| Chicago, IL | IRON GALAXY STUDIOS, LLC | 195 | 3 | 200 |
| Watseka, IL | IROQUOIS MEMORIAL HOSPITAL | 255 | 5 | 141 |
| White Plains, NY | IVY REHAB NETWORK, INC. | 1,018 | 4 | 2,392 |
| Chicago, IL | J.A. WATTS INC. | 131 | 3 | 97 |
| Kankakee, IL | J.R. SHORT MILLING COMPANY | 118 | 3 | 90 |
| Chicago, IL | JENNER & BLOCK LLP | 897 | 5 | 574 |
| Chicago, IL | JOHN BEAN TECHNOLOGIES CORPORATION | 2,218 | 10 | 1,591 |
| Chicago, IL | JOHNSON & BELL, LTD. | 167 | 5 | 118 |
| Niles, IL | JOHNSON & QUIN, INC. | 98 | 5 | 60 |
| Oakbrook Terrace, IL | JOINT COMMISSION ON ACCREDITATION OF HEALTHCARE ORGANIZATIONS | 1,307 | 7 | 681 |
| Roselle, IL | JON-DON, LLC | 426 | 3 | 271 |
| Royal Oak, MI | JONES LANG LASALLE AMERICAS, INC. | 34,323 | 26 | 22,535 |
| Waukegan, IL | JST CORPORATION | 317 | 2 | 308 |
| Glendale Heights, IL | K&K SCREW PRODUCTS, L.L.C. KKSP PRECISION MACHINING | 167 | 7 | 109 |
| Chicago, IL | KATTEN MUCHIN ROSENMAN LLP | 1,105 | 7 | 666 |
| Koloa, HI | KAWAILOA DEVELOPMENT LLP | 894 | 4 | 119 |
| Roselle, IL | KELLSTROM COMMERCIAL AEROSPACE, INC. | 108 | 6 | 88 |
| Chicago, IL | KEMPER CORPORATION | 4,844 | 5 | 5,160 |
| Northbrook, IL | KEMPER SPORTS MANAGEMENT, LLC | 1,119 | 5 | 952 |
| Chicago, IL | KENNICOTT BROTHERS COMPANY | 233 | 5 | 175 |
| Deerfield, IL | KGH CONSULTATION & TREATMENT, INC. DBA KGH AUTISM SERVICES | 0 | 3 | 28 |
| Chicago, IL | KIDS ABOVE ALL | 189 | 4 | 121 |
| Chicago, IL | KIN AND CARTA AMERICAS | 0 | 7 | 281 |
| Chicago, IL | KIRKLAND & ELLIS, LLP | 7,287 | 11 | 3,766 |
| Quincy, IL | KNAPHEIDE MANUFACTURING CO | 2,533 | 7 | 1,539 |
| Itasca, IL | KNOWLES CORPORATION | 5,170 | 3 | 583 |
| Effingham, IL | KOERNER DISTRIBUTOR INC. | 338 | 3 | 126 |
| Buffalo Grove, IL | KOMAX CORP | 104 | 7 | 76 |
| Lisle, IL | KONE INC. | 1,933 | 10 | 1,421 |
| Highland, IL | KORTE CONSTRUCTION COMPANY | 212 | 3 | 170 |
| Prospect Heights, IL | LABOR SOLUTIONS, LLC | 297 | 7 | 112 |
| Lake Forest, IL | LAKE FOREST ACADEMY | 151 | 3 | 105 |
| Lake Forest, IL | LAKE FOREST COLLEGE | 324 | 3 | 184 |
| Park Ridge, IL | LAKESIDE BANK | 176 | 3 | 128 |
| Chicago, IL | LATIN SCHOOL OF CHICAGO | 287 | 4 | 198 |
| Chicago, IL | LAWSON PRODUCTS, INC | 1,090 | 3 | 947 |
| Harvey, IL | LB METALS, LLC | 194 | 3 | — |
| Chicago, IL | LEGAL AID CHICAGO | 223 | 4 | 172 |
| Hoffman Estates, IL | LEOPARDO COMPANIES, INC. | 213 | 11 | 153 |
| Chicago, IL | LESLIE SHANKMAN SCHOOL CORPORATION | 151 | 4 | 93 |
| Hoffman Estates, IL | LEVEL 10, LLC | 152 | 3 | 149 |
| Rosemont, IL | LIFE FITNESS, LLC | 1,244 | 3 | 854 |
| Chicago, IL | LINCOLN INTERNATIONAL LLC | 494 | 7 | 372 |
| Palatine, IL | LITTLE CITY FOUNDATION | 396 | 7 | 241 |
| Chicago, IL | LKQ CORPORATION WELFARE BENEFIT PLAN | 14,650 | 5 | 9,240 |
| Newman, IL | LONGVIEW CAPITAL CORPORATION | 140 | 5 | 74 |
| Chicago, IL | LOYOLA UNIVERSITY OF CHICAGO | 3,340 | 7 | 1,543 |
| Deerfield, IL | LUNDBECK, LLC | 991 | 9 | 818 |
| Roselle, IL | M AND R PRINTING EQUIPMENT, INC. | 343 | 6 | 152 |
| Mundelein, IL | MACLEAN-FOGG COMPANY | 1,810 | 3 | 1,250 |
| Lincolnwood, IL | MAESTRO CONSULTING SERVICES, LLC | 885 | 20 | 202 |
| Evanston, IL | MAGNETAR CAPITAL LLC | 203 | 6 | 190 |
| Lincolnshire, IL | MANHARD CONSULTING, LTD. | 365 | 3 | 278 |
| Chicago, IL | MARK ANTHONY SERVICES INC. | 1,445 | 3 | 1,242 |
| Chicago, IL | MARMON HOLDINGS INC. | 17,358 | 3 | 12,973 |
| Chicago, IL | MARQUETTE ASSOCIATES, INC. | 143 | 3 | 98 |
| Orland Park, IL | MARQUETTE BANK | 323 | 6 | 188 |
| Naperville, IL | MARQUETTE MANAGEMENT, INC. | 357 | 2 | 218 |
| Chicago, IL | MARSHALL ASSOCIATES | 100 | 4 | 73 |
| Goodfield, IL | MARTIN EQUIPMENT OF ILLINOIS, INC | 525 | 3 | 172 |
| Long Grove, IL | MAT HOLDINGS, INC. | 1,023 | 10 | 608 |
| Long Grove, IL | MAT HOLDINGS, INC. | 1,023 | 10 | 608 |
| East Chicago, IN | MATERIAL SCIENCES CORPORATION | 260 | 5 | 214 |
| Peoria, IL | MAUI JIM, INC. | 620 | 5 | 555 |
| Chicago, IL | MAYER BROWN LLP | 2,120 | 9 | 1,336 |
| Oakbrook Terrace, IL | MCCAIN FOODS USA INC | 3,749 | 4 | 2,531 |
| Chicago, IL | MCGAW MEDICAL CENTER OF NORTHWESTERN UNIVERSITY | 1,297 | 4 | 937 |
| Rosemont, IL | MCSHANE CONSTRUCTION COMPANY LLC | 352 | 5 | 259 |
| Hammond, IN | MEATS BY LINZ, INC. | 326 | 3 | 123 |
| Rockford, IL | MECHANICAL TOOL & ENGINEERING CO | 163 | 2 | 133 |
| Lombard, IL | MEDIX STAFFING SOLUTIONS, LLC | 929 | 4 | 329 |
| Northfield, IL | MEDLINE INDUSTRIES, LP | 25,218 | 13 | 13,833 |
| Elmhurst, IL | MEDSPEED LLC | 2,071 | 8 | 881 |
| Granville, IL | MENNIES MACHINE COMPANY | 157 | 8 | 132 |
| Chicago, IL | MERISANT US, INC. | 0 | 3 | 128 |
| Burr Ridge, IL | METRO INFECTIOUS DISEASE CONSULTANTS, LLC | 517 | 3 | 430 |
| Chicago, IL | METROPOLITAN FAMILY SERVICES | 1,077 | 3 | 848 |
| Sullivan, IL | MID-STATE TANK CO., INC. | 125 | 3 | 76 |
| Hillside, IL | MIDWAY STAFFING, INC. | 1,992 | 6 | 93 |
| Des Plaines, IL | MIDWEST GAMING AND ENTERTAINMENT, LLC DBA RIVERS CASINO | 1,603 | 3 | 1,154 |
| Downers Grove, IL | MIDWEST PHYSICIAN ADMINISTRATIVE SERVICES, LLC DBA DULY HEALTH & CARE | 5,670 | 3 | 3,613 |
| Chicago, IL | MIDWEST VISION PARTNERS MANAGEMENT, LLC | 1,231 | 8 | 136 |
| Deerfield, IL | MILLER, COOPER & CO., LTD. | 460 | 6 | 282 |
| South Holland, IL | MINIAT HOLDINGS, LLC | 316 | 8 | 170 |
| Elk Grove, IL | MIRACAPO PIZZA COMPANY LLC | 370 | 5 | 253 |
| New York, NY | MMS USA HOLDINGS, INC. | 43,571 | 9 | 19,485 |
| Romeoville, IL | MONDI US HOLDINGS LLC | 1,130 | 3 | 917 |
| Chicago, IL | MORNINGSTAR, INC. | 3,300 | 4 | 2,239 |
| Morris, IL | MORRIS HOSPITAL & HEALTHCARE CENTERS | 1,332 | 4 | 833 |
| Overland Park, KS | MORTON INVESTMENT COMPANY LLC | 3,005 | 10 | 1,301 |
| Chicago, IL | MOTOROLA SOLUTIONS, INC. | 9,971 | 18 | 7,578 |
| Chicago, IL | MUCH SHELIST, P.C. | 244 | 4 | 98 |
| Colliersville, TN | MUELLER INDUSTRIES, INC. | 3,412 | 7 | 60 |
| Chicago, IL | MUSCULAR DYSTROPHY ASSOCIATION, INC | 359 | 12 | 181 |
| Quincy, IL | N. KOHL GROCER CO. | 375 | 5 | 302 |
| Chicago, IL | NATIONAL COUNCIL STATE BOARDS OF NURSING | 157 | 4 | 145 |
| Chicago, IL | NATIONAL EQUITY FUND, INC. | 202 | 5 | 187 |
| Chicago, IL | NATIONAL OPINION RESEARCH CENTER | 1,113 | 9 | 944 |
| Evanston, IL | NATIONAL SPIRITUAL ASSEMBLY OF THE BAHA'IS OF THE UNITED STATES | 235 | 3 | 235 |
| University Park, IL | NATIONAL TUBE SUPPLY COMPANY | 169 | 3 | 130 |
| Lombard, IL | NATIONAL UNIVERSITY OF HEALTH SCIENCES | 138 | 3 | 117 |
| Chicago, IL | NEAR NORTH MONTESSORI SCHOOL | 125 | 2 | 77 |
| Chicago, IL | NEAR NORTH TITLE GROUP, LLC | 220 | 8 | 80 |
| Buffalo Grove, IL | NEMERA BUFFALO GROVE LLC | 600 | 6 | 402 |
| Chicago, IL | NETWORK INNOVATIONS, INC. | 228 | 6 | 180 |
| Schaumburg, IL | NETWORK SERVICES COMPANY | 204 | 5 | 139 |
| Bolingbrook, IL | NEUCO, INC. | 258 | 6 | 170 |
| Chicago, IL | NEWCASTLE INVESTORS | 122 | 8 | 85 |
| Mount Prospect, IL | NICHOLAS & ASSOCIATES | 142 | 2 | 96 |
| Chicago, IL | NIELSEN CONSUMER LLC | 2,339 | 7 | 1,538 |
| Chicago, IL | NOBLE NETWORK OF CHARTER SCHOOLS | 1,542 | 5 | 1,172 |
| Paris, IL | NORTH AMERICAN LIGHTING, INC. | 4,904 | 4 | 5,254 |
| Chicago, IL | NORTH FORK HOLDINGS, LLC DBA THE SHELBY GROUP | 0 | 7 | 102 |
| Winnetka, IL | NORTH SHORE COUNTRY DAY SCHOOL | 123 | 3 | 71 |
| Oak Brook Terrace, IL | NORTHWEST EXPRESS, INC. | 100 | 3 | 73 |
| Chicago, IL | NORTHWESTERN MEMORIAL HEALTHCARE | 40,165 | 7 | 24,539 |
| Schaumburg, IL | NOVASPECT HOLDINGS, INC. | 362 | 4 | 394 |
| Bloomingdale, IL | NOW HEALTH GROUP, INC. | 1,646 | 9 | 716 |
| Chicago, IL | NUMED EAST PEORIA LLC | 163 | 5 | 91 |
| Atlanta, GA | NUVEI TECHNOLOGIES, INC. | 634 | 3 | 518 |
| Chicago, IL | OAK STREET HEALTH LLC | 0 | 4 | 4,773 |
| Chicago, IL | OCTOBER THREE MANAGEMENT SERVICES INC. | 168 | 3 | 137 |
| Chicago, IL | OIL-DRI CORPORATION OF AMERICA | 863 | 5 | 615 |
| Minnetonka, MN | OLD REPUBLIC NATIONAL TITLE HOLDING COMPANY | 9,057 | 9 | 6,475 |
| Aurora, IL | OLD SECOND BANCORP, INC. | 877 | 4 | 561 |
| Chicago, IL | ONE HOPE UNITED | 902 | 6 | 460 |
| Wood Dale, IL | OPTIMAS OE SOLUTIONS HOLDINGS, LLC | 560 | 4 | 280 |
| Bannockburn, IL | OPTION CARE HEALTH, INC. | 6,765 | 8 | 4,029 |
| Elk Grove Village, IL | ORS NASCO, LLC | 706 | 3 | 407 |
| Barrington, IL | ORTHO MOLECULAR PRODUCTS | 277 | 4 | 244 |
| Des Plaines, IL | ORTHODONTIC EXPERTS MANAGEMENT, LLC | 220 | 6 | 104 |
| Peoria, IL | OSF HEALTHCARE SYSTEM | 24,992 | 5 | 15,929 |
| Chicago, IL | OSH-MI PHYSICIANS GROUP PC | 0 | 4 | 758 |
| Aurora, IL | OSI INDUSTRIES, LLC | 2,801 | 6 | 1,551 |
| Chicago, IL | OSTROW REISIN BERK & ABRAMS, LTD. | 281 | 4 | 120 |
| Mokena, IL | OZINGA BROS., INC. | 835 | 6 | 561 |
| Lake Forest, IL | PACKAGING CORPORATION OF AMERICA | 15,481 | 9 | 10,605 |
| Lake Forest, IL | PACTIV EVERGREEN SERVICES INC. | 9,821 | 23 | 7,942 |
| Pana, IL | PANA COMMUNITY HOSPITAL | 220 | 3 | 166 |
| Saint Charles, IL | PARENT PETROLEUM, INC. | 405 | 3 | 136 |
| Lisle, IL | PATRICK ENGINEERING INC. | 395 | 3 | 161 |
| Chicago, IL | PEAK6 GROUP LLC | 303 | 4 | 520 |
| Bradley, IL | PEDDINGHAUS CORPORATION | 577 | 6 | 282 |
| Aurora, IL | PEERLESS INDUSTRIES, INC. | 188 | 2 | 190 |
| Burr Ridge, IL | PERMA-SEAL BASEMENT SYSTEMS | 102 | 3 | 95 |
| Bolingbrook, IL | PEWAG, INC. | 127 | 5 | 120 |
| Chicago, IL | PHUSION PROJECTS, LLC | 126 | 2 | 120 |
| Mchenry, IL | PIONEER CENTER FOR HUMAN SERVICES | 205 | 4 | 36 |
| Lagrange Park, AL | PLYMOUTH PLACE, INCORPORATED | 237 | 3 | 122 |
| Warrenville, IL | PLYMOUTH TUBE COMPANY | 527 | 6 | 339 |
| Elk Grove Village, IL | PMI KYOTO PACKAGING SYSTEMS | 113 | 4 | 108 |
| Elk Grove Village, IL | PORTE BROWN LLC | 286 | 5 | 158 |
| Addison, IL | PORTER PIPE AND SUPPLY COMPANY | 375 | 3 | 280 |
| Bedford Park, IL | POWER STOP, LLC | 472 | 3 | 224 |
| Mendota, IL | PRAIRIE STATE TRACTOR LLC | 159 | 3 | 143 |
| Chicago, IL | PRECISION PLATING COMPANY, INC. | 112 | 6 | 62 |
| Bannockburn, IL | PREGIS LLC | 2,797 | 4 | 1,720 |
| Champaign, IL | PREMIER COOPERATIVE, INC. | 129 | 2 | 93 |
| Buffalo Grove, IL | PREMIER DESIGN + BUILD GROUP, LLC | 104 | 3 | 67 |
| Lincolnshire, IL | PREMIER STAFFING COMPANY, INC. | 366 | 4 | 153 |
| Carol Stream, IL | PRINOVA US LLC | 912 | 6 | 577 |
| Belleville, IL | PROFESSIONAL THERAPY SERVICES, INC. | 206 | 4 | 109 |
| Buffalo Grove, IL | PROFILE PRODUCTS, LLC | 523 | 3 | 286 |
| Chicago, IL | PT FINANCIAL HOLDINGS, INC. | 384 | 2 | 231 |
| Chicago, IL | R.J. O'BRIEN & ASSOCIATES LLC | 298 | 9 | 282 |
| Springfield, IL | R.W. TROXELL & COMPANY | 99 | 3 | 58 |
| Oswego, IL | RADIAC ABRASIVES, INC. | 376 | 6 | 282 |
| Bartlett, IL | RANA USA, INC. | 438 | 4 | 338 |
| Chicago, IL | REDMANE TECHNOLOGY LLC | 291 | 3 | 261 |
| Carpentersville, IL | REVCOR COMPANIES INSURANCE GROUP | 329 | 4 | 163 |
| Chicago, IL | REVENUE WELL SYSTEMS | 154 | 6 | 122 |
| Chicago, IL | REVOLUTION MARKETING, LLC | 138 | 3 | 108 |
| Chicago, IL | REWARDS NETWORK, INC. | 385 | 10 | 300 |
| Lake Forest, IL | REYNOLDS CONSUMER PRODUCTS LLC | 5,041 | 8 | 3,370 |
| Chicago, IL | RHR INTERNATIONAL LLP | 139 | 4 | 125 |
| Portsmouth, VA | RIVERS PORTSMOUTH GAMING, LLC DBA RIVERS CASINO PORTSMOUTH | 841 | 2 | 499 |
| Itasca, IL | RIVERSIDE ASSESSMENTS, LLC | 343 | 8 | 244 |
| Chicago, IL | RL CANNING INC. | 112 | 3 | 106 |
| Peoria, IL | RLI CORP. | 1,070 | 3 | 790 |
| Hinsdale, IL | RML HEALTH PROVIDERS, L.P. | 580 | 7 | 417 |
| Itasca, IL | ROBERTSHAW CONTROLS COMPANY | 146 | 4 | 95 |
| Frankfort, IL | ROBINSON ENGINEERING, LTD. | 127 | 4 | 125 |
| Evanston, IL | ROTARY INTERNATIONAL | 512 | 9 | 455 |
| Rolling Meadows, IL | RTC INDUSTRIES, INC. | 313 | 6 | 256 |
| St. Charles, IL | RUKEL MANAGEMENT | 1,059 | 3 | 260 |
| Chicago, IL | RUSH UNIVERSITY MEDICAL CENTER | 12,790 | 10 | 8,967 |
| Chicago, IL | RYAN SPECIALTY, LLC | 4,783 | 5 | 3,443 |
| Bolingbrook, IL | S&S ACTIVEWEAR, LLC | 1,769 | 5 | 884 |
| Buffalo Grove, IL | SAFCO DENTAL SUPPLY LLC | 85 | 6 | 76 |
| Chicago, IL | SAFER FOUNDATION | 254 | 4 | 122 |
| Milwaukee, WI | SAPUTO CHEESE USA INC. | 7,933 | 7 | 5,046 |
| Oakbrook Terrace, IL | SARA LEE FROZEN BAKERY, LLC | 1,270 | 8 | 964 |
| Chicago, IL | SARGENT & LUNDY, L.L.C. | 3,415 | 7 | 2,095 |
| Schaumburg, IL | SASSER FAMILY HOLDINGS, INC. | 316 | 3 | 275 |
| Spring Grove, IL | SCOT FORGE COMPANY | 548 | 2 | 374 |
| Edwardsville, IL | SCOTT CREDIT UNION | 324 | 4 | 254 |
| Elk Grove Village, IL | SCREEN NORTH AMERICA HOLDINGS, INC. | 444 | 8 | 389 |
| Chicago, IL | SEGAL MCCAMBRIDGE SINGER & MAHONEY | 279 | 2 | 208 |
| Schaumburg, IL | SEKO WORLDWIDE, LLC | 545 | 6 | 319 |
| Glenview, IL | SELECT PT, OT & SLP REHABILITATION NY, PLLC | 96 | 6 | 99 |
| Glenview, IL | SELECT REHABILITATION, LLC | 4,094 | 9 | 3,669 |
| Elmhurst, IL | SEMBLEX CORPORATION | 258 | 3 | 265 |
| Elk Grove Village, IL | SERVERCENTRAL LLC | 0 | 3 | 86 |
| Joliet, IL | SERVICE, INC. OF ILLINOIS | 209 | 4 | 148 |
| Chicago, IL | SEYFARTH SHAW LLP | 1,762 | 5 | 1,140 |
| Downers Grove, IL | SHARED IMAGING LLC | 215 | 3 | 158 |
| Elk Grove Village, IL | SHIBAURA MACHINE COMPANY, AMERICA | 113 | 3 | 109 |
| Carol Stream, IL | SHIPFUSION INC | 150 | 3 | 88 |
| Chicago, IL | SIDLEY AUSTIN LLP | 3,538 | 24 | 2,304 |
| Northlake, IL | SIG US LLC | 1,092 | 3 | 679 |
| Elk Grove Village, IL | SIGMATRON INTERNATIONAL, INC. | 243 | 6 | 55 |
| Naperville, IL | SIKICH LLP | 1,539 | 12 | 1,028 |
| Chicago, IL | SILKROAD TECHNOLOGY, INC. | 85 | 7 | 70 |
| Momence, IL | SILVA INTERNATIONAL, INC. | 257 | 4 | 166 |
| New Lenox, IL | SILVER CROSS HEALTH SYSTEM, INC | 2,013 | 7 | 1,360 |
| New Lenox, IL | SILVER CROSS MANAGEMENT SERVICES ORGANIZATION | 162 | 6 | 109 |
| Wood Dale, IL | SIMON HEGELE HEALTHCARE SOLUTIONS, LLC | 132 | 2 | 94 |
| Chicago, IL | SKIDMORE OWINGS & MERRILL LLP | 1,017 | 6 | 567 |
| Assumption, IL | SLOAN IMPLEMENT COMPANY, INC. | 681 | 5 | 470 |
| Franklin Park, IL | SLOAN VALVE COMPANY | 831 | 8 | 730 |
| Chicago, IL | SMOKEBALL INC. | 103 | 6 | 98 |
| Chicago, IL | SOCIETY OF ACTUARIES RESEARCH INSTITUTE | 150 | 5 | 115 |
| Aurora, IL | SONOVA U.S. CORPORATE SERVICES, LLC | 1,800 | 4 | 1,837 |
| Chicago, IL | SPD33 CORP. | 133 | 3 | 121 |
| Rockford, IL | STAFF MANAGEMENT INC | 369 | 7 | 25 |
| Bloomington, IL | STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY | 68,117 | 14 | 47,980 |
| Danville, IL | STEEL GRIP, INC | 122 | 3 | 83 |
| Itasca, IL | STEINER ELECTRIC COMPANY | 245 | 4 | 239 |
| Rockford, IL | STENSTROM COMPANIES LTD | 101 | 3 | 102 |
| New Berlin, WI | STERLING PRODUCTS, INC DBA ACS GROUP | 228 | 3 | 194 |
| Phoenix, IL | STERLING SITE ACCESS SOLUTIONS, LLC | 267 | 3 | 171 |
| Teutopolis, IL | STEVENS INDUSTRIES, INC. | 511 | 2 | 310 |
| Chicago, IL | STONE PEAK CERAMICS, INC. | 394 | 4 | 330 |
| Rolling Meadows, IL | STRATUS UNLIMITED BENEFITS PLAN | 1,025 | 3 | 638 |
| Philadelphia, PA | SUGARHOUSE HSP GAMING, LP DBA RIVERS CASINO PHILADELPHIA | 871 | 2 | 519 |
| Schaumburg, IL | SUNSTAR AMERICAS, INC. | 464 | 4 | 306 |
| Chicago, IL | SUNTORY GLOBAL SPIRITS, INC. | 1,942 | 12 | 1,449 |
| Des Plaines, IL | SVANACO, INC. | 495 | 7 | 326 |
| Chicago, IL | SWANSON, MARTIN & BELL, LLP | 198 | 8 | 153 |
| Addison, IL | SWD, INC. | 229 | 4 | 229 |
| Barrington, IL | SWISS AUTOMATION, INC. | 302 | 7 | 183 |
| Chicago, IL | SWISSOTEL EMPLOYMENT SERVICES LLC | 195 | 3 | 202 |
| Chicago, IL | TAMPICO BEVERAGES, INC. | 129 | 3 | 102 |
| Las Vegas, NV | TANG INDUSTRIES INC. | 1,009 | 5 | 695 |
| Chicago, IL | TASC, INC. | 349 | 3 | 185 |
| Crystal Lake, IL | TC INDUSTRIES, INC. | 224 | 4 | 151 |
| Chicago, IL | TCS EDUCATION SYSTEM | 1,137 | 9 | 875 |
| Rosemont, IL | TECTA AMERICA | 11,800 | 7 | 1,437 |
| Lake Bluff, IL | TERLATO WINE GROUP | 210 | 6 | 132 |
| Loves Park, IL | TH FOODS, INC. | 609 | 6 | 401 |
| Normal, IL | THE BABY FOLD | 223 | 14 | 150 |
| Chicago, IL | THE BARACK OBAMA FOUNDATION | 262 | 4 | 278 |
| Beloit, WI | THE CALDWELL GROUP, INC. | 160 | 7 | 119 |
| Chicago, IL | THE CATHERINE COOK SCHOOL | 150 | 4 | 96 |
| Oak Brook, IL | THE CHAMBERLAIN GROUP LLC | 1,718 | 6 | 1,146 |
| Chicago, IL | THE CHARTIS GROUP, LLC | 941 | 9 | 843 |
| Northfield, IL | THE COLLEGE OF AMERICAN PATHOLOGISTS | 744 | 10 | 628 |
| Oakbrook Terrace, IL | THE COMPUTING TECHNOLOGY INDUSTRY ASSOCIATION | 451 | 6 | 324 |
| Northbrook, IL | THE COVE SCHOOL | 123 | 3 | 104 |
| Elmhurst, IL | THE ELMHURST UNIVERSITY | 443 | 7 | 465 |
| Savoy, IL | THE FLIGHTSTAR CORPORATION | 109 | 7 | 109 |
| Barrington, IL | THE GARLANDS OF BARRINGTON | 192 | 4 | 124 |
| Chicago, IL | THE HAVI GROUP, LP | 1,201 | 11 | 921 |
| Orland Park, IL | THE HORTON GROUP, INC. & SUBS | 0 | 7 | 304 |
| Chicago, IL | THE JOFFREY BALLET | 109 | 3 | 55 |
| Aurora, IL | THE MIZAR HOLDING COMPANY | 315 | 5 | 223 |
| Chicago, IL | THE NORTHERN TRUST COMPANY | 9,715 | 16 | 15,204 |
| Wheeling, IL | THE SEGERDAHL CORPORATION | 488 | 3 | 333 |
| Chicago, IL | THE UNIVERSITY OF CHICAGO | 28,053 | 17 | 6,675 |
| Schaumburg, IL | THERMOS LLC | 100 | 7 | 44 |
| Chicago, IL | THRALL ENTERPRISES, INC. | 345 | 11 | 248 |
| West Chicago, IL | TITAN INTERNATIONAL, INC. | 2,006 | 4 | 1,445 |
| Chicago, IL | TOPBLOC, LLC | 613 | 5 | 553 |
| Chicago, IL | TPS PARKING MANAGEMENT LLC | 581 | 4 | 588 |
| Chicago, IL | TRADELINK LLC | 85 | 3 | 63 |
| Chicago, IL | TRANS UNION LLC | 3,867 | 7 | 2,921 |
| Lombard, IL | TRANSDEV SERVICES, INC. | 25,057 | 69 | 11,419 |
| Oak Brook, IL | TREEHOUSE FOODS, INC. | 5,640 | 7 | 3,948 |
| Chino, CA | TREND TECHNOLOGIES, LLC | 112 | 5 | 37 |
| Aurora, IL | TRI STAR METALS LLC | 119 | 6 | 91 |
| Chicago, IL | TRIBUNE PUBLISHING COMPANY | 947 | 11 | 625 |
| Lincolnwood, IL | TRIM-TEX, INC. | 175 | 2 | 147 |
| Mount Vernon, IL | TRM NRE ACQUISITIONS, LLC | 252 | 6 | 106 |
| Chicago, IL | TRUE VALUE COMPANY | 1,959 | 6 | 989 |
| Burr Ridge, IL | TRUSTEES OF DECORATORS LOCAL UNION 17 HEALTH AND WELFARE FUND | 116 | 5 | 127 |
| Mokena, IL | TRUSTEES OF IB OF T UNION LOCAL 710 HEALTH & WELFARE FUND | 1,499 | 4 | 1,624 |
| Lansing, MI | TRUSTEES OF IBEW LOCAL NO. 9 & LINE CLEARANCE CONTRACTORS H & W FUND | 819 | 3 | 845 |
| Schaumburg, IL | TRUSTEES OF IRON WORKERS' TRI-STATE WELFARE PLAN | 1,105 | 4 | 1,089 |
| Forest Park, IL | TRUSTEES OF STRUCTURAL IRON WORKERS LOCAL 1 WELFARE FUND | 1,051 | 2 | 1,071 |
| Waukegan, IL | TRUSTEES OF TEAMSTERS LOCAL NO. 301 | 805 | 3 | 857 |
| Oakbrook, IL | TRUSTEES OF UFCW LOCAL 1546 FOOD HANDLERS WELFARE FUND | 1,901 | 3 | 1,906 |
| Earth City, MO | TRUSTEES TEAMSTERS AND EMPLOYERS WELFARE TRUST | 1,023 | 5 | 860 |
| Lake Forest, IL | TRUSTMARK SERVICES COMPANY | 0 | 3 | 674 |
| Chicago, IL | TRUSTWAVE HOLDINGS INC. | 296 | 6 | 261 |
| Charlotte, NC | TTX COMPANY | 1,982 | 5 | 1,934 |
| Romeoville, IL | U.S. HOSE CORP. | 103 | 3 | 72 |
| Downers Grove, IL | UGN, INC. | 1,183 | 3 | 497 |
| Bolingbrook, IL | ULTA SALON, COSMETICS & FRAGRANCES, INC. | 21,601 | 3 | 12,089 |
| Chicago, IL | UNITED AIRLINES, INC. | 98,473 | 37 | 30,367 |
| Cicero, IL | UNITED CEREBRAL PALSY SEGUIN OF GREATER CHICAGO | 491 | 3 | 284 |