| Monroe, MI | HUDSON INDUSTRIES, INC. | 192 | 5 | 160 |
| Dallas, TX | HUITT-ZOLLARS, INC. | 510 | 5 | 396 |
| Grand Rapids, MI | HUIZENGA MANUFACTURING GROUP | 532 | 26 | 162 |
| Austin, TX | HULL SUPPLY COMPANY, INC. | 109 | 4 | 77 |
| Chicago, IL | HUMAN RESOURCES DEVELOPMENT INSTITUTE, INC. | 170 | 4 | 173 |
| Alexandria, VA | HUMAN RESOURCES RESEARCH ORGANIZATION | 184 | 10 | 184 |
| Dallas, TX | HUMANETICS II, LTD | 194 | 3 | 121 |
| San Marcos, TX | HUNTER INDUSTRIES, LTD | 648 | 2 | 874 |
| Oklahoma City, OK | HUNZICKER BROTHERS, INC. | 115 | 4 | 103 |
| Bechtelsville, PA | HUTTS GLASS CO., INC. | 25 | 8 | 25 |
| Chicago, IL | HYDRO INCORPORATED | 373 | 3 | 373 |
| Cedar Park, TX | HYLIION, INC. | 92 | 2 | 109 |
| Houston, TX | I-PRO AMERICAS, INC. | 198 | 2 | 220 |
| Huntington, WV | I.U.O.E. LOCAL #132 H & W FUND | 2,055 | 1 | 1,530 |
| Tinley Park, IL | IBEW 9 HEALTH AND WELFARE RETIREE PLAN | 1,216 | 2 | 1,212 |
| Roseland, NJ | IBEW LOCAL 607 HEALTH AND WELFARE FUND | 165 | 3 | 211 |
| Cedar Park, TX | IDEA AUTO GROUP, LLC | 409 | 2 | 616 |
| Fort Worth, TX | IDEAL PARTNERS MANAGEMENT GROUP, LLC | 167 | 2 | 167 |
| Springfield, IL | ILLINOIS BANKERS ASSOCIATION | 1,660 | 3 | 1,163 |
| Chicago, IL | ILLINOIS INSTITUTE OF TECHNOLOGY | 1,063 | 6 | 1,078 |
| Oklahoma City, OK | IMAGENET CONSULTING, LLC | 520 | 4 | 233 |
| Tulsa, OK | IMPERIAL LLC | 514 | 3 | 811 |
| San Antonio, TX | IMPROVED PIPING PRODUCTS, INC. | 135 | 4 | 135 |
| Des Plaines, IL | IMS COMPANIES, LLC | 449 | 3 | 449 |
| Gilman, IL | INCOBRASA INDUSTRIES, LTD. | 226 | 3 | 226 |
| Houston, TX | INCORP HOLDINGS, LLC | 147 | 4 | 128 |
| Philadelphia, PA | INDEPENDENCE BLUE CROSS, LLC | 4,217 | 23 | 4,217 |
| San Antonio, TX | INDO-MIM, INC. | 180 | 7 | 188 |
| Deer Park, TX | INDUSTRIAL SPECIALTY SERVICES USA LLC | 381 | 4 | 381 |
| Manhattan, KS | INDUSTRIAL STEEL MANAGEMENT, INC | 124 | 3 | 126 |
| Houston, TX | INFRASTRUCTURE NETWORKS, INC. | 111 | 3 | 93 |
| Hobbs, NM | INGRAM PROFESSIONAL SERVICES, INC. | 453 | 2 | 365 |
| New Braunfels, TX | INGRAM READY MIX, INC. | 834 | 5 | 788 |
| Navasota, TX | INGURAN, LLC | 791 | 4 | 577 |
| Chicago, IL | INNER-CITY MUSLIM ACTION NETWORK | 95 | 2 | 111 |
| Greenville, TX | INNOVATION FIRST INTERNATIONAL, INC. | 174 | 2 | 174 |
| Irving, TX | INOVAR PACKAGING GROUP, LLC | 594 | 6 | 341 |
| Naperville, IL | INPRODUCTION | 525 | 2 | 557 |
| San Antonio, TX | INSCO DISTRIBUTING, INC. | 244 | 5 | 244 |
| New Orleans, LA | INSPIRENOLA CHARTER SCHOOLS | 562 | 4 | 562 |
| Holly Springs, MS | INSTITUTE OF COMMUNITY SERVICES, INC. | 505 | 3 | 481 |
| Austin, TX | INSURANCEZEBRA, INC | 246 | 2 | 246 |
| Houston, TX | INTEGRATED PROCESS RESOURCE | 147 | 2 | 147 |
| Burr Ridge, IL | INTEGRATED PROJECT MANAGEMENT CO., INC. | 428 | 3 | 138 |
| Kalispell, MT | INTEGRATED SECURITY SOLUTIONS INC. | 117 | 2 | 140 |
| Rosemont, IL | INTELLIGENT MEDICAL OBJECTS, INC. | 303 | 4 | 312 |
| Bedford Park, IL | INTELLIGENTSIA COFFEE, INC. | 187 | 3 | 187 |
| La Porte, TX | INTERCONTINENTAL TERMINALS COMPANY LLC | 438 | 3 | 471 |
| Carrollton, TX | INTERCOOL USA, LLC | 109 | 2 | 109 |
| Lincolnshire, IL | INTERIOR INVESTMENTS LLC | 144 | 4 | 223 |
| Houston, TX | INTERLINC MORTGAGE SERVICES, LLC | 163 | 4 | 113 |
| Country Club Hills, IL | INTERNATIONAL CODE COUNCIL | 149 | 2 | 349 |
| Dallas, TX | INTERNATIONAL MARINA GROUP I, LP | 3,052 | 6 | 1,489 |
| Chicago, IL | INTERPARK HOLDINGS LLC | 256 | 5 | 254 |
| Odessa, TX | INTERSTATE TREATING, INC. | 146 | 2 | 203 |
| Midland, TX | INTREPID DIRECTIONAL DRILLING SERVICES | 47 | 3 | 39 |
| Irvine, CA | INVASIX, INC. | 244 | 2 | 276 |
| Odessa, TX | INVESTMENT CORPORATION OF AMERICA | 210 | 4 | 216 |
| Walcott, IA | IOWA 80 GROUP, INC. | 368 | 1 | 452 |
| Perkins, OK | IOWA TRIBE OF OKLAHOMA WELFARE BENEFIT P | 336 | 6 | 335 |
| San Antonio, TX | IPSECURE INC. | 86 | 3 | 84 |
| Austin, TX | IRIS TELEHEALTH INC | 678 | 2 | 678 |
| Corpus Christi, TX | IRON HORSE TOOLS, LLC | 108 | 2 | 169 |
| Watseka, IL | IROQUOIS MEMORIAL HOSPITAL | 255 | 5 | 280 |
| Garland, TX | ISLAMIC SERVICES FOUNDATION | 142 | 1 | 142 |
| Scott, LA | ISLAND OPERATING COMPANY, INC. | 809 | 3 | 809 |
| Anaheim, CA | ISOSCELES HOLDINGS, LLC DBA VENTURI RESTORATION | 0 | 3 | 365 |
| Port Arthur, TX | ITEX PROPERTY MANAGEMENT LLC | 113 | 2 | 265 |
| Wilmington, IL | ITI INTERMODAL, INC. | 349 | 4 | 372 |
| Lincolnshire, IL | J R CARLSON LABORATORIES | 150 | 2 | 150 |
| Hagerman, NM | J&R OILFIELD SERVICES LLC | 143 | 2 | 138 |
| Beaumont, TX | J. ALLEN MANAGEMENT | 166 | 2 | 166 |
| Fort Worth, TX | J.C. PACE HOLDING COMPANY | 0 | 5 | 68 |
| Skokie, IL | JADE FINANCIAL, LLC | 258 | 2 | 258 |
| Whitehouse, TX | JASPER VENTURES, INC. | 63 | 2 | 72 |
| Dallas, TX | JDC HEALTHCARE MANAGEMENT, LLC | 759 | 4 | 872 |
| Chicago, IL | JDRC MANAGED SERVICES, LLC | 2,509 | 17 | 1,765 |
| West Chicago, IL | JEL SERT CO | 445 | 3 | 1,076 |
| Mchenry, IL | JESSUP MANUFACTURING COMPANY | 98 | 3 | 54 |
| San Antonio, TX | JET WEB COMMUNICATIONS | 125 | 2 | 125 |
| Austin, TX | JIMMY EVANS COMPANY, LTD | 319 | 3 | 63 |
| Weatherford, TX | JMK HOLDINGS MANAGEMENT CO., LLC | 210 | 4 | 200 |
| Orland Park, IL | JOE RIZZA ENTERPRISES | 129 | 2 | 129 |
| San Antonio, TX | JOERIS GENERAL CONTRACTORS, LLC | 708 | 7 | 644 |
| Orland Park, IL | JOHN BURNS CONSTRUCTION CO | 322 | 2 | 298 |
| Guthrie, OK | JOHN VANCE AUTO GROUP | 210 | 3 | 210 |
| Chicago, IL | JOHNSON & BELL, LTD. | 167 | 5 | 21 |
| Niles, IL | JOHNSON & QUIN, INC. | 98 | 5 | 98 |
| San Antonio, TX | JOHNSON BROS. BAKERY SUPPLY, INC. | 170 | 8 | 83 |
| Westmont, IL | JOHNSON SERVICE GROUP, INC. | 123 | 2 | 155 |
| Chicago, IL | JOINT BD OF SEIU LOCAL 1 AND PARTICIPATING EMPLOYERS | 47 | 3 | 9 |
| San Antonio, TX | JORDAN FORD, LTD. | 128 | 5 | 104 |
| El Paso, TX | JORDAN FOSTER CONSTRUCTION, LLC | 383 | 6 | — |
| Lawrenceville, NJ | JOSEPH JINGOLI & SON, INC. | 581 | 5 | 546 |
| Chicago, IL | JOSEPH T. RYERSON & SON, INC. | 2,908 | 6 | 2,357 |
| Austin, TX | JOURNEYMAN CONSTRUCTION, INC. | 287 | 2 | 184 |
| San Antonio, TX | JRE GOLF CARS, LLC | 103 | 2 | 115 |
| Lockport, IL | JULIAN ELECTRIC INC | 469 | 8 | 458 |
| Great Falls, MT | JUNKERMIER, CLARK, CAMPANELLA, STEVENS, PC | 100 | 9 | 72 |
| Johnstown, PA | JWF INDUSTRIES, INC | 475 | 5 | 323 |
| Glendale Heights, IL | K&K SCREW PRODUCTS, L.L.C. KKSP PRECISION MACHINING | 167 | 7 | 166 |
| Robstown, TX | K&R OPERATING, LLC | 187 | 2 | 187 |
| Brookshire, TX | K-3 RESOURCES, LP | 129 | 2 | 128 |
| Chicago, IL | K2 SERVICES, LLC | 409 | 4 | 320 |
| Kalispell, MT | KALISPELL FORD | 163 | 22 | 192 |
| Carlinville, IL | KARMAK, INC. | 233 | 5 | 233 |
| Mcgregor, TX | KASPARIAN UNDERGROUND LLC | 94 | 2 | 91 |
| Algonquin, IL | KENMODE TOOL & ENGINEERING, INC. | 112 | 3 | 141 |
| Mcallen, TX | KENNETH FOX SUPPLY COMPANY | 345 | 3 | 345 |
| Elk Grove Village, IL | KENNETH YOUNG CENTER | 302 | 2 | 302 |
| Bozeman, MT | KENYON NOBLE LUMBER COMPANY | 333 | 4 | 348 |
| Austin, TX | KERBEY LANE CAFE, INC. | 685 | 3 | 50 |
| Moline, IL | KEY AUTO MALL, INC. | 145 | 2 | 145 |
| Itasca, IL | KEYENCE CORPORATION OF AMERICA | 1,683 | 6 | 1,683 |
| Rhome, TX | KEYSTONE SYNERGY, LLC | 230 | 2 | 279 |
| Deerfield, IL | KGH CONSULTATION & TREATMENT, INC. DBA KGH AUTISM SERVICES | 0 | 3 | 66 |
| Chicago, IL | KIDS & COMPANY | 346 | 2 | 813 |
| Chicago, IL | KIDS ABOVE ALL | 189 | 4 | 189 |
| Fort Worth, TX | KING & GEORGE, LLC | 353 | 13 | 410 |
| Addison, TX | KING AEROSPACE, INC. | 202 | 9 | 142 |
| Coppell, TX | KINGS III OF AMERICA, LLC | 347 | 4 | 348 |
| Chicago, IL | KIPP CHICAGO SCHOOLS | 387 | 2 | 387 |
| Quincy, IL | KLINGNER & ASSOCIATES, P.C. | 140 | 1 | 140 |
| Effingham, IL | KOERNER DISTRIBUTOR INC. | 338 | 3 | 210 |
| Dallas, TX | KOETTER FIRE PROTECTION, LLC | 260 | 2 | 256 |
| Dallas, TX | KOFILE, INC. | 493 | 3 | 493 |
| Chicago, IL | KOLCRAFT ENTERPRISES INC | 130 | 5 | 66 |
| Austin, TX | KOMICO TECHNOLOGY, INC. | 394 | 3 | 203 |
| Austin, TX | KOMPAN, INC. | 201 | 9 | 167 |
| Chicago, IL | KOS SERVICES, INC. | 216 | 3 | 91 |
| Dallas, TX | KPOST COMPANY | 105 | 2 | 105 |
| Des Plaines, IL | KRANZE TECHNOLOGY SOLUTIONS | 140 | 3 | 138 |
| Dixon, IL | KREIDER SERVICES INC | 157 | 2 | 228 |
| Arlington Heights, IL | KROESCHELL, INC. | 111 | 2 | 111 |
| Lincolnshire, IL | KUBOTA ENGINE AMERICA CORPORATION | 124 | 4 | 115 |
| Schaumburg, IL | KURIYAMA OF AMERICA, INC. | 171 | 1 | 403 |
| Sugar Land, TX | KW INDUSTRIES, INC. | 171 | 1 | 171 |
| Duncan, OK | L E JONES OPERATING INC | 81 | 2 | 89 |
| Odessa, TX | L&C SAFETY INC | 294 | 2 | 410 |
| Richardson, TX | L&S PLUMBING PARTNERSHIP, LTD. | 595 | 2 | 596 |
| Blanchard, OK | L. WALLACE CONSTRUCTION | 183 | 1 | 183 |
| Danville, IL | L.L PARKS LIVESTOCK, INC. | 123 | 6 | 73 |
| Las Cruces, NM | LA CLINICA DE FAMILIA, INC. | 507 | 2 | 507 |
| Farmers Branch, TX | LA FAMILIA AGENCY LLC | 158 | 1 | 158 |
| Houston, TX | LADISH VALVE COMPANY, LLC | 0 | 4 | 127 |
| Bensenville, IL | LAKE CABLE LLC | 404 | 4 | 606 |
| San Antonio, TX | LAKE FLATO ARCHITECTS, INC. | 142 | 3 | 142 |
| Monroe, MI | LAKEPARK INDUSTRIES OF INDIANA, INC. | 192 | 5 | 157 |
| Monroe, MI | LAKEPARK INDUSTRIES, INC. | 139 | 5 | 115 |
| Skokie, IL | LAKESHORE EMPLOYMENT, INC. | 477 | 2 | 447 |
| Park Ridge, IL | LAKESIDE BANK | 176 | 3 | 176 |
| Dallas, TX | LALA U.S., INC. | 121 | 3 | 121 |
| Coppell, TX | LAMACAR, INC. DBA KELLI'S GIFT SHOP SUPPLIERS | 133 | 2 | 133 |
| Hungerford, TX | LAMBERTI USA, INC. | 111 | 2 | 123 |
| East St. Louis, IL | LAND OF LINCOLN LEGAL AID | 162 | 3 | 162 |
| Virginia Beach, VA | LANDMARK HOTEL GROUP, LLC | 105 | 3 | 46 |
| Irving, TX | LANEHART ELECTRICAL CONTRACTORS LLC | 279 | 2 | 279 |
| San Antonio, TX | LANGLEY & BANACK, INC. | 139 | 3 | 126 |
| Spearfish, SD | LANTIS ENTERPRISES, INC. | 159 | 2 | 159 |
| Champaign, IL | LANZ HEATING & COOLING, INC. | 194 | 3 | 142 |
| Carrollton, TX | LASCO ACOUSTICS & DRYWALL INC. | 248 | 6 | 156 |
| Tulsa, OK | LATSHAW DRILLING & EXPLORATION COMPANY | 301 | 6 | 301 |
| Naperville, IL | LAUTERBACH & AMEN, LLP | 184 | 2 | 190 |
| Harwood Heights, IL | LAWRENCE SCREW PRODUCTS, INC. | 127 | 2 | 126 |
| Pasadena, TX | LD SERVICES, LLC | 411 | 2 | 553 |
| Dallas, TX | LDA HOLDING COMPANY, INC. | 129 | 2 | 154 |
| Chicago, IL | LEASING & MANAGEMENT CO., INC. | 128 | 4 | 128 |
| Lubbock, TX | LEE LEWIS CONSTRUCTION, INC. | 152 | 3 | 142 |
| Dallas, TX | LEEWARD MANAGEMENT SERVICES, LLC | 329 | 3 | 344 |
| Houston, TX | LEGACY FUNERAL GROUP, LLC | 334 | 10 | 352 |
| Westchester, IL | LEGACY PROFESSIONALS LLP C/O CRAIG RESCH | 167 | 7 | 163 |
| Hobbs, NM | LEGACY SAFETY & CONSULTING, LLC | 254 | 3 | 305 |
| Chicago, IL | LEGACY.COM, INC. | 167 | 4 | 166 |
| Decatur, TX | LEGEND BANK, N.A. | 196 | 4 | 195 |
| Austin, TX | LEIF JOHNSON FORD II, LTD | 408 | 2 | 420 |
| Chicago, IL | LESTER AND ROSALIE ANIXTER CENTER | 164 | 3 | 159 |
| Houston, TX | LEVARE U.S., INC. | 222 | 3 | 190 |
| Springfield, IL | LEVI, RAY & SHOUP, INC. | 1,087 | 3 | 619 |
| Houston, TX | LEWIS FOOD TOWN INC | 1,496 | 5 | 200 |
| Austin, TX | LEWIS-WATKINS-FARMER AGENCY, INC. DBA WATKINS EMPLOYEE BENEFITS PLAN | 167 | 2 | 167 |
| Frisco, TX | LEXIPOL, LLC | 437 | 5 | 265 |
| Chicago, IL | LIBERTY BANK FOR SAVINGS | 156 | 5 | 95 |
| Argyle, TX | LIBERTY EDUCATIONAL MINISTRIES, INCORPORATED | 215 | 2 | 218 |
| Cleveland, TN | LIFE CARE CENTERS OF AMERICA, INC. | 21,563 | 9 | 21,563 |
| Cleveland, OH | LIFEBANC | 141 | 6 | 187 |
| Skokie, IL | LIFELINE AMBULANCE LLC | 185 | 2 | 185 |
| Houston, TX | LIFEWELL SENIOR LIVING, LLC | 0 | 2 | 322 |
| Hugo, OK | LIFT COMMUNITY ACTION AGENCY, INC. | 271 | 5 | 234 |
| Bridgeview, IL | LIFTING GEAR HIRE CORPORATION | 291 | 2 | 291 |
| Wyoming, MI | LIGHT METALS CORPORATION | 176 | 35 | 188 |
| Ardmore, OK | LIGHTHOUSE BEHAVIORAL WELLNESS CENTERS, INC. | 587 | 6 | 395 |
| Chicago, IL | LIGHTOLOGY LLC | 190 | 3 | 93 |
| Houston, TX | LIGHTYEAR DEALER TECHNOLOGIES LLC | 115 | 3 | 149 |
| Magnolia, TX | LINCOLN MANUFACTURING, INC. | 0 | 3 | 64 |
| Chicago, IL | LINCOLN PARK ZOOLOGICAL SOCIETY | 248 | 4 | 248 |
| Houston, TX | LINETEC SERVICES, LLC | 1,728 | 3 | 1,239 |
| Houston, TX | LINETEC SERVICES, LLC | 1,728 | 3 | 1,239 |
| Oklahoma City, OK | LINGO CONSTRUCTION SERVICE, INC. | 92 | 3 | 167 |
| Plano, TX | LIQUIDAGENTS HEALTHCARE, LLC | 350 | 5 | 229 |
| Austin, TX | LITERATI INC. | 126 | 2 | 141 |
| Grand Prairie, TX | LITEX INDUSTRIES, LTD. | 155 | 2 | 155 |
| Warrenville, IL | LITTLE FRIENDS, INC. | 122 | 2 | 287 |
| San Antonio, TX | LITTLE SPURS PEDIATRIC URGENT CARE, PLLC | 221 | 7 | 133 |
| Littlestown, PA | LITTLESTOWN FOUNDRY, INC. | 64 | 3 | 55 |
| Memphis, TN | LIVESTOCK NUTRITION CENTER, LLC | 383 | 2 | 383 |
| Chicago, IL | LOADSMART, INC | 201 | 2 | 201 |
| Cleveland, OH | LOCAL 400 FOOD TERMINAL EMPLOYEES WELFARE FUND | 158 | 3 | 171 |
| W. Caldwell, NJ | LOCAL 68 ENGINEERS UNION WELFARE BOARD OF TRUSTEES | 2,124 | 2 | 2,124 |
| Burr Ridge, IL | LOCAL NO. 731 I B OF T HEALTH AND WELFARE FUND | 3,821 | 5 | 3,824 |
| Houston, TX | LOCKE SOLUTIONS LLC | 0 | 3 | 163 |
| Black Eagle, MT | LOENBRO, LLC | 420 | 6 | 366 |
| Chicago, IL | LOGICGATE,INC | 219 | 3 | 219 |
| Houston, TX | LOGIX HOLDING COMPANY | 151 | 10 | 323 |
| Adkins, TX | LONE STAR BAKERY, INC. | 519 | 2 | 528 |
| Spring, TX | LONE STAR FASTENERS LLC | 172 | 2 | 172 |
| Houston, TX | LONE STAR LEGAL AID | 636 | 3 | 324 |
| Oakbrook, IL | LONG IRON SERVICES, LLC. | 1,546 | 7 | 1,007 |
| Dallas, TX | LOS BARRIOS UNIDOS COMMUNITY CLINIC, INC. | 195 | 6 | 115 |
| Muskogee, OK | LOVE BOTTLING CO. | 128 | 5 | 127 |
| Niles, IL | LSL HEALTHCARE, INC. | 159 | 3 | 159 |
| Sallisaw, OK | LTC ACCOUNTING SERVICES, LLC | 579 | 6 | 579 |
| San Antonio, TX | LUCIFER LIGHTING COMPANY | 140 | 2 | 140 |
| Chicago, IL | LUCKY LINCOLN GAMING LLC | 147 | 2 | 147 |
| Sweetwater, TX | LUDLUM MEASUREMENTS, INC. | 477 | 3 | 445 |
| Missouri City, TX | LUFKIN US ACQUISITION COMPANY LLC | 732 | 4 | 559 |
| Kingfisher, OK | LUGREG TRUCKING, LLC | 120 | 5 | 166 |
| Dallas, TX | LUMACORP PLUS, LLC DBA LUMA RESIDENTIAL | 151 | 2 | 182 |
| Oakbrook Terrace, IL | LUTHERAN CHILD & FAMILY SERVICES OF ILLINOIS | 376 | 5 | 376 |
| Princeton, IL | LW SCHNEIDER, INC. | 112 | 2 | 117 |
| Chicago, IL | LYDIA HOME ASSOCIATION AND SAFE FAMILIES FOR CHILDREN ALLIANCE | 422 | 2 | 422 |
| Milan, IL | LYNCO DISTRIBUTION, INC. | 248 | 2 | 267 |
| Chicago, IL | LYON & HEALY CORPORATION | 97 | 5 | 97 |
| Chicago, IL | LYRIC OPERA OF CHICAGO | 152 | 3 | 234 |
| Sulphur Springs, TX | M & F WESTERN PRODUCTS | 182 | 2 | 174 |
| Nashville, TN | M&W LOGISTICS GROUP, INC. | 268 | 3 | 113 |
| Northbrook, IL | M. HOLLAND COMPANY DBA M HOLLAND COMPANY | 0 | 5 | 262 |
| Oklahoma City, OK | MACK ENERGY COMPANY | 145 | 2 | 168 |
| Decatur, IL | MACON RESOURCES, INC. | 206 | 3 | 206 |
| Stafford, TX | MADISON ENERGY SOLUTIONS CORPORATION | 139 | 3 | 129 |
| Chicago, IL | MAGELLAN HOLDCO LLC | 129 | 2 | 129 |
| Standish, MI | MAGLINE, INC. | 132 | 1 | 132 |
| Westmont, IL | MAGNET SCHULTZ OF AMERICA, INC. | 129 | 1 | 136 |
| Elk Grove Village, IL | MAGNETIC INSPECTION LABORATORY, INC. | 217 | 2 | 284 |
| Des Plaines, IL | MAGNUM INSURANCE AGENCY INC. | 99 | 3 | 100 |
| Schertz, TX | MAGNUM TECHNICAL SERVICES, INC. | 116 | 3 | 59 |
| Greenwood Village, CO | MAGRIS TALC USA, INC. | 227 | 7 | 165 |
| Sterling, IL | MALLARD HANDLING SOLUTIONS, LLC DBA MALLARD MANUFACTURING | 0 | 3 | — |
| Chicago, IL | MANDARICH LAW GROUP | 229 | 5 | 75 |
| Flower Mound, TX | MANNATECH, INCORPORATED | 68 | 3 | 75 |
| Chicago, IL | MARC REALTY, LLC | 118 | 1 | 118 |
| Tulsa, OK | MARCO INDUSTRIES, INC. | 163 | 2 | 183 |
| Houston, TX | MAREK SHARED SERVICES LLC | 1,577 | 3 | 1,045 |
| New York, NY | MAREX SERVICES, INC. | 695 | 3 | 450 |
| Lake Bluff, IL | MARIANI ENTERPRISES, INC. | 3,396 | 4 | 1,310 |
| Chicago, IL | MARILLAC ST. VINCENT FAMILY SERVICES INC | 131 | 3 | 182 |
| Harlingen, TX | MARINE MILITARY ACADEMY, INC | 100 | 3 | 57 |
| Dallas, TX | MARKET CENTER MANAGEMENT COMPANY, LTD | 181 | 3 | 176 |
| Plano, TX | MARKETPLACE MINISTRIES, INC. | 132 | 2 | 132 |
| Geneva, IL | MARKLUND | 343 | 2 | 463 |
| Chicago, IL | MARQUETTE ASSOCIATES, INC. | 143 | 3 | 144 |
| Orland Park, IL | MARQUETTE BANK | 323 | 6 | 326 |
| Enid, OK | MARSAU ENTERPRISES, INC | 108 | 2 | 108 |
| Byron Center, MI | MARTIN TRANSPORTATION SYSTEMS, INC. | 848 | 7 | 1,422 |
| Houston, TX | MAS RESTAURANT GROUP, LLC | 216 | 3 | 138 |
| East Chicago, IN | MATERIAL SCIENCES CORPORATION | 260 | 5 | 260 |
| Arlington Heights, IL | MATRIX BASEMENT SYSTEMS INC. | 154 | 3 | 147 |
| Wood Dale, IL | MATRIX PLASTIC PRODUCTS, INC. | 131 | 2 | 132 |
| Chicago, IL | MATRIX SCIENCES INTERNATIONAL INC | 238 | 2 | 224 |
| Mattoon, IL | MATTOON PRECISION MANUFACTURING, INC. | 149 | 2 | 149 |
| Houston, TX | MAVERICK SERVICES, LLC | 254 | 2 | 251 |
| Deer Park, TX | MAVIRO, INC. | 232 | 2 | 232 |
| Houston, TX | MAX GRIGSBY COMPANY, INC. | 149 | 1 | 143 |
| Bloomington, IL | MAXBY HOSPITALITY, INC. | 138 | 2 | 277 |
| Austin, TX | MAXWELL LOCKE & RITTER LLP | 152 | 5 | 150 |
| Pottstown, PA | MAYER POLLOCK STEEL CORPORATION | 41 | 6 | 6 |
| Texarkana, TX | MAYO MANUFACTURING CORPORATION | 184 | 4 | 150 |
| Carrollton, TX | MB2 DENTAL, PLLC. | 8,031 | 2 | 3,961 |
| Ottawa, IL | MBL (USA) CORPORATION | 172 | 4 | 153 |
| Corinth, TX | MCCLAIN'S RV INC | 210 | 6 | 141 |
| Houston, TX | MCCONNELL & JONES LLP | 128 | 2 | 128 |
| Houston, TX | MCCORVEY SHEET METAL WORKS, LP | 1,131 | 3 | 1,033 |
| Round Rock, TX | MCCREARY, VESELKA, BRAGG & ALLEN P.C. | 182 | 2 | 161 |
| Chicago, IL | MCDERMOTT CENTER DBA HAYMARKET CENTER | 342 | 4 | 356 |
| Houston, TX | MCDOWELL HETHERINGTON, LLP | 138 | 3 | 88 |
| Westmont, IL | MCGRATH-COLOSIMO LTD | 755 | 26 | 630 |
| Prague, OK | MCKEE UTILITY CONTRACTORS, LLC | 242 | 3 | 242 |
| Albuquerque, NM | MCKINLEY PAPER COMPANY | 632 | 4 | 620 |
| Dallas, TX | MCKOOL SMITH, P.C. | 223 | 10 | 169 |
| Decatur, IL | MCLEOD EXPRESS, LLC | 317 | 3 | 317 |
| Lockport, IL | MCMAHON TRANSPORT GROUP, LLC | 117 | 2 | 143 |
| Glendale Heights, IL | MDC INTERIOR SOLUTIONS, LLC | 164 | 4 | 164 |
| Tomball, TX | MDM CONTRACTING, INC. DBA CENTEX CONSTRUCTION | 175 | 1 | 175 |
| Austin, TX | MDS WINGS LP | 360 | 2 | 270 |
| Hammond, IN | MEATS BY LINZ, INC. | 326 | 3 | 326 |
| Mandeville, LA | MECHANICAL EQUIPMENT COMPANY, INC. | 306 | 3 | 231 |
| Tulsa, OK | MEDALLION OPERATING COMPANY, LLC | 0 | 3 | 167 |
| Chicago, IL | MEDIAFLY, INC. | 106 | 3 | 106 |
| Irving, TX | MEDIEVAL TIMES ENTERTAINMENT, INC. | 490 | 3 | 438 |
| Medinah, IL | MEDINAH COUNTRY CLUB | 146 | 3 | 149 |
| Irving, TX | MEDSPA LOGISTICS, LLC | 119 | 3 | 119 |