
| Parkersburg, WV | MATHENY MOTOR TRUCK COMPANY | 352 | 2 | 265 |
| Evanston, IL | MATHER | 598 | 3 | 622 |
| Belfast, ME | MATHEWS BROTHERS COMPANY | 261 | 2 | 262 |
| Columbus, OH | MATIC INSURANCE SERVICES, INC. | 200 | 4 | 194 |
| Seneca, PA | MATRIC LIMITED | 330 | 7 | 229 |
| Westerville, OH | MATRIX ADHESIVES GROUP, LLC | 251 | 3 | 250 |
| Colorado Springs, CO | MATRIX DESIGN GROUP, INC. | 204 | 5 | 208 |
| Foster City, CA | MATRIXX SOFTWARE, INC. | 84 | 6 | 81 |
| Fort Myers, FL | MATTER BROTHERS FURNITURE | 128 | 4 | 70 |
| Sunnyvale, CA | MATTERPORT, INC | 351 | 5 | 507 |
| Honolulu, HI | MAUI DIVERS OF HAWAII | 144 | 4 | 144 |
| Maumee, OH | MAUMEE ASSEMBLY AND STAMPING | 88 | 1 | 88 |
| Saint Louis, MO | MAUNE RAICHLE HARTLEY FRENCH & MUDD, LLC | 335 | 2 | 335 |
| New York, NY | MAVEN CLINIC CO | 453 | 2 | 544 |
| Frisco, TX | MAVERICK FITNESS HOLDINGS, LLC | 140 | 3 | 140 |
| Lenexa, KS | MAWD PATHOLOGY GROUP | 485 | 2 | 278 |
| Parlier, CA | MAXCO SUPPLY, INC. | 176 | 3 | 317 |
| San Jose, CA | MAXEON AMERICAS, INC. | 133 | 3 | 136 |
| Hickory, NC | MAXIMUS HEALTH GROUP, LLC | 148 | 4 | 301 |
| North Kansas City, MO | MAXUS PROPERTIES LLC | 179 | 4 | 160 |
| Daniel Island, SC | MAXWOOD FURNITURE INC. | 121 | 1 | 121 |
| Las Vegas, NV | MAY MANUFACTURING | 59 | 6 | 59 |
| Altoona, PA | MAYBROOK-C VALLEY VIEW OPCO, LLC | 171 | 1 | 171 |
| Katy, TX | MAYEKAWA U.S.A., INC. | 172 | 3 | 170 |
| Dallas, TX | MAYER, LLP | 257 | 6 | 135 |
| Los Angeles, CA | MAYESH WHOLESALE FLORIST, INC. | 391 | 9 | 287 |
| Winter Park, FL | MAYFLOWER RETIREMENT CENTER, INC. | 257 | 2 | 257 |
| Mayfield Village, OH | MAYFRAN INTERNATIONAL, INC. | 202 | 1 | 205 |
| Rochester, MN | MAYO EMPLOYEES FEDERAL CREDIT UNION | 126 | 2 | 126 |
| Alexandria, VA | MAYVIN INC | 550 | 4 | 550 |
| Elgin, IL | MAZAK OPTONICS CORPORATION | 127 | 1 | 127 |
| Wall Township, NJ | MAZZA RECYCLING SERVICES LTD | 126 | 3 | 41 |
| Cleveland, OH | MAZZELLA HOLDING COMPANY, INC. | 1,082 | 2 | 975 |
| Lehighton, PA | MB CASTINGS LLC | 107 | 4 | 89 |
| Libertyville, IL | MBA BUILDING SUPPLIES INC. | 191 | 3 | 145 |
| Archbold, OH | MBC HOLDINGS OF OHIO, INC. | 164 | 3 | 164 |
| Norwalk, CT | MBI, INC. | 264 | 2 | 337 |
| Manhattan Beach, CA | MBS ASSET MANAGEMENT LLC | 1,093 | 25 | 192 |
| Holmdel, NJ | MBS HIGHWAY, LLC | 81 | 2 | 83 |
| Houston, TX | MC2 CIVIL, LLC | 212 | 2 | 233 |
| Wellington, KS | MCALISTER OIL, LLC | 104 | 3 | 75 |
| Kansas City, KS | MCANANY, VAN CLEAVE & PHILLIPS, P.A. | 207 | 3 | 205 |
| Chicago, IL | MCANDREWS, HELD AND MALLOY, LTD. | 181 | 4 | 92 |
| Newark, NJ | MCCARTER & ENGLISH, LLP | 742 | 6 | 119 |
| Ridgeland, MS | MCCLAIN SONICS, INC. | 98 | 2 | 88 |
| Little Rock, AR | MCCLELLAND CONSULTING ENGINEERS, INC. | 235 | 6 | 20 |
| Rockville, MD | MCCORMICK PAINT WORKS COMPANY | 106 | 20 | 35 |
| Fresno, CA | MCCORMICK, BARSTOW, SHEPPARD, WAYTE & CARRUTH LLP | 177 | 5 | 177 |
| San Marcos, TX | MCCOY'S | 2,551 | 5 | 1,609 |
| New York Mills, NY | MCCRAITH BEVERAGES, INC. | 127 | 7 | 117 |
| Houston, TX | MCDANIEL METALS, LLC | 223 | 5 | 223 |
| Chicago, IL | MCDERMOTT CENTER DBA HAYMARKET CENTER | 342 | 4 | 241 |
| Clifton Park, NY | MCDONNELL AND MCMAHON PEDIATRIC DENTISTRY, PLLC | 182 | 7 | 182 |
| Summerville, SC | MCELVEEN BUICK GMC, INC. | 185 | 3 | 185 |
| Binghamton, NY | MCFARLAND JOHNSON INC. | 219 | 4 | 140 |
| Baldwin City, KS | MCFARLANE AVIATION, LLC | 151 | 2 | 151 |
| Chicago, IL | MCGAW MEDICAL CENTER OF NORTHWESTERN UNIVERSITY | 1,297 | 4 | 1,297 |
| Meadville, PA | MCGILL, POWER, BELL AND ASSOCIATES, LLP | 110 | 3 | 110 |
| Dayton, OH | MCGOHAN BRABENDER, INC. | 252 | 11 | 270 |
| Westmont, IL | MCGRATH-COLOSIMO LTD | 755 | 26 | 352 |
| Cullman, AL | MCGRIFF INDUSTRIES, INC. | 389 | 5 | 278 |
| Pensacola, FL | MCGUIRE'S MANAGEMENT GROUP, LLC | 335 | 2 | 335 |
| Upper Marlboro, MD | MCHALE LANDSCAPE DESIGN, INC. | 362 | 30 | 50 |
| Canaan, CT | MCI HEALTHCARE LLC DBA MOUNTAINSIDE TREATMENT CENTER | 288 | 1 | 291 |
| Lexington, NC | MCINTYRE MANUFACTURING GROUP, INC. | 109 | 2 | 109 |
| Richmond, KY | MCKAMEY & GATES, INC. DBA GATES AUTOMOTIVE GROUP | 345 | 6 | 341 |
| Independence, MO | MCKEEVER ENTERPRISES, INC. | 381 | 3 | 229 |
| Norwalk, CA | MCKENNA MOTOR COMPANY, INC. | 409 | 6 | 409 |
| Sandusky, MI | MCKENZIE MEMORIAL HOSPITAL MCKENZIE HEALTH SYSTEM | 200 | 3 | 201 |
| Raleigh, NC | MCKIM & CREED, INC. | 825 | 2 | 828 |
| Combined Locks, WI | MCKINLEY PAPER WI COMPANY | 305 | 3 | 300 |
| Birmingham, AL | MCKINNEY COMMUNICATIONS CORPORATION | 243 | 2 | 243 |
| Durham, NC | MCKINNEY VENTURES, LLC | 226 | 2 | 512 |
| Indianapolis, IN | MCL, INC. | 109 | 2 | 109 |
| Temple, TX | MCLANE GROUP, L.P. | 335 | 4 | 335 |
| Woodcliff Lake, NJ | MCLAREN TECHNICAL SERVICES, INC. | 235 | 14 | 235 |
| Little Rock, AR | MCLARTY AUTOMOTIVE GROUP | 1,663 | 2 | 1,663 |
| Waco, TX | MCLENNAN COUNTY MEDICAL EDUCATION AND RESEARCH FOUNDATION | 550 | 3 | 516 |
| South Point, OH | MCNATIONAL, INC. | 1,233 | 2 | 653 |
| Research Triangle Park, NC | MCNC | 131 | 4 | 131 |
| Gretna, NE | MCNEIL INDUSTRIAL, INC. | 106 | 1 | 103 |
| Lake Zurich, IL | MCNELLY SERVICES INC. | 130 | 3 | 132 |
| Aurora, IL | MCNISH, LLC | 108 | 3 | 108 |
| Bradenton, FL | MCR HEALTH | 706 | 6 | 719 |
| Knoxville, TN | MCROCKET LLC | 90 | 4 | 90 |
| Easton, PA | MCS INDUSTRIES, INC. | 91 | 7 | 84 |
| Rosemont, IL | MCSHANE CONSTRUCTION COMPANY LLC | 352 | 5 | 319 |
| Louisville, KY | MD KY ALUMINUM LLC DBA CARDINAL ALUMINUM CO | 85 | 5 | 85 |
| Plainfield, IN | MD LOGISTICS LLC | 409 | 2 | 409 |
| Schaumburg, IL | MD RESTAURANT GROUP, LLC | 120 | 2 | 143 |
| Boca Raton, FL | MDVIP, LLC | 425 | 6 | 501 |
| Lamberton, MN | MEADOWLAND FARMERS COOP | 168 | 1 | 168 |
| Worcester, PA | MEADOWOOD CORPORATION | 229 | 1 | 229 |
| Bozeman, MT | MEATEATER INC. | 132 | 2 | 132 |
| Manassas, VA | MECHANICAL ELECTRICAL PLUMBING PARTNERS | 125 | 1 | 125 |
| St. Louis, MO | MECHANICAL SOLUTIONS, INC. | 161 | 1 | 161 |
| Valencia, CA | MECHANIX WEAR LLC | 151 | 3 | 68 |
| Morehead City, NC | MECHWORKS MECHANICAL CONTRACTORS INC | 97 | 1 | 97 |
| New York, NY | MEDALLION FINANCIAL CORP | 168 | 1 | 171 |
| Tulsa, OK | MEDALLION OPERATING COMPANY, LLC | 0 | 3 | 161 |
| Syracuse, NY | MEDBEST MEDICAL MANAGEMENT, INC. | 736 | 4 | 705 |
| Greensburg, PA | MEDCARE EQUIPMENT COMPANY LLC | 273 | 13 | 230 |
| Dallas, TX | MEDECISION, INC. | 161 | 1 | 161 |
| Franklin, TN | MEDHOST SERVICES, INC. | 491 | 2 | 491 |
| Broomall, PA | MEDIA PLUMBING | 108 | 1 | 108 |
| Chicago, IL | MEDIAFLY, INC. | 106 | 3 | 91 |
| Fairfield, CA | MEDIC AMBULANCE SERVICE INC | 265 | 7 | 299 |
| Beachwood, OH | MEDIC MANAGEMENT GROUP, LLC | 101 | 3 | 101 |
| Syracuse, NY | MEDICAL ANSWERING SERVICES, LLC | 415 | 3 | 248 |
| Melbourne, FL | MEDICAL ASSOCIATES OF BREVARD, LLC | 155 | 5 | 155 |
| Philadelphia, PA | MEDICAL GUARDIAN, LLC | 350 | 3 | — |
| Williamsville, NY | MEDICAL HEALTH ASSOCIATES OF WESTERN NEW YORK, PLLC | 162 | 1 | 168 |
| Linthicum, MD | MEDICAL MANAGEMENT & REHABILITATION SERVICES INC. | 231 | 3 | 201 |
| Rochester, NY | MEDICAL MOTOR SERVICE OF ROCHESTER AND MONROE COUNTY INC | 147 | 5 | 35 |
| Philadelphia, PA | MEDICAL PRODUCTS LABORATORIES, INC. | 63 | 4 | 63 |
| Oakwood Village, OH | MEDICAL SERVICE COMPANIES | 568 | 2 | 635 |
| Pinellas Park, FL | MEDICAL TECHNOLOGY ASSOCIATES LLC | 214 | 1 | 214 |
| Denver, CO | MEDILOGIX, LLC | 116 | 2 | 116 |
| Atlanta, GA | MEDITOLOGY SERVICES, LLC | 74 | 2 | 74 |
| Colbert, GA | MEDLINK GEORGIA, INC. | 395 | 3 | 223 |
| Fort Wayne, IN | MEDPRO GROUP INC. | 1,214 | 3 | 1,296 |
| Sparta, IL | MEDSTAR AMBULANCE, INC. | 198 | 2 | 129 |
| Columbia, MD | MEDSTAR GEORGETOWN MEDICAL CENTER, INC. | 4,146 | 5 | 1,163 |
| Park Ridge, IL | MEDTEC HEALTHCARE & PRIVATE DUTY, LLC | 250 | 2 | 250 |
| Totowa, NJ | MEDTECH 7 HOLDINGS, LLC DBA VELOCITY | 132 | 7 | 116 |
| Dallas, OR | MEDURI FARMS, INC | 260 | 6 | 31 |
| Miami, FL | MEDUSIND, INC. | 408 | 4 | 430 |
| Lake Mary, FL | MEDWATCH, LLC. | 301 | 2 | 301 |
| San Diego, CA | MEDWATCHERS, INC. | 136 | 2 | 136 |
| Charleston, SC | MEETING STREET SCHOOLS | 218 | 2 | 310 |
| Severn, NC | MEHERRIN AGRICULTURAL & CHEMICAL CO., INC. | 1,429 | 12 | 1,081 |
| New York, NY | MEISTER SEELIG & FEIN PLLC | 119 | 1 | 119 |
| Rancho Santa Margarita, CA | MELISSA DATA CORP | 149 | 4 | 133 |
| Elgin, IL | MELITTA PROFESSIONAL COFFEE SOLUTIONS USA, INC. | 155 | 3 | 143 |
| Berwyn, PA | MELMARK, INC. | 639 | 4 | 469 |
| Houston, TX | MELTON & MELTON, L.L.P. | 130 | 2 | 134 |
| Lexington, KY | MEMBERS HERITAGE CREDIT UNION | 131 | 6 | 17 |
| New York, NY | MENDES & MOUNT, LLP | 137 | 3 | 137 |
| Billings, MT | MENHOLT AUTOMOTIVE GROUP | 461 | 8 | 482 |
| Parsippany, NJ | MENLO ACQUISITION CORPORATION | 65 | 8 | 43 |
| Mountain View, CA | MENLO SECURITY INC | 170 | 5 | 226 |
| St. Petersburg, FL | MENORAH MANOR, INC. | 165 | 3 | 28 |
| Chicopee, MA | MENTAL HEALTH ASSOCIATION, INC. | 196 | 3 | 237 |
| Nashville, TN | MENTAL HEALTH COOPERATIVE, INC. | 622 | 4 | 331 |
| Sugar Land, TX | MERCEDES-BENZ OF SUGAR LAND | 153 | 2 | 153 |
| Culpeper, VA | MERCHANTS GROCERY COMPANY, INC. | 121 | 1 | 134 |
| Buffalo, NY | MERCHANTS MUTUAL INSURANCE COMPANY | 321 | 5 | 199 |
| Mission, KS | MERCURY BROADBAND, LLC | 338 | 4 | 338 |
| Clearwater, FL | MERCURY ENTERPRISES INC | 160 | 6 | 96 |
| Strasburg, VA | MERCURY PAPER INC. | 254 | 3 | 242 |
| City Of Industry, CA | MERCURY PLASTICS, INC. | 213 | 8 | 62 |
| Rochester, NY | MERCURY PRINT PRODUCTIONS INC. | 160 | 21 | 142 |
| San Francisco, CA | MERCURY TECHNOLOGIES INC | 633 | 4 | 656 |
| Rockford, IL | MERCY HEALTH CORPORATION | 5,382 | 3 | 5,382 |
| Erie, PA | MERCYHURST UNIVERSITY | 372 | 2 | 372 |
| Wilkes-barre, PA | MERICLE CONSTRUCTION, INC. | 284 | 1 | 343 |
| New Holland, PA | MERIDIAN PRODUCTS LLC | 115 | 4 | 107 |