| Chicago, IL | HIGHDIVE ADVERTISING, LLC | 130 | 5 | 189 |
| Irving, TX | HIGHGROUND RESTORATION GROUP, INC. | 736 | 2 | 813 |
| Houston, TX | HIGHLAND RESOURCES, INC. | 116 | 2 | 183 |
| Chicago, IL | HIGHTOWER HOLDING, LLC | 1,501 | 8 | 2,820 |
| Northbrook, IL | HILCO TRADING, LLC | 600 | 11 | 1,189 |
| Fort Worth, TX | HILEY CARS HURST L.P. | 354 | 3 | 326 |
| Nacogdoches, TX | HILL COUNTRY RESTAURANTS INC | 275 | 2 | 261 |
| Medicine Park, OK | HILLIARY COMMUNICATIONS, LLC | 144 | 3 | 144 |
| Chicago, IL | HINSHAW & CULBERTSON LLP | 884 | 10 | 1,076 |
| Chicago, IL | HIREOLOGY, INC. | 134 | 3 | 196 |
| Chicago, IL | HISPANIC HOUSING DEVELOPMENT CORPORATION | 153 | 3 | 195 |
| Huntley, IL | HIWIN CORPORATION | 111 | 8 | 185 |
| San Antonio, TX | HJD CAPITAL ELECTRIC, INC. | 219 | 4 | 133 |
| Dallas, TX | HMC HOSPITALITY MANAGEMENT CORPORATION | 112 | 2 | 133 |
| Chicago Ridge, IL | HMD TRUCKING INC. | 219 | 2 | 398 |
| Chicago, IL | HMS INDUSTRIAL NETWORKS | 232 | 2 | 405 |
| South Elgin, IL | HOFFER PLASTICS CORPORATION | 310 | 4 | 476 |
| Tulsa, OK | HOGAN ASSESSMENT SYSTEMS, INC. | 126 | 10 | 257 |
| Deerfield, IL | HOLDEN INDUSTRIES, INC | 1,237 | 11 | 1,848 |
| Irving, TX | HOLLMAN, INC. | 258 | 3 | 180 |
| Houston, TX | HOLLY HALL RETIREMENT COMMUNITY | 103 | 2 | 75 |
| Whitefish, MT | HOLMAN ENTERPRISES, INC. | 365 | 14 | 255 |
| Nixon, TX | HOLMES FOODS, INC. | 220 | 2 | 646 |
| Chicago, IL | HOLSTEN MANAGEMENT CO | 129 | 3 | 114 |
| Dallas, TX | HOLT LUNSFORD COMMERCIAL, INC. | 200 | 2 | 319 |
| Chicago, IL | HOME PARTNERS OF AMERICA | 0 | 3 | 131 |
| Woodridge, IL | HOME RUN INN, INC. | 204 | 3 | 206 |
| Crystal Lake, IL | HOME STATE BANK, N. A. | 130 | 3 | 201 |
| Galveston, TX | HOMETOWN BANK, NA | 115 | 4 | 72 |
| Morton, IL | HOMETOWN COMMUNITY BANCORP, INC. | 538 | 4 | 599 |
| Austin, TX | HOMEWARD, INC. | 197 | 2 | 341 |
| Midland, TX | HONDO RESOURCES LLC | 134 | 2 | 230 |
| Katy, TX | HOOVER CIRCULAR SOLUTIONS | 137 | 3 | 230 |
| Oklahoma City, OK | HOPE COMMUNITY SERVICES, INC. | 246 | 5 | 289 |
| New Braunfels, TX | HOPE HOSPICE | 133 | 3 | 171 |
| New Caney, TX | HOPE MEDIA GROUP | 155 | 7 | 380 |
| Elgin, IL | HORIZON CARPENTRY, INC. | 133 | 4 | 183 |
| Austin, TX | HOSPICE AUSTIN | 225 | 8 | 210 |
| Chicago, IL | HOSPITALITY STAFFING II LLC DBA FIRST HOSPITALITY | 912 | 5 | 1,092 |
| Chicago, IL | HOUSING AUTHORITY OF COOK COUNTY | 175 | 8 | 266 |
| San Angelo, TX | HOUSLEY GROUP | 230 | 2 | 173 |
| Houston, TX | HOUSTON DISTRIBUTING COMPANY, INC. | 413 | 3 | 575 |
| Houston, TX | HOUSTON FOAM PLASTICS, INC. | 250 | 2 | 135 |
| Houston, TX | HOUSTON HOSPICE | 127 | 6 | 178 |
| Houston, TX | HOUSTON MUSEUM OF NATURAL SCIENCE | 238 | 7 | 225 |
| Hockley, TX | HOUSTON OAKS VENTURE, L.P. | 168 | 3 | 124 |
| Houston, TX | HOUSTON SYMPHONY SOCIETY | 157 | 4 | 299 |
| Oklahoma City, OK | HOWARD COMPANIES LLC | 163 | 2 | 163 |
| Houston, TX | HOYER GLOBAL (USA), INC. | 139 | 2 | 269 |
| Plano, TX | HPA MSO, LLC | 138 | 2 | 222 |
| Austin, TX | HPI REAL ESTATE MANAGEMENT, INC. | 216 | 8 | 7 |
| Oakbrook Terrace, IL | HUB INTERNATIONAL LIMITED | 13,200 | 13 | 18,827 |
| Castle Rock, CO | HUDICK EXCAVATING, INC. DBA HEI CIVIL | 808 | 6 | 142 |
| Austin, TX | HULL SUPPLY COMPANY, INC. | 109 | 4 | 135 |
| Champaign, IL | HUMAN KINETICS INC | 158 | 4 | 240 |
| Chicago, IL | HUMAN RESOURCES DEVELOPMENT INSTITUTE, INC. | 170 | 4 | 116 |
| Dallas, TX | HUMANETICS II, LTD | 194 | 3 | 228 |
| Chicago, IL | HUMBOLDT PARK HEALTH | 511 | 4 | 756 |
| San Marcos, TX | HUNTER INDUSTRIES, LTD | 648 | 2 | 863 |
| Oklahoma City, OK | HUNZICKER BROTHERS, INC. | 115 | 4 | 115 |
| Chicago, IL | HYATT CORPORATION | 28,100 | 36 | 17,502 |
| Sugar Land, TX | HYDRO RESOURCES HOLDINGS, INC. | 383 | 6 | 575 |
| Cedar Park, TX | HYLIION, INC. | 92 | 2 | 194 |
| Miami, FL | HYUNDAI OF EL PASO, LP | 125 | 3 | 64 |
| Houston, TX | I-PRO AMERICAS, INC. | 198 | 2 | 469 |
| Oyster Creek, TX | I.C.S., INC. | 173 | 3 | 393 |
| Des Plaines, IL | ICEBERG ENTERPRISES, LLC | 104 | 4 | 117 |
| Cedar Park, TX | IDEA AUTO GROUP, LLC | 409 | 2 | 591 |
| Fort Worth, TX | IDEAL PARTNERS MANAGEMENT GROUP, LLC | 167 | 2 | 2 |
| Northbrook, IL | IDEX CORPORATION | 4,165 | 24 | 9 |
| Chicago, IL | IFF | 150 | 3 | 180 |
| Chicago, IL | IG US HOLDINGS, INC. | 405 | 2 | 405 |
| Olney, IL | IGC HOLDINGS, INC | 102 | 2 | 257 |
| Houston, TX | IKAV ENERGY INC. | 174 | 4 | 551 |
| Chicago, IL | ILLINOIS ACTION FOR CHILDREN | 487 | 5 | 725 |
| Springfield, IL | ILLINOIS BANKERS ASSOCIATION | 1,660 | 3 | 1,912 |
| Joliet, IL | ILLINOIS CENTRAL SCHOOL BUS, LLC | 3,905 | 5 | 297 |
| Naperville, IL | ILLINOIS CREDIT UNION LEAGUE | 156 | 6 | 250 |
| Springfield, IL | ILLINOIS EDUCATION ASSOCIATION | 213 | 2 | 565 |
| Naperville, IL | ILLINOIS HEALTH AND HOSPITAL ASSOCIATION | 179 | 6 | 262 |
| Chicago, IL | ILLINOIS INSTITUTE OF TECHNOLOGY | 1,063 | 6 | 1,658 |
| Bloomington, IL | ILLINOIS NETWORK OF CHILD CARE RESOURCES AND REFERRAL AGENCIES | 230 | 4 | 394 |
| Chicago, IL | IMANAGE | 632 | 3 | 1,206 |
| Boyne City, MI | IMI HOLDING CORP. | 210 | 7 | 123 |
| Naperville, IL | IMPACT ADVISORS, LLC | 965 | 4 | 965 |
| Tulsa, OK | IMPERIAL LLC | 514 | 3 | 635 |
| San Antonio, TX | IMPROVED PIPING PRODUCTS, INC. | 135 | 4 | 105 |
| Des Plaines, IL | IMS COMPANIES, LLC | 449 | 3 | 575 |
| Gilman, IL | INCOBRASA INDUSTRIES, LTD. | 226 | 3 | 508 |
| Houston, TX | INCORP HOLDINGS, LLC | 147 | 4 | 333 |
| Vernon Hills, IL | INCREDIBLE TECHNOLOGIES, INC. | 229 | 3 | 482 |
| Buffalo Grove, IL | INDECK ENERGY SERVICES, INC | 146 | 6 | 196 |
| San Antonio, TX | INDO-MIM, INC. | 180 | 7 | 267 |
| Geneva, IL | INDUSTRIAL HARD CHROME, LTD. | 143 | 9 | 143 |
| Fort Myers, FL | INDUSTRIAL SERVICE SOLUTIONS | 1,334 | 5 | 2,060 |
| Deer Park, TX | INDUSTRIAL SPECIALTY SERVICES USA LLC | 381 | 4 | 381 |
| Manhattan, KS | INDUSTRIAL STEEL MANAGEMENT, INC | 124 | 3 | 152 |
| League City, TX | INEOS USA, LLC | 3,664 | 6 | 9,651 |
| Seattle, WA | INFOBIP | 224 | 4 | 456 |
| Houston, TX | INFRASTRUCTURE NETWORKS, INC. | 111 | 3 | 195 |
| San Antonio, TX | INGENESIS,INC. | 374 | 9 | 519 |
| Hobbs, NM | INGRAM PROFESSIONAL SERVICES, INC. | 453 | 2 | 593 |
| New Braunfels, TX | INGRAM READY MIX, INC. | 834 | 5 | 1,348 |
| Westchester, IL | INGREDION INCORPORATED | 2,754 | 12 | 5,177 |
| Chicago, IL | INNER-CITY MUSLIM ACTION NETWORK | 95 | 2 | 93 |
| Conroe, TX | INNERSTAFF, LLC | 128 | 2 | 194 |
| Cranbury, NJ | INNOPHOS, INC. | 676 | 7 | 97 |
| Greenville, TX | INNOVATION FIRST INTERNATIONAL, INC. | 174 | 2 | 204 |
| Richardson, TX | INNOVATIVE SIGNAL ANALYSIS INC. | 144 | 13 | 391 |
| Irving, TX | INOVAR PACKAGING GROUP, LLC | 594 | 6 | 421 |
| Naperville, IL | INPRODUCTION | 525 | 2 | 330 |
| San Antonio, TX | INSCO DISTRIBUTING, INC. | 244 | 5 | 399 |
| Chicago, IL | INSPIRE11 LLC | 265 | 3 | 432 |
| Chicago, IL | INSTITUTE FOR THE INTERNATIONAL EDUCATION OF STUDENTS | 213 | 5 | 307 |
| Houston, TX | INTEGRATED PROCESS RESOURCE | 147 | 2 | 182 |
| Burr Ridge, IL | INTEGRATED PROJECT MANAGEMENT CO., INC. | 428 | 3 | 428 |
| Kalispell, MT | INTEGRATED SECURITY SOLUTIONS INC. | 117 | 2 | 141 |
| Dallas, TX | INTEGRATIVE EMERGENCY SERVICES | 778 | 11 | 1,473 |
| San Antonio, TX | INTEGRITY HR MANAGEMENT LLC | 1,000 | 2 | 1,399 |
| Rosemont, IL | INTELLIGENT MEDICAL OBJECTS, INC. | 303 | 4 | 621 |
| Fort Worth, TX | INTERCONNECT WIRING | 191 | 8 | 202 |
| Carrollton, TX | INTERCOOL USA, LLC | 109 | 2 | 207 |
| Lincolnshire, IL | INTERIOR INVESTMENTS LLC | 144 | 4 | 271 |
| Melrose Park, IL | INTERLAKE MECALUX, INC. | 373 | 7 | 521 |
| Chicago, IL | INTERNATIONAL FELLOWSHIP OF CHRISTIANS AND JEWS | 134 | 6 | 203 |
| Dallas, TX | INTERNATIONAL MARINA GROUP I, LP | 3,052 | 6 | 2,813 |
| Buffalo Grove, IL | INTERNATIONAL SERVICES, INC. | 396 | 4 | 390 |
| Chicago, IL | INTERPARK HOLDINGS LLC | 256 | 5 | 324 |
| Odessa, TX | INTERSTATE TREATING, INC. | 146 | 2 | 279 |
| Midland, TX | INTREPID DIRECTIONAL DRILLING SERVICES | 47 | 3 | 75 |
| Irvine, CA | INVASIX, INC. | 244 | 2 | 440 |
| Chicago, IL | INVENERGY LLC | 2,161 | 7 | 261 |
| Chicago, IL | INVENERGY SERVICES THERMAL US LLC | 103 | 2 | 261 |
| Downers Grove, IL | INVENTRUST PROPERTIES CORPORATION | 101 | 6 | 231 |
| Naperville, IL | INVESTORTOOLS, INC. | 131 | 5 | 280 |
| Perkins, OK | IOWA TRIBE OF OKLAHOMA WELFARE BENEFIT P | 336 | 6 | 550 |
| Bannockburn, IL | IPC INTERNATIONAL, INC. DBA IPC. INC. | 106 | 4 | 182 |
| San Antonio, TX | IPSECURE INC. | 86 | 3 | 194 |
| Cherry Valley, IL | IPSEN INC. | 254 | 8 | 26 |
| Chicago, IL | IRON GALAXY STUDIOS, LLC | 195 | 3 | 374 |
| Corpus Christi, TX | IRON HORSE TOOLS, LLC | 108 | 2 | 254 |
| Muskogee, OK | IRONHORSE FINANCIAL GROUP | 415 | 8 | 634 |
| Watseka, IL | IROQUOIS MEMORIAL HOSPITAL | 255 | 5 | 263 |
| Schaumburg, IL | ISACA | 242 | 9 | 555 |
| Hays, MT | ISLAND MOUNTAIN DEVELOPMENT GROUP | 288 | 4 | 557 |
| Scott, LA | ISLAND OPERATING COMPANY, INC. | 809 | 3 | 1,779 |
| Anaheim, CA | ISOSCELES HOLDINGS, LLC DBA VENTURI RESTORATION | 0 | 3 | 245 |
| Wilmington, IL | ITI INTERMODAL, INC. | 349 | 4 | 388 |
| Addison, IL | ITSAVVY/B2B INDUSTRIAL | 0 | 8 | 372 |
| Hagerman, NM | J&R OILFIELD SERVICES LLC | 143 | 2 | 61 |
| Miami, OK | J-M FARMS, LLC | 108 | 4 | 150 |
| Chicago, IL | J.A. WATTS INC. | 131 | 3 | 219 |
| Bozeman, MT | J.C. BILLION, INC. | 138 | 2 | 138 |
| Fort Worth, TX | J.C. PACE HOLDING COMPANY | 0 | 5 | 144 |
| Ofallon, IL | JACK SCHMITT FAMILY OF DEALERSHIPS, INC. | 123 | 2 | 111 |
| Missoula, MT | JACKSON CONTRACTOR GROUP, INC | 195 | 6 | 507 |
| Salt Lake City, UT | JACKSON GROUP PETERBILT, INC. | 1,080 | 6 | 90 |
| Chino, CA | JACUZZI BRANDS LLC-HEALTH PLAN | 884 | 8 | 161 |
| Skokie, IL | JADE FINANCIAL, LLC | 258 | 2 | 454 |
| Sand Springs, OK | JAMES & MILLER WELDING, LLC | 134 | 5 | 146 |
| Silver City, NM | JAMES HAMILTON CONSTRUCTION CO. | 129 | 6 | 228 |
| Addison, TX | JANI-KING INTERNATIONAL, INC. | 166 | 5 | 148 |
| Whitehouse, TX | JASPER VENTURES, INC. | 63 | 2 | 185 |
| Waco, TX | JAYNES, REITMEIER, BOYD & THERRELL, P.C. | 117 | 10 | 167 |
| Dallas, TX | JDC HEALTHCARE MANAGEMENT, LLC | 759 | 4 | 727 |
| Chicago, IL | JDRC MANAGED SERVICES, LLC | 2,509 | 17 | 2,746 |
| San Antonio, TX | JEFFERSON BANK | 328 | 8 | 711 |
| Houston, TX | JEFFERSON GULF COAST MANAGEMENT, LLC | 129 | 2 | 340 |
| West Chicago, IL | JEL SERT CO | 445 | 3 | 903 |
| Harristown, IL | JENNER AG, INC. | 105 | 2 | 195 |
| Mchenry, IL | JESSUP MANUFACTURING COMPANY | 98 | 3 | 138 |
| Houston, TX | JETCO DELIVERY LLC | 113 | 6 | 160 |
| Chicago, IL | JEWISH COUNCIL FOR YOUTH SERVICES | 130 | 6 | 100 |
| Rosemont, IL | JH ASSOCIATE MANAGEMENT, LLC | 380 | 6 | 256 |
| San Angelo, TX | JIM BASS FORD, INC. | 123 | 3 | 231 |
| Austin, TX | JIMMY EVANS COMPANY, LTD | 319 | 3 | 159 |
| El Paso, TX | JOBE MATERIALS, L.P. | 669 | 4 | 669 |
| Orland Park, IL | JOE RIZZA ENTERPRISES | 129 | 2 | 177 |
| San Antonio, TX | JOERIS GENERAL CONTRACTORS, LLC | 708 | 7 | 1,320 |
| Orland Park, IL | JOHN BURNS CONSTRUCTION CO | 322 | 2 | 444 |
| Chicago, IL | JOHN D AND CATHERINE T MACARTHUR FOUNDATION | 206 | 3 | 518 |
| Niles, IL | JOHNS-BYRNE LLC | 163 | 11 | 285 |
| Chicago, IL | JOHNSON & BELL, LTD. | 167 | 5 | 306 |
| Niles, IL | JOHNSON & QUIN, INC. | 98 | 5 | 136 |
| San Antonio, TX | JOHNSON BROS. BAKERY SUPPLY, INC. | 170 | 8 | 176 |
| Rock Falls, IL | JOHNSON OIL CO | 113 | 2 | 116 |
| Westmont, IL | JOHNSON SERVICE GROUP, INC. | 123 | 2 | 204 |
| Austin, TX | JOIN PARACHUTE, LLC | 524 | 4 | 441 |
| Chicago, IL | JOINT BD OF SEIU LOCAL 1 AND PARTICIPATING EMPLOYERS | 47 | 3 | 84 |
| Oakbrook Terrace, IL | JOINT COMMISSION ON ACCREDITATION OF HEALTHCARE ORGANIZATIONS | 1,307 | 7 | 1,316 |
| Roselle, IL | JON-DON, LLC | 426 | 3 | 496 |
| San Antonio, TX | JORDAN FORD, LTD. | 128 | 5 | 180 |
| El Paso, TX | JORDAN FOSTER CONSTRUCTION, LLC | 383 | 6 | 531 |
| Austin, TX | JOURNEYMAN CONSTRUCTION, INC. | 287 | 2 | 242 |
| Pocola, OK | JRT TRUCKING, INC. | 118 | 6 | 78 |
| Elgin, IL | JUDSON UNIVERSITY A BAPTIST INSTITUTION | 162 | 4 | 159 |
| Lockport, IL | JULIAN ELECTRIC INC | 469 | 8 | 221 |
| Houston, TX | JUNIPER RESIDENTIAL MANAGEMENT GROUP | 178 | 1 | 228 |
| Great Falls, MT | JUNKERMIER, CLARK, CAMPANELLA, STEVENS, PC | 100 | 9 | 165 |
| Oak Brook, IL | JVM REALTY CORPORATION | 168 | 4 | 211 |
| Dallas, TX | JW EYE ASSOCIATES, PA DBA KEY WHITMAN EYE CENTER | 291 | 3 | 275 |
| Houston, TX | K SOLV CHEMICALS | 250 | 9 | 346 |
| Glendale Heights, IL | K&K SCREW PRODUCTS, L.L.C. KKSP PRECISION MACHINING | 167 | 7 | 199 |
| Robstown, TX | K&R OPERATING, LLC | 187 | 2 | 393 |
| Chicago, IL | K2 SERVICES, LLC | 409 | 4 | 580 |
| College Station, TX | K2UNITED, LLC | 113 | 6 | 246 |
| San Antonio, TX | KAHLIG AUTO GROUP HEALTH BENEFIT TRUST | 1,157 | 1 | 1,998 |
| Irving, TX | KAIROS TECHNOLOGIES INC. | 217 | 2 | 189 |
| Kalispell, MT | KALISPELL FORD | 163 | 22 | 278 |
| The Woodlands, TX | KANACI TECHNOLOGIES, LLC | 356 | 2 | 929 |
| Dallas, TX | KANE, RUSSELL, COLEMAN & LOGAN, P.C. | 143 | 8 | 215 |
| Pasadena, TX | KANEKA NORTH AMERICA, LLC | 554 | 2 | 1,350 |
| Carlinville, IL | KARMAK, INC. | 233 | 5 | 385 |
| Chicago, IL | KATTEN MUCHIN ROSENMAN LLP | 1,105 | 7 | 1,992 |
| Chicago, IL | KAUFMAN, HALL & ASSOCIATES, LLC | 573 | 8 | 891 |
| Buffalo Grove, IL | KAY AND ASSOCIATES, INC. | 1,509 | 8 | 365 |
| Wheeling, IL | KEATS MANUFACTURING CO. | 212 | 3 | 220 |
| Weatherford, TX | KEG 1, LLC | 1,241 | 3 | 1,065 |
| Naperville, IL | KEHE DISTRIBUTORS, INC. | 7,720 | 11 | 8 |
| Chicago, IL | KEHOE DESIGNS, INC | 156 | 2 | 119 |
| Northfield, IL | KELLER GROUP, INC. | 281 | 10 | 10 |
| Chicago, IL | KELLER POSTMAN, LLC | 330 | 2 | 493 |
| Chicago, IL | KELLY, SCOTT AND MADISON, INC. | 150 | 5 | 100 |
| Charleston, IL | KEN DIEPHOLZ CHEVROLET, INC. | 114 | 2 | 60 |
| Mcallen, TX | KENNETH FOX SUPPLY COMPANY | 345 | 3 | 105 |
| Chicago, IL | KENNICOTT BROTHERS COMPANY | 233 | 5 | 349 |
| Kankakee, IL | KENSING, LLC | 220 | 3 | 507 |
| Springfield, IL | KERBER, ECK & BRAECKEL LLP | 262 | 1 | 262 |
| Beloit, WI | KERRY INC. | 5,771 | 15 | 278 |
| Vancouver, WA | KESTREL ENGINEERING GROUP, INC. | 130 | 2 | 227 |
| Moline, IL | KEY AUTO MALL, INC. | 145 | 2 | 142 |
| Schaumburg, IL | KEYPATH EDUCATION LLC | 366 | 3 | 603 |
| Chicago, IL | KEYSTONE CAPITAL MANAGEMENT LP | 0 | 1 | 4,399 |
| Rhome, TX | KEYSTONE SYNERGY, LLC | 230 | 2 | 213 |
| Deerfield, IL | KGH CONSULTATION & TREATMENT, INC. DBA KGH AUTISM SERVICES | 0 | 3 | 47 |
| Mcloud, OK | KICKAPOO TRIBE OF OKLAHOMA | 786 | 17 | 786 |
| Chicago, IL | KIDS ABOVE ALL | 189 | 4 | 183 |
| Laredo, TX | KILLAM OIL CO., LTD | 388 | 2 | 388 |
| Chicago, IL | KINAXIS CORP. | 263 | 5 | 556 |
| Fort Worth, TX | KING & GEORGE, LLC | 353 | 13 | 745 |
| Addison, TX | KING AEROSPACE, INC. | 202 | 9 | 221 |
| Chicago, IL | KINGSWAY AMERICA INC. | 279 | 4 | 344 |
| Prague, OK | KINSLOW GROUP | 159 | 2 | 159 |
| Chicago, IL | KIPP CHICAGO SCHOOLS | 387 | 2 | 568 |
| Champaign, IL | KIRBY FOODS, INC. | 293 | 2 | 274 |
| The Village, OK | KIRBY-SMITH MACHINERY | 715 | 8 | 1,345 |
| Quincy, IL | KNAPHEIDE MANUFACTURING CO | 2,533 | 7 | 3,909 |
| Percy, IL | KNIGHT HAWK COAL, LLC | 396 | 4 | 1,263 |
| San Antonio, TX | KNIGHT OFFICE SOLUTIONS | 145 | 7 | 157 |
| Effingham, IL | KOERNER DISTRIBUTOR INC. | 338 | 3 | 338 |
| Dallas, TX | KOETTER FIRE PROTECTION, LLC | 260 | 2 | 260 |
| Chicago, IL | KOLCRAFT ENTERPRISES INC | 130 | 5 | 136 |
| Buffalo Grove, IL | KOMAX CORP | 104 | 7 | 220 |
| Austin, TX | KOMPAN, INC. | 201 | 9 | 399 |
| Dallas, TX | KOSMOS ENERGY, LLC | 207 | 5 | 658 |
| Montvale, NJ | KPMG LLP | 36,470 | 38 | 313 |
| Dallas, TX | KPOST COMPANY | 105 | 2 | 154 |
| Des Plaines, IL | KRANZE TECHNOLOGY SOLUTIONS | 140 | 3 | 262 |
| Dixon, IL | KREIDER SERVICES INC | 157 | 2 | 211 |
| Arlington Heights, IL | KROESCHELL, INC. | 111 | 2 | 172 |
| Lincolnshire, IL | KUBOTA ENGINE AMERICA CORPORATION | 124 | 4 | 280 |
| Foster City, CA | KUMAR MANAGEMENT | 137 | 3 | 27 |
| Andrews, TX | KV POWER, LLC | 567 | 4 | 887 |
| Duncan, OK | L E JONES OPERATING INC | 81 | 2 | 81 |
| Odessa, TX | L&C SAFETY INC | 294 | 2 | 501 |
| Oak Brook, IL | L&H COMPANY, INC. | 254 | 3 | 469 |
| Danville, IL | L.L PARKS LIVESTOCK, INC. | 123 | 6 | 166 |
| Las Cruces, NM | LA CLINICA DE FAMILIA, INC. | 507 | 2 | 527 |
| Chicago, IL | LA RABIDA CHILDRENS HOSPITAL | 522 | 7 | 533 |
| Prospect Heights, IL | LABOR SOLUTIONS, LLC | 297 | 7 | 201 |
| Houston, TX | LADISH VALVE COMPANY, LLC | 0 | 4 | 206 |
| Albuquerque, NM | LAGUNA DEVELOPMENT CORPORATION | 834 | 3 | 413 |
| Irving, TX | LAIRD PLASTICS, INC. | 1,122 | 12 | 1,682 |
| Melrose Park, IL | LAKE BOOK MANUFACTURING, INC. | 136 | 2 | 75 |
| Bensenville, IL | LAKE CABLE LLC | 404 | 4 | 776 |
| Waukegan, IL | LAKE COUNTY PRESS | 318 | 3 | 215 |
| San Antonio, TX | LAKE FLATO ARCHITECTS, INC. | 142 | 3 | 231 |
| Lake Forest, IL | LAKE FOREST ACADEMY | 151 | 3 | 267 |
| Skokie, IL | LAKESHORE EMPLOYMENT, INC. | 477 | 2 | 377 |
| Park Ridge, IL | LAKESIDE BANK | 176 | 3 | 310 |
| Dallas, TX | LALA U.S., INC. | 121 | 3 | 227 |
| Coppell, TX | LAMACAR, INC. DBA KELLI'S GIFT SHOP SUPPLIERS | 133 | 2 | 116 |
| Hungerford, TX | LAMBERTI USA, INC. | 111 | 2 | 259 |
| Lancaster, TX | LANCASTER REGIONAL HOSPITAL, LP | 178 | 9 | 245 |
| Decatur, IL | LAND OF LINCOLN CREDIT UNION | 140 | 10 | 131 |
| East St. Louis, IL | LAND OF LINCOLN LEGAL AID | 162 | 3 | 220 |
| Irving, TX | LANEHART ELECTRICAL CONTRACTORS LLC | 279 | 2 | 499 |
| San Antonio, TX | LANGLEY & BANACK, INC. | 139 | 3 | 264 |
| Spearfish, SD | LANTIS ENTERPRISES, INC. | 159 | 2 | 299 |
| Champaign, IL | LANZ HEATING & COOLING, INC. | 194 | 3 | 211 |
| Deerfield, IL | LANZAJET, INC. | 197 | 5 | 247 |
| Skokie, IL | LANZATECH, INC. | 308 | 2 | 615 |
| Carrollton, TX | LASCO ACOUSTICS & DRYWALL INC. | 248 | 6 | 248 |
| Chicago, IL | LATIN SCHOOL OF CHICAGO | 287 | 4 | 931 |
| Tulsa, OK | LATSHAW DRILLING & EXPLORATION COMPANY | 301 | 6 | 452 |
| Oak Brook, IL | LAUNCH TECHNICAL WORKFORCE SOLUTIONS, LLC | 164 | 8 | 156 |
| Lisle, IL | LAUREATE CHICAGOLAND HOLDINGS, LLC | 126 | 2 | 134 |
| Naperville, IL | LAUTERBACH & AMEN, LLP | 184 | 2 | 189 |
| Chicago, IL | LAW BULLETIN PUBLISHING COMPANY | 72 | 3 | 103 |
| Abilene, TX | LAWRENCE HALL CHEVROLET, INC | 231 | 6 | 231 |