Illinois DOT — page 2 of 2
572 companies, type “Illinois DOT”.
1 · 2
| Place | Company | Prequalification number | Agency | Since |
|---|---|---|---|---|
| Jacksonville, IL | L. W. ROULAND TRUCKING SERVICE, INC. | IL-5179 | Illinois DOT | — |
| Atlanta, GA | L.K. COMSTOCK NATIONAL TRANSIT, LLC | IL-874C | Illinois DOT | — |
| Addieville, IL | LAKE CONTRACTING, INC. | IL-3352 | Illinois DOT | — |
| Libertyville, IL | LAKE COUNTY GRADING COMPANY, LLC | IL-3345 | Illinois DOT | — |
| Woodridge, IL | LAKES & RIVERS CONTRACTING, INC. | IL-3339 | Illinois DOT | — |
| Millstadt, IL | LAND OPERATIONS, INC. | IL-011C | Illinois DOT | — |
| Huntley, IL | LANDMARK CONTRACTORS, INC. | IL-3356 | Illinois DOT | — |
| Rock Island, IL | LANGMAN CONSTRUCTION, INC. | IL-3375 | Illinois DOT | — |
| Peoria, IL | LASER ELECTRIC, INC. | IL-3382 | Illinois DOT | — |
| Macomb, IL | LAVERDIERE CONSTRUCTION, INC. | IL-3391 | Illinois DOT | — |
| Mt Carroll, IL | LAW EXCAVATING INC. | IL-3384 | Illinois DOT | — |
| Watsonville, CA | LAYNE CHRISTENSEN COMPANY | IL-3413 | Illinois DOT | — |
| Crest Hill, IL | LEN COX & SONS EXCAVATING | IL-1235 | Illinois DOT | — |
| Pontiac, IL | LEO P. KELLY ELECTRIC, INCORPORATED | IL-3110 | Illinois DOT | — |
| Ringwood, IL | LIMA CONTRACTORS, INC. | IL-3448 | Illinois DOT | — |
| Bensenville, IL | LINDAHL BROTHERS, INC. | IL-3460 | Illinois DOT | — |
| Hilllsboro, IL | LITCHFIELD BITUMINOUS CORPORATION | IL-3480 | Illinois DOT | — |
| Galesburg, IL | LOCKWOOD EXCAVATING & CONSTRUCTION, INC. | IL-762C | Illinois DOT | — |
| Des Plaines, IL | LORIG CONSTRUCTION COMPANY | IL-3505 | Illinois DOT | — |
| Galena, IL | LOUIE'S TRENCHING SERVICE, INC. | IL-3514 | Illinois DOT | — |
| Morrisonville, IL | LOUIS MARSCH, INC. | IL-3693 | Illinois DOT | — |
| Wheeling, IL | LOVERDE CONSTRUCTION COMPANY, INC. | IL-3513 | Illinois DOT | — |
| Davenport, IA | LOVEWELL FENCING, INC. | IL-3524 | Illinois DOT | — |
| Black River Falls, WI | LUNDA CONSTRUCTION COMPANY | IL-3523 | Illinois DOT | — |
| Robinson, IL | LYTLE ELECTRIC COMPANY | IL-808C | Illinois DOT | — |
| Cicero, IL | M & J ASPHALT PAVING CO., INC. | IL-3563 | Illinois DOT | — |
| Tarpon Springs, FL | M & J CONSTRUCTION COMPANY OF PINELLAS COUNTY, INC. | IL-3595 | Illinois DOT | — |
| Monee, IL | M & J UNDERGROUND, INC. | IL-3624 | Illinois DOT | — |
| Stockton, IL | M & M CONCRETE, INC. | IL-3596 | Illinois DOT | — |
| Chicago, IL | M. Q. SEWER & WATER CONTRACTORS, INC. D/B/A M. Q. CONST. CO. | IL-3566 | Illinois DOT | — |
| Aurora, IL | M/M PETERS CONSTRUCTION, INC. | IL-482C | Illinois DOT | — |
| Byron, IL | M2 SERVICE COMPANY, LLC | IL-427B | Illinois DOT | — |
| South Elgin, IL | MAINTENANCE COATINGS COMPANY | IL-3615 | Illinois DOT | — |
| Brooklyn, IA | MANATT'S, INC. | IL-788C | Illinois DOT | — |
| Ingleside, IL | MANEVAL CONSTRUCTION COMPANY, INC. | IL-3657 | Illinois DOT | — |
| Arlington Heights, IL | MARKING SPECIALISTS CORPORATION | IL-3689 | Illinois DOT | — |
| Elgin, IL | MARTAM CONSTRUCTION, INC. | IL-3702 | Illinois DOT | — |
| Oregon, IL | MARTIN & COMPANY EXCAVATING | IL-3706 | Illinois DOT | — |
| Lee's Summit, MO | MARTINUS RAIL, LLC | IL-925C | Illinois DOT | — |
| Grapevine, TX | MASS. ELECTRIC CONSTRUCTION CO. | IL-873C | Illinois DOT | — |
| Overland Park, KS | MASSMAN CONSTRUCTION CO. | IL-3736 | Illinois DOT | — |
| Chicago, IL | MAT CONSTRUCTION LEASING, INC. | IL-3630 | Illinois DOT | — |
| Oak Lawn, IL | MATTHEW PAVING, INC. | IL-370C | Illinois DOT | — |
| Des Plaines, IL | MAURO SEWER CONSTRUCTION, INC. | IL-575B | Illinois DOT | — |
| Carterville, IL | MAY EXCAVATING, INC. | IL-3753 | Illinois DOT | — |
| Belleville, IL | MAYER LANDSCAPING, INC. | IL-3752 | Illinois DOT | — |
| Davenport, IA | MCCARTHY IMPROVEMENT COMPANY | IL-3810 | Illinois DOT | — |
| Silvis, IL | MCCLINTOCK TRUCKING & EXCAVATING, INC. | IL-815C | Illinois DOT | — |
| Chicago, IL | MCDONAGH DEMOLITION, INC. | IL-3848 | Illinois DOT | — |
| Ohio, IL | MCDONALD TRUCKING & PAVING, INC. | IL-180A | Illinois DOT | — |
| Frankfort, IL | MCGILL CONSTRUCTION, LLC | IL-3877 | Illinois DOT | — |
| Long Grove, IL | MCGINTY BROS., INC. | IL-3878 | Illinois DOT | — |
| Bloomington, IL | MCLEAN COUNTY ASPHALT CO., INC. | IL-809B | Illinois DOT | — |
| Oak Brook, IL | MEADE, INC. | IL-3948 | Illinois DOT | — |
| Mccook, IL | METROMEX CONTRACTORS, INC. | IL-3966 | Illinois DOT | — |
| Brownsville, WI | MICHELS CONSTRUCTION, INC. | IL-3839 | Illinois DOT | — |
| Brownsville, WI | MICHELS ROAD & STONE, INC. | IL-906C | Illinois DOT | — |
| Brownsville, WI | MICHELS TRENCHLESS, INC. | IL-905C | Illinois DOT | — |
| Bridgeton, MO | MICROSURFACING CONTRACTORS, LLC, A DIV. OF BYRNE & JONES HOLDING CO. | IL-0674 | Illinois DOT | — |
| Champaign, IL | MID ILLINOIS CONCRETE AND EXCAVATION, INC. | IL-4033 | Illinois DOT | — |
| Eureka, IL | MIDSTATE ASPHALT REPAIR, INC. | IL-431C | Illinois DOT | — |
| Chicago, IL | MIDWEST FENCE CORPORATION | IL-4055 | Illinois DOT | — |
| Greenfield, IN | MIDWEST MOLE, INC. | IL-697A | Illinois DOT | — |
| East Chicago, IN | MIDWESTERN ELECTRIC, LLC | IL-4093 | Illinois DOT | — |
| Highland, IL | MIKE A. MAEDGE TRUCKING, INC. | IL-381B | Illinois DOT | — |
| Bellwood, IL | MILBURN, LLC | IL-800C | Illinois DOT | — |
| Mackinaw, IL | MILLER AND SON CONSTRUCTION CO. | IL-4122 | Illinois DOT | — |
| Indianapolis, IN | MILLER PIPELINE, LLC | IL-671C | Illinois DOT | — |
| Silvis, IL | MILLER TRUCKING & EXCAVATING, INC. | IL-4117 | Illinois DOT | — |
| Quincy, IL | MILLION CONSTRUCTION LTD | IL-110C | Illinois DOT | — |
| St. Charles, MO | MILLSTONE WEBER, LLC | IL-4135 | Illinois DOT | — |
| St. Louis, MO | MISSOURI PETROLEUM PRODUCTS COMPANY CORP, | IL-4133 | Illinois DOT | — |
| Freeport, IL | MORSE ELECTRIC, INC. | IL-4261 | Illinois DOT | — |
| Pembroke Township, IL | MOSLEY CONSTRUCTION 1, LLC | IL-4287 | Illinois DOT | — |
| Vienna, IL | MOTT EXCAVATING, INC. | IL-4263 | Illinois DOT | — |
| Mt Carmel, IL | MT. CARMEL STABILIZATION GROUP, INC. | IL-4270 | Illinois DOT | — |
| Burr Ridge, IL | MURPHY CONSTRUCTION SERVICES, LLC | IL-835C | Illinois DOT | — |
| Sunrise, FL | MURPHY PIPELINE CONTRACTORS, LLC | IL-951C | Illinois DOT | — |
| Palos Heights, IL | MYS, INCORPORATED | IL-3574 | Illinois DOT | — |
| Loves Park, IL | N-TRAK GROUP, LLC | IL-4331 | Illinois DOT | — |
| Crown Point, IN | N.I. SPANOS PAINTING, INC. | IL-5604 | Illinois DOT | — |
| Chicago, IL | NARDULLI CONSTRUCTION COMPANY, INC. | IL-859C | Illinois DOT | — |
| East Chicago, IN | NATIONAL INDUSTRIAL MAINTENANCE, INC. | IL-4351 | Illinois DOT | — |
| Chicago, IL | NATIONAL POWER RODDING CORPORATION | IL-4356 | Illinois DOT | — |
| Chicago, IL | NATIONAL WRECKING COMPANY | IL-4360 | Illinois DOT | — |
| Charleston, IL | NE-CO ASPHALT CO., INC. | IL-4362 | Illinois DOT | — |
| Waukesha, WI | NEW FIVE STAR ENERGY SERVICES, LLC | IL-920C | Illinois DOT | — |
| St Louis, MO | NEXT LEVEL CONSTRUCTION, LLC | IL-971C | Illinois DOT | — |
| Fort Worth, TX | NORTEX CONCRETE LIFT & STABILIZATION, INC. | IL-4414 | Illinois DOT | — |
| Youngstown, OH | NORTH STAR PAINTING COMPANY, INC. | IL-4423 | Illinois DOT | — |
| Sycamore, IL | NORTHERN CONTRACTING, INC. | IL-4424 | Illinois DOT | — |
| Rockford, IL | NORTHERN ILLINOIS SERVICE CO. | IL-4428 | Illinois DOT | — |
| South Beloit, IL | NORWEST CONSTRUCTION, INC. | IL-4398 | Illinois DOT | — |
| Mt Morris, IL | O'BRIEN CIVIL WORKS, INC. | IL-4461 | Illinois DOT | — |
| Mossville, IL | OBERLANDER ELECTRIC COMPANY, INC. | IL-4446 | Illinois DOT | — |
| Fulton, MO | OCCI, INC. | IL-4579 | Illinois DOT | — |
| Youngstown, OH | OHIO LIBERTY MAINTENANCE, INC. | IL-4481 | Illinois DOT | — |
| Lisle, IL | OHLA CENTRAL, INC | IL-4482 | Illinois DOT | — |
| Chicago Heights, IL | OLTHOFF INC. | IL-360C | Illinois DOT | — |
| Valparaiso, IN | OLYMPUS PAINTING, LLC | IL-4511 | Illinois DOT | — |
| Elgin, IL | OMEGA III LLC | IL-726C | Illinois DOT | — |
| Urbana, IL | OPEN ROAD PAVING COMPANY, LLC | IL-4551 | Illinois DOT | — |
| Pontiac, IL | OPPERMAN CONSTRUCTION CO. | IL-4547 | Illinois DOT | — |
| Morton, IL | OTTO BAUM COMPANY, INC. | IL-0335 | Illinois DOT | — |
| Kankakee, IL | OUTSEN ELECTRIC, INC. | IL-4584 | Illinois DOT | — |
| Riverton, IL | P & P CONSTRUCTION CO. | IL-4588 | Illinois DOT | — |
| Springfield, IL | P. H. BROUGHTON & SONS, INC. | IL-0635 | Illinois DOT | — |
| Joliet, IL | P. T. FERRO CONSTRUCTION CO. | IL-1750 | Illinois DOT | — |
| St. Louis, MO | PACE CONSTRUCTION COMPANY, CORP. | IL-4608 | Illinois DOT | — |
| Teutopolis, IL | PALS ELECTRIC, INC. | IL-4637 | Illinois DOT | — |
| Chicago, IL | PAN-OCEANIC ENGINEERING CO., INC. | IL-4619 | Illinois DOT | — |
| Arlington Heights, IL | PATH CONSTRUCTION COMPANY | IL-4677 | Illinois DOT | — |
| Wheeling, IL | PATRIOT PAVEMENT MAINTENANCE, INC. | IL-576C | Illinois DOT | — |
| Henry, IL | PAVEMENT MAINTENANCE SERVICES, INC. | IL-4687 | Illinois DOT | — |
| Waukesha, WI | PAYNE & DOLAN, INC. | IL-4696 | Illinois DOT | — |
| Tampa, FL | PCL CIVIL CONSTRUCTORS, INC. | IL-954C | Illinois DOT | — |
| Jonesboro, IL | PENNINGER ASPHALT PAVING, INC. | IL-883C | Illinois DOT | — |
| Plano, IL | PERFORMANCE CONSTRUCTION AND ENGINEERING, LLC | IL-4684 | Illinois DOT | — |
| Lake Bluff, IL | PETER BAKER & SON CO. | IL-0280 | Illinois DOT | — |
| Rapids City, IL | PHOENIX CORPORATION OF THE QUAD CITIES | IL-4741 | Illinois DOT | — |
| Ava, IL | PINEY CREEK CONSTRUCTION & REPAIR | IL-4823 | Illinois DOT | — |
| Addison, IL | PIRTANO CONSTRUCTION CO., LLC | IL-4786 | Illinois DOT | — |
| Leland, IL | PIZZO & ASSOCIATES, LTD. | IL-4685 | Illinois DOT | — |
| Highland, IL | PLOCHER CONSTRUCTION COMPANY, INC. | IL-4757 | Illinois DOT | — |
| Hoffman Estates, IL | PLOTE CONSTRUCTION, INC. | IL-4813 | Illinois DOT | — |
| Breese, IL | POETTKER CONSTRUCTION COMPANY | IL-4767 | Illinois DOT | — |
| Rock Falls, IL | PORTER BROTHERS CONSTRUCTION, INC. | IL-4816 | Illinois DOT | — |
| Dubuque, IA | PORTZEN CONSTRUCTION, INC. | IL-224C | Illinois DOT | — |
| Wyoming, IL | POTTER & SONS BLACKTOPPING, INC. | IL-818C | Illinois DOT | — |
| Wyoming, IL | POTTER SPRAY PATCHING SERVICES | IL-816C | Illinois DOT | — |
| Addison, IL | POWERLINK ELECTRIC, LLC | IL-4833 | Illinois DOT | — |
| Vandalia, IL | PRECISE CONSTRUCTION SERVICES, INC. | IL-4836 | Illinois DOT | — |
| Pingree Grove, IL | PRECISION PAVEMENT MARKINGS, INC. | IL-4837 | Illinois DOT | — |
| Elk Grove Village, IL | PREFORM TRAFFIC CONTROL SYSTEMS, LTD. | IL-4858 | Illinois DOT | — |
| Chicago, IL | PRESSURE WASHING UNLIMITED, INC. | IL-4838 | Illinois DOT | — |
| Florence, AL | PROSHOT CONCRETE, INC. | IL-4840 | Illinois DOT | — |
| Urbana, IL | PROTACK, LLC | IL-728C | Illinois DOT | — |
| Columbia, MD | PULLMAN SST, INC. | IL-961C | Illinois DOT | — |
| Fairview Heights, IL | PYRAMID ELECTRICAL CONTRACTORS, INC. | IL-4909 | Illinois DOT | — |
| Bridgeview, IL | QUALITY SAW & SEAL, INC. | IL-4914 | Illinois DOT | — |
| Metamora, IL | QUALITY SPOT REPAIR, INC. | IL-166C | Illinois DOT | — |
| Fairview, IL | QUICK ELECTRICAL CONTRACTORS, INC. | IL-723C | Illinois DOT | — |
| Tremont, IL | R. A. CULLINAN & SON, A DIVISION OF UNITED CONTRACTORS MIDWEST, INC. | IL-1284 | Illinois DOT | — |
| Mt. Morris, IL | R. E. WOLBER & SONS EXCAVATING, INC. | IL-273A | Illinois DOT | — |
| Chicago, IL | R. W. COLLINS CO., INC. | IL-1162 | Illinois DOT | — |
| Addison, IL | R. W. DUNTEMAN COMPANY | IL-1560 | Illinois DOT | — |
| St. Michael, MN | RACHEL CONTRACTING, LLC | IL-491C | Illinois DOT | — |
| Rockford, IL | RAGNAR BENSON, LLC | IL-750C | Illinois DOT | — |
| Atlanta, GA | RAILWORKS TRACK SERVICES LLC | IL-719B | Illinois DOT | — |
| Des Plaines, IL | RAUSCH INFRASTRUCTURE, LLC | IL-4969 | Illinois DOT | — |
| Belleville, IL | RAY LAFORE TRUCK SERVICE, INC. | IL-924C | Illinois DOT | — |
| East Alton, IL | RCS CONSTRUCTION, INC. | IL-4928 | Illinois DOT | — |
| Chester, IL | RED DOT CONSTRUCTION & EQUIPMENT RENTALS, INC. | IL-4996 | Illinois DOT | — |
| Quincy, IL | REES CONSTRUCTION COMPANY OF QUINCY | IL-4991 | Illinois DOT | — |
| Markham, IL | REYES GROUP LTD. | IL-5003 | Illinois DOT | — |
| Morris, IL | RGS CONSTRUCTION, INC. | IL-743C | Illinois DOT | — |
| Dwight, IL | RIBER CONSTRUCTION, INC. | IL-5040 | Illinois DOT | — |
| Palos Park, IL | RICCIO CONSTRUCTION CORPORATION | IL-5029 | Illinois DOT | — |
| Goshen, IN | RIETH-RILEY CONSTRUCTION CO., INC. | IL-5060 | Illinois DOT | — |
| Newburgh, IN | RIVER TOWN CONSTRUCTION, LLC | IL-389C | Illinois DOT | — |
| Romeoville, IL | ROADSAFE TRAFFIC SYSTEMS, INC. | IL-5091 | Illinois DOT | — |
| Hollywood, FL | ROBERTS TRAFFIC MARKING CORPORATION | IL-5093 | Illinois DOT | — |
| Janesville, WI | ROCK ROAD COMPANIES, INC. | IL-5112 | Illinois DOT | — |
| Beckemeyer, IL | ROOTERS AMERICAN MAINTENANCE, INC. | IL-5137 | Illinois DOT | — |
| Northlake, IL | ROSSI CONTRACTORS, INC. | IL-5166 | Illinois DOT | — |
| Bloomington, IL | ROWE CONSTRUCTION, A DIVISION OF UNITED CONTRACTORS MIDWEST, INC. | IL-5183 | Illinois DOT | — |
| Palm Harbor, FL | ROYAL BRIDGE, INC. | IL-5182 | Illinois DOT | — |
| Bradley, IL | RUBEN E. SMITH CONST. AND R & R, INC. | IL-5601 | Illinois DOT | — |
| Lagrange, IL | RULA'S ENTERPRISES | IL-727C | Illinois DOT | — |
| Rockville, MN | S. J. LOUIS CONSTRUCTION, INC. | IL-971B | Illinois DOT | — |
| Murphysboro, IL | SAMRON MIDWEST CONTRACTING, INC. | IL-5306 | Illinois DOT | — |
| Springfield, IL | SANGAMO CONSTRUCTION CO. | IL-5310 | Illinois DOT | — |
| Kankakee, IL | SCANLON EXCAVATING AND CONCRETE, INC. | IL-5347 | Illinois DOT | — |
| Wheeling, IL | SCHAEFGES BROTHERS, INC. | IL-5339 | Illinois DOT | — |
| Sterling, VA | SCHNABEL FOUNDATION COMPANY | IL-5350 | Illinois DOT | — |
| Danville, IL | SCHOMBURG & SCHOMBURG CONSTRUCTION, INC. | IL-5359 | Illinois DOT | — |
| Skokie, IL | SCHROEDER AND SCHROEDER, INC. | IL-5376 | Illinois DOT | — |
| Huntley, IL | SCHROEDER ASPHALT SERVICES, INC. | IL-5378 | Illinois DOT | — |
| Countryside, IL | SCHWARTZ EXCAVATING, INC. | IL-5379 | Illinois DOT | — |
| Bartlett, IL | SEBERT LANDSCAPING COMPANY | IL-5406 | Illinois DOT | — |
| Sugar Grove, IL | SEMPER FI YARD SERVICES, INC. D/B/A SEMPER FI LAND SERVICES, INC. | IL-5417 | Illinois DOT | — |
| Chicago, IL | SEVEN-D CONSTRUCTION COMPANY | IL-5441 | Illinois DOT | — |
| Bedford Park, IL | SHERIDAN PLUMBING & SEWER, LLC | IL-5486 | Illinois DOT | — |
| Centralia, IL | SHORES BUILDERS, INC. | IL-5463 | Illinois DOT | — |
| Sesser, IL | SIERRA BRAVO CONTRACTORS, LLC | IL-5526 | Illinois DOT | — |
| Rockford, IL | SJOSTROM & SONS, INC. | IL-5570 | Illinois DOT | — |
| West Dundee, IL | SKC CONSTRUCTION, INC. | IL-5289 | Illinois DOT | — |
| Fort Worth, TX | SKIDABRADER GROUP LLC | IL-877C | Illinois DOT | — |
| Gibson City, IL | SNC CONSTRUCTION, INC. | IL-5640 | Illinois DOT | — |
| Danville, IL | SNIDER'S TRUCKING, INC. | IL-5280 | Illinois DOT | — |
| Belleville, IL | SONNENBERG ASPHALT COMPANY, INC. | IL-538C | Illinois DOT | — |
| New Lenox, IL | SONOMA UNDERGROUND SERVICES | IL-5635 | Illinois DOT | — |
| Fishers, IN | SPECIALTIES COMPANY, LLC | IL-665B | Illinois DOT | — |
| Monee, IL | STANTEC CONSULTING SERVICES, INC. | IL-5681 | Illinois DOT | — |
| Bloomington, IL | STARK EXCAVATING, INC. | IL-5672 | Illinois DOT | — |
| Toluca, IL | STEFFEN'S 3-D CONSTRUCTION, INC. | IL-5655 | Illinois DOT | — |
| Rockford, IL | STENSTROM EXCAVATION & BLACKTOP, INC. | IL-4906 | Illinois DOT | — |
| Frankfort, IL | STEVE SPIESS CONSTRUCTION, INC. | IL-5623 | Illinois DOT | — |
| Geneseo, IL | STEVE'S NURSERY, INC. | IL-5621 | Illinois DOT | — |
| Erie, IL | STICHTER CONSTRUCTION, INC. | IL-5873 | Illinois DOT | — |
| Morris, IL | STOTT CONTRACTING, LLC | IL-5750 | Illinois DOT | — |
| Addison, IL | STRADA CONSTRUCTION COMPANY | IL-748B | Illinois DOT | — |
| Deforest, WI | STRUCK & IRWIN PAVING, INC. | IL-961B | Illinois DOT | — |
| Alton, IL | STUTZ EXCAVATING, INC. | IL-5802 | Illinois DOT | — |
| Mundelein, IL | SUBURBAN CONCRETE, INC. | IL-5804 | Illinois DOT | — |
| Lagrange Park, IL | SUBURBAN GENERAL CONSTRUCTION, INC. | IL-359A | Illinois DOT | — |
| Chicago, IL | SUMIT CONSTRUCTION CO., INC. | IL-5832 | Illinois DOT | — |
| Menomonee Falls, WI | SUPER EXCAVATORS, INC. | IL-934A | Illinois DOT | — |
| Portage, IN | SUPERIOR CONSTRUCTION CO., INC. | IL-5842 | Illinois DOT | — |
| Minooka, IL | SUPERIOR EXCAVATING CO. | IL-5853 | Illinois DOT | — |
| Bartlett, IL | SUPERIOR ROAD STRIPING, INCORPORATED | IL-5850 | Illinois DOT | — |
| New Kingstown, PA | SURFACE PREPARATION TECHNOLOGIES, LLC | IL-5867 | Illinois DOT | — |
| West Chicago, IL | SWALLOW CONSTRUCTION CORPORATION | IL-5866 | Illinois DOT | — |
| New Kensington, PA | SWANK CONSTRUCTION CO., LLC. | IL-508C | Illinois DOT | — |
| Centralia, IL | T & L CONTRACTING, INC. | IL-896C | Illinois DOT | — |
| Union, IL | TAT ENTERPRISES, INC. | IL-745C | Illinois DOT | — |
| Andalusia, IL | TAYLOR RIDGE PAVING AND CONSTRUCTION | IL-858C | Illinois DOT | — |
| East Peoria, IL | TAZEWELL COUNTY ASPHALT CO., INC. | IL-993B | Illinois DOT | — |
| Rockford, IL | TCI CONCRETE, INC. | IL-783B | Illinois DOT | — |
| Salem, IN | TEMPLE & TEMPLE EXCAVATING & PAVING, INC. | IL-5978 | Illinois DOT | — |
| Bourbonnais, IL | TENCO EXCAVATING, INC. | IL-5968 | Illinois DOT | — |
| Country Club Hills, IL | TERRAZAS, LLC | IL-5973 | Illinois DOT | — |
| Streetsboro, OH | THE AERO-MARK COMPANY LLC | IL-913C | Illinois DOT | — |
| Syracuse, IN | THE DALTONS, INC. | IL-1336 | Illinois DOT | — |
| Kent, OH | THE DAVEY TREE EXPERT COMPANY | IL-6080 | Illinois DOT | — |
| Kankakee, IL | THE FINAL CONNECTION INC. | IL-1788 | Illinois DOT | — |
| Mascoutah, IL | THE KILIAN CORPORATION | IL-3157 | Illinois DOT | — |
| Pevely, MO | THOMAS INDUSTRIAL COATINGS, INC. | IL-5942 | Illinois DOT | — |
| Wheaton, IL | THORNE ELECTRIC, INC. | IL-5949 | Illinois DOT | — |
| Merrillville, IN | THREE STAR PAINTING, INC. | IL-5963 | Illinois DOT | — |
| Baltimore, MD | TITAN INDUSTRIAL SERVICES, INC. | IL-5977 | Illinois DOT | — |
| Herscher, IL | TOBEY'S CONSTRUCTION & CARTAGE, INC. | IL-5991 | Illinois DOT | — |
| Bartlett, IL | TRAFFIC CONTROL & PROTECTION, LLC DBA HIGH STAR TRAFFIC | IL-6026 | Illinois DOT | — |
| West Chicago, IL | TRIGGI CONSTRUCTION, INC. | IL-6051 | Illinois DOT | — |
| St. Charles, IL | TRINE CONSTRUCTION CORP. | IL-6063 | Illinois DOT | — |
| Springfield, IL | TRUMAN L. FLATT & SONS CO., INC. | IL-1810 | Illinois DOT | — |
| Chadwick, IL | TWIN CITY CONSTRUCTION COMPANY | IL-6126 | Illinois DOT | — |
| Brookfield, IL | UNIQUE PLUMBING COMPANY, INC. | IL-305B | Illinois DOT | — |
| Springfield, IL | UNITED CONTRACTORS MIDWEST, INC. | IL-738B | Illinois DOT | — |
| Brookfield, IL | UNITED ENTERPRISE, LLC | IL-6138 | Illinois DOT | — |
| Lasalle, IL | UNIVERSAL ASPHALT & EXCAVATING, INC. | IL-6208 | Illinois DOT | — |
| Addison, IL | UTILITY CONSTRUCTORS, LLC | IL-903C | Illinois DOT | — |
| Oswego, IL | UTILITY DYNAMICS CORPORATION | IL-6187 | Illinois DOT | — |
| Woodridge, IL | V3 CONSTRUCTION GROUP LTD. | IL-6204 | Illinois DOT | — |
| Rock Island, IL | VALLEY CONSTRUCTION CO. | IL-6210 | Illinois DOT | — |
| Wilmington, IL | VAN MACK ELECTRIC CO. | IL-6242 | Illinois DOT | — |
| Champaign, IL | VARSITY STRIPING & CONSTRUCTION CO. | IL-6243 | Illinois DOT | — |
| Concord, NH | VENTURE CONSTRUCTION, INC. | IL-6253 | Illinois DOT | — |
| Valparaiso, IN | VENUS PAINTING CO. | IL-6254 | Illinois DOT | — |
| Lisle, IL | VERITAS STEEL, LLC | IL-6264 | Illinois DOT | — |
| Pewaukee, WI | VISU-SEWER, LLC | IL-264A | Illinois DOT | — |
| Big Rock, IL | VOLT ELECTRIC, INC. | IL-2222 | Illinois DOT | — |
| Middleton, WI | W K CONSTRUCTION CO., INC. | IL-6529 | Illinois DOT | — |
| Hamilton, IL | W. L. MILLER COMPANY | IL-4118 | Illinois DOT | — |
| Chicago, IL | WALSH CONSTRUCTION COMPANY II, LLC | IL-6344 | Illinois DOT | — |
| Olney, IL | WAYNE'S TREE SERVICE | IL-6354 | Illinois DOT | — |
| Rockford, IL | WHITE CONSTRUCTION, LLC | IL-6450 | Illinois DOT | — |
| Frankfort, IL | WHITELINE CONSTRUCTION, INC. | IL-6447 | Illinois DOT | — |
| Earlville, IL | WHITTAKER CONSTRUCTION & EXCAVATING, INC. | IL-6478 | Illinois DOT | — |
| Godfrey, IL | WIDMAN CONSTRUCTION, INC. | IL-6473 | Illinois DOT | — |
| Rockford, IL | WILLIAM CHARLES CONSTRUCTION COMPANY, LLC | IL-0958 | Illinois DOT | — |
| Rockford, IL | WILLIAM CHARLES ELECTRIC, LLC | IL-0972 | Illinois DOT | — |
| Bloomingdale, IL | WILLIAM T. CONNELLY, INC. D/B/A CONNELLY ELECTRIC CO. | IL-6388 | Illinois DOT | — |
| Yorkville, IL | WINNINGER EXCAVATING, INC. | IL-6494 | Illinois DOT | — |
| Steger, IL | WIRKUS PAVING COMPANY | IL-955C | Illinois DOT | — |
| Northbrook, IL | WISS, JANNEY, ELSTNER ASSOCIATES, INC. | IL-703C | Illinois DOT | — |
| Belleville, IL | WISSEHR ELECTRIC, INC. | IL-6537 | Illinois DOT | — |
| Crete, IL | WITECH COMPANY, INC. | IL-879C | Illinois DOT | — |
| Morton, IL | WM. AUPPERLE & SONS, INC. | IL-0251 | Illinois DOT | — |
| Effingham, IL | XTREME SEEDING, INC. | IL-609B | Illinois DOT | — |
| Fieldon, IL | YAMNITZ & ASSOCIATES | IL-6598 | Illinois DOT | — |
| Chicago, IL | ZENITH CONSTRUCTION AND ENGINEERING SERVICES LLC | IL-967C | Illinois DOT | — |
Alphabetical order — this site ranks no one. Companies in the State Departments of Transportation (Illinois, Florida) file of October 12, 2026. Individuals are not on this site. How to read this.