Illinois DOT — page 1 of 2
572 companies, type “Illinois DOT”.
1 · 2
| Place | Company | Prequalification number | Agency | Since |
|---|---|---|---|---|
| Morrison, IL | 369 SERVICE GROUP LLC | IL-970C | Illinois DOT | — |
| Centralia, IL | 618 CIVIL CONTRACTING LLC | IL-807C | Illinois DOT | — |
| Urbana, IL | A & A CONCRETE, LLC | IL-0470 | Illinois DOT | — |
| Urbana, IL | A & R MECHANICAL SERVICES, INC. | IL-0379 | Illinois DOT | — |
| Chicago, IL | A-CURRENT LLC | IL-941C | Illinois DOT | — |
| Elgin, IL | A. C. PAVEMENT STRIPING CO. | IL-0031 | Illinois DOT | — |
| Schaumburg, IL | A. LAMP CONCRETE CONTRACTORS, INC. | IL-3315 | Illinois DOT | — |
| Cicero, IL | A.L.L. MASONRY CONSTRUCTION CO., INC. | IL-714C | Illinois DOT | — |
| Aurora, IL | ABBEY CONSTRUCTION CO., INC. | IL-0030 | Illinois DOT | — |
| Rock Island, IL | ACCESS CONTROL COMPANY, INC. | IL-0041 | Illinois DOT | — |
| Oceano, CA | ACCESS LIMITED CONSTRUCTION | IL-754C | Illinois DOT | — |
| Hanna City, IL | ACE IN THE HOLE, INC. | IL-021C | Illinois DOT | — |
| Elmhurst, IL | ACQUA CONTRACTORS CORP | IL-0467 | Illinois DOT | — |
| Bensenville, IL | ACURA, INC. | IL-0382 | Illinois DOT | — |
| Dallas, TX | ADESTA LLC | IL-0370 | Illinois DOT | — |
| Vandalia, IL | ADS ELECTRIC COMPANY, LLC | IL-638C | Illinois DOT | — |
| Princeton, IL | ADVANCED ASPHALT COMPANY | IL-0049 | Illinois DOT | — |
| St. Louis, MO | AHRENS CONTRACTING, INC. | IL-0007 | Illinois DOT | — |
| Joliet, IL | AIRYS, INC. | IL-648A | Illinois DOT | — |
| St. Louis, MO | ALBERICI CONSTRUCTORS, INC. | IL-0067 | Illinois DOT | — |
| Libertyville, IL | ALDRIDGE ELECTRIC, INC. | IL-0080 | Illinois DOT | — |
| Springfield, IL | ALL IN ONE MANAGEMENT & SERVICES, INC. | IL-0419 | Illinois DOT | — |
| Alexander, IL | ALL STATES PAINTING, INC. | IL-0115 | Illinois DOT | — |
| Oswego, NY | ALLEN CHASE ENTERPRISES, INC. | IL-0454 | Illinois DOT | — |
| Woodstock, IL | ALLIANCE CONTRACTORS, INC. | IL-0103 | Illinois DOT | — |
| St. Charles, IL | ALPINE DEMOLITION SERVICES, LLC | IL-0436 | Illinois DOT | — |
| Lawrenceville, IL | AMBRAW ASPHALT MATERIALS, INC | IL-0138 | Illinois DOT | — |
| Valley Park, MO | AMERICA'S PARKING REMARKING, LLC | IL-0377 | Illinois DOT | — |
| New Lenox, IL | AMERICAN ASPHALT SURFACE RECYCLING, INC. | IL-4339 | Illinois DOT | — |
| Benicia, CA | AMERICAN CIVIL CONSTRUCTORS WEST COAST, LLC | IL-0431 | Illinois DOT | — |
| Jeffersonville, IN | AMERICAN CONTRACTING & SERVICES, INC. | IL-0378 | Illinois DOT | — |
| Wheaton, IL | AMERICAN ROAD MAINTENANCE, INC. D/B/A MIDWEST TAR SEALER | IL-4081 | Illinois DOT | — |
| Smithville, OH | AMERISEAL OF OHIO, INC. | IL-923C | Illinois DOT | — |
| Burnsville, MN | AMES CONSTRUCTION, INC. | IL-914C | Illinois DOT | — |
| Stonefort, IL | AR MARTIN CONSTRUCTION LLC | IL-0473 | Illinois DOT | — |
| Streamwood, IL | AREATHA CONSTRUCTION CO., INC. | IL-0204 | Illinois DOT | — |
| Mascoutah, IL | ASPHALT SALES AND PRODUCTS, INC. | IL-0217 | Illinois DOT | — |
| Maryland Heights, MO | ASPHALT SERVICES, LLC | IL-932C | Illinois DOT | — |
| Horsham, PA | ASPLUNDH TREE EXPERT, LLC | IL-0218 | Illinois DOT | — |
| Elwood, IL | AUSTIN TYLER CONSTRUCTION, INC. | IL-6117 | Illinois DOT | — |
| Morton, IL | B & W TREE SERVICE, INC. | IL-855C | Illinois DOT | — |
| Waterloo, IL | BAXMEYER CONSTRUCTION, INC. | IL-0338 | Illinois DOT | — |
| Belvidere, IL | BEL ROCK ASPHALT PAVING, INC. | IL-758C | Illinois DOT | — |
| Bartlett, IL | BENCHMARK CONSTRUCTION CO., INC. | IL-0362 | Illinois DOT | — |
| Tuscola, IL | BENIACH CONSTRUCTION CO., INC. | IL-0385 | Illinois DOT | — |
| Wauconda, IL | BERGER EXCAVATING CONTRACTORS, INC. D/B/A BERGER CONTRACTORS, INC. | IL-0392 | Illinois DOT | — |
| Chicago, IL | BERGLUND CONSTRUCTION COMPANY | IL-0448 | Illinois DOT | — |
| Pana, IL | BEYERS CONSTRUCTION CO., INC. | IL-0452 | Illinois DOT | — |
| Dahlgren, IL | BIG CREEK EXCAVATING, INC. | IL-0463 | Illinois DOT | — |
| Danville, IL | BIG O SERVICES, LLC | IL-0453 | Illinois DOT | — |
| Chicago, IL | BIGANE PAVING COMPANY | IL-0459 | Illinois DOT | — |
| Cynthiana, IN | BLANKENBERGER BROTHERS, INC. | IL-0494 | Illinois DOT | — |
| Mulberry Grove, IL | BLANKENSHIP CONSTRUCTION CO. | IL-0465 | Illinois DOT | — |
| Bloomsdale, MO | BLOOMSDALE EXCAVATING CO., INC. | IL-0508 | Illinois DOT | — |
| Rock Falls, IL | BLUEBIRD CONTRACTING, INC. | IL-936C | Illinois DOT | — |
| Wauconda, IL | BLUEWATER CONSTRUCTION, LLC | IL-911C | Illinois DOT | — |
| Decatur, IL | BODINE ELECTRIC OF DECATUR | IL-0518 | Illinois DOT | — |
| Cary, IL | BOLDER CONTRACTORS, LLC | IL-0551 | Illinois DOT | — |
| Elmhurst, IL | BRANDENBURG INDUSTRIAL SERVICE COMPANY | IL-0592 | Illinois DOT | — |
| Milan, IL | BRANDT CONSTRUCTION CO. | IL-0593 | Illinois DOT | — |
| Morris, IL | BRANDT EXCAVATING, INC. | IL-678C | Illinois DOT | — |
| Addison, IL | BROTHERS ASPHALT PAVING, INC. | IL-0623 | Illinois DOT | — |
| Quincy, IL | BROWN ELECTRIC CONSTRUCTION CO. | IL-0642 | Illinois DOT | — |
| Goreville, IL | BROWN ELECTRIC, INC. | IL-0644 | Illinois DOT | — |
| Hillside, IL | BUILDERS ASPHALT, LLC | IL-0668 | Illinois DOT | — |
| Hillside, IL | BUILDERS PAVING, LLC | IL-2341 | Illinois DOT | — |
| St. Louis, MO | BYRNE & JONES ENTERPRISES, INC. | IL-651B | Illinois DOT | — |
| East Peoria, IL | C & G CONCRETE CONSTRUCTION CO., INC. | IL-0755 | Illinois DOT | — |
| Campbell Hill, IL | C-HILL CIVIL CONTRACTORS, INC. | IL-0725 | Illinois DOT | — |
| Calumet City, IL | CALUMET CITY PLUMBING & HEATING CO., INC. | IL-374C | Illinois DOT | — |
| Wadsworth, IL | CAMPANELLA & SONS, INC. | IL-0781 | Illinois DOT | — |
| Rockford, IL | CAMPOS CONSTRUCTION, INC. | IL-0791 | Illinois DOT | — |
| Homewood, IL | CAPITAL INDUSTRIAL SERVICES, LLC | IL-0846 | Illinois DOT | — |
| Chicago, IL | CAPITOL CEMENT CO., INC. | IL-0801 | Illinois DOT | — |
| Springfield, IL | CAPITOL CONSTRUCTION GROUP, LLC DBA EGIZII ELECTRIC | IL-0720 | Illinois DOT | — |
| Moline, IL | CENTENNIAL CONTRACTORS OF THE QUAD CITIES, INC. | IL-0865 | Illinois DOT | — |
| Bettendorf, IA | CENTRAL EXCAVATING, INC. | IL-0902 | Illinois DOT | — |
| Princeville, IL | CENTRAL LANDSCAPING, LP | IL-0887 | Illinois DOT | — |
| St. John, IN | CENTRAL PAINTING, INC | IL-0894 | Illinois DOT | — |
| Tinley Park, IL | CENTRAL SWEEPING OF ILLINOIS, LLC | IL-0901 | Illinois DOT | — |
| Pewaukee, WI | CENTURY FENCE COMPANY | IL-0891 | Illinois DOT | — |
| Melrose Park, IL | CERNIGLIA CO. | IL-0892 | Illinois DOT | — |
| Lake In The Hills, IL | CHADWICK CONTRACTING COMPANY | IL-0919 | Illinois DOT | — |
| Urbana, IL | CHAMPAIGN SIGNAL AND LIGHTING CO. | IL-0936 | Illinois DOT | — |
| Ft. Lauderdale, FL | CHAMPION PAINTING SPECIALTY SERVICES CORP. | IL-0983 | Illinois DOT | — |
| Swansea, IL | CHARLES E. MAHONEY CO. | IL-3649 | Illinois DOT | — |
| Lake Zurich, IL | CHICAGOLAND PAVING CONTRACTORS, INC. | IL-1001 | Illinois DOT | — |
| Tunnel Hill, IL | CHRIS HARNER EXCAVATING | IL-1030 | Illinois DOT | — |
| Lebanon, IL | CHRIST BROS. ASPHALT, INC. | IL-1034 | Illinois DOT | — |
| Chicago Ridge, IL | CITY LIGHTS, LTD. | IL-1040 | Illinois DOT | — |
| Valparaiso, IN | CIVIL COATINGS AND CONSTRUCTION, INC. | IL-2766 | Illinois DOT | — |
| Freeport, IL | CIVIL CONSTRUCTORS, INC. D/B/A HELM CIVIL | IL-1045 | Illinois DOT | — |
| Lockport, IL | CLAUSEN STRUCTURES, INC. | IL-820C | Illinois DOT | — |
| Grayslake, IL | CLEAN CUT TREE SERVICE, INC. | IL-1093 | Illinois DOT | — |
| Bluffs, IL | CLEVENGER CONTRACTORS, INC. | IL-1112 | Illinois DOT | — |
| St. Louis, MO | COLLINS & HERMANN, INC. | IL-1163 | Illinois DOT | — |
| Pittsfield, IL | COMPLETE ASPHALT SERVICE COMPANY | IL-1175 | Illinois DOT | — |
| Salem, IN | COMPLETE PIPE LINING, LLC | IL-870C | Illinois DOT | — |
| Morris, IL | CONLEY EXCAVATING, INC. | IL-1180 | Illinois DOT | — |
| Monee, IL | CONSOLIDATED TRADE SERVICES IL, INC. | IL-953C | Illinois DOT | — |
| Joliet, IL | CONSTRUCTION BY CAMCO, INC. | IL-1199 | Illinois DOT | — |
| Union, IL | COPENHAVER CONSTRUCTION, INC. | IL-1216 | Illinois DOT | — |
| South Roxana, IL | CORRECTIVE ASPHALT MATERIALS, LLC | IL-668C | Illinois DOT | — |
| Quincy, IL | COUNTY CONTRACTORS, INC. | IL-1232 | Illinois DOT | — |
| Elgin, IL | COWAN ELECTRIC, INC. | IL-854C | Illinois DOT | — |
| Lemont, IL | CRANA SERVICES, LLC | IL-863C | Illinois DOT | — |
| Urbana, IL | CROSS CONSTRUCTION, INC. | IL-1250 | Illinois DOT | — |
| Glenarm, IL | CSD ENVIRONMENTAL SERVICES, INC. | IL-0737 | Illinois DOT | — |
| Geneseo, IL | CURNYN CONSTRUCTION CO. | IL-1304 | Illinois DOT | — |
| Crystal Lake, IL | CURRAN CONTRACTING COMPANY | IL-1305 | Illinois DOT | — |
| Liberty, IL | D & L EXCAVATING, INC. | IL-1364 | Illinois DOT | — |
| Eureka, IL | D&D PAVEMENT SOLUTIONS, INC. | IL-806C | Illinois DOT | — |
| Algonquin, IL | D'LAND CONSTRUCTION, LLC | IL-1360 | Illinois DOT | — |
| Coal City, IL | D. CONSTRUCTION, INC. | IL-1320 | Illinois DOT | — |
| Tilton, IL | DANIEL L. RIBBE TRUCKING, INC. | IL-5038 | Illinois DOT | — |
| Davenport, IA | DAVENPORT ELECTRIC CONTRACT COMPANY | IL-1338 | Illinois DOT | — |
| Belleville, IL | DAVINROY MECHANICAL CONTRACTOR, INC. | IL-1356 | Illinois DOT | — |
| Monee, IL | DAVIS CONCRETE CONSTRUCTION COMPANY | IL-1382 | Illinois DOT | — |
| West Frankfort, IL | DEES, INC. | IL-1389 | Illinois DOT | — |
| Wilsonville, IL | DELAURENT CONSTRUCTION COMPANY, INC. | IL-1419 | Illinois DOT | — |
| Jefferson City, MO | DELONG'S, INC. | IL-1431 | Illinois DOT | — |
| Joliet, IL | DENLER, INC. | IL-1443 | Illinois DOT | — |
| Forest Park, IL | DESIGN DEVELOPERS & REHUB, INC. | IL-850C | Illinois DOT | — |
| Quincy, IL | DIAMOND CONSTRUCTION COMPANY | IL-1465 | Illinois DOT | — |
| Chicago, IL | DIAMOND CORING COMPANY, INCORPORATED | IL-1454 | Illinois DOT | — |
| Rogers, MN | DIAMOND SURFACE, INC. | IL-1453 | Illinois DOT | — |
| Arlington Heights, IL | DIMEO BROTHERS, INC. | IL-1459 | Illinois DOT | — |
| Addison, IL | DINATALE CONSTRUCTION, INC. | IL-1489 | Illinois DOT | — |
| Pleasant Prairie, WI | DK CONTRACTORS, INC. | IL-895C | Illinois DOT | — |
| Mascoutah, IL | DMS CONTRACTING, INC. | IL-1487 | Illinois DOT | — |
| Janesville, MN | DON BORNEKE CONSTRUCTION, INC. | IL-105C | Illinois DOT | — |
| Littleton, IL | DONE RITE CONSTRUCTION CO., INC. | IL-1499 | Illinois DOT | — |
| Manteno, IL | DOUBLE "G" EXCAVATING, INC. | IL-1373 | Illinois DOT | — |
| Sesser, IL | DOUG EUBANKS CONSTRUCTION | IL-554C | Illinois DOT | — |
| Pecatonica, IL | DPI CONSTRUCTION, INC. | IL-1374 | Illinois DOT | — |
| Champaign, IL | DUCE CONSTRUCTION COMPANY | IL-1538 | Illinois DOT | — |
| Decatur, IL | DUNN COMPANY | IL-1550 | Illinois DOT | — |
| Glendale Heights, IL | DUNNET BAY CONSTRUCTION COMPANY | IL-1552 | Illinois DOT | — |
| Dyer, IN | DYER CONSTRUCTION COMPANY, INC. | IL-1569 | Illinois DOT | — |
| Crete, IL | DYNAMIC INDUSTRIAL SERVICES, INC. | IL-957C | Illinois DOT | — |
| Fishers, IN | E & B PAVING, LLC | IL-565C | Illinois DOT | — |
| East St. Louis, IL | E. J. DOUGHERTY OIL & STONE, INC. | IL-1509 | Illinois DOT | — |
| Carbondale, IL | E. T. SIMONDS CONSTRUCTION COMPANY | IL-5550 | Illinois DOT | — |
| Highland, IN | EAGLE PAINTING & MAINTENANCE CO., INC. | IL-1599 | Illinois DOT | — |
| Sullivan, IL | EARL WALKER COMPANY, INC. | IL-6311 | Illinois DOT | — |
| Springfield, IL | EARTH WORX SOLUTIONS, LLC | IL-1592 | Illinois DOT | — |
| Lisle, IL | EARTHWERKS LAND IMPROVEMENT & DEVELOPMENT CORP. | IL-1602 | Illinois DOT | — |
| Effingham, IL | EFFINGHAM ASPHALT CO. | IL-230C | Illinois DOT | — |
| Elburn, IL | ELECTRIC CONDUIT CONSTRUCTION COMPANY | IL-1647 | Illinois DOT | — |
| Millstadt, IL | ELECTRICO, INC. | IL-1671 | Illinois DOT | — |
| Dekalb, IL | ELLIOTT & WOOD, INC. | IL-1689 | Illinois DOT | — |
| Columbia, MO | EMERY SAPP & SONS, INC. | IL-1641 | Illinois DOT | — |
| Dekalb, IL | ENCAP, INC. | IL-1674 | Illinois DOT | — |
| Ashley, IN | ENGINEERED SOILS, LLC | IL-701C | Illinois DOT | — |
| Markham, IL | ENVIRONMENTAL CLEANSING CORPORATION | IL-350C | Illinois DOT | — |
| Chicago, IL | ERA VALDIVIA CONTRACTORS, INC. | IL-1604 | Illinois DOT | — |
| Urbana, IL | EVERGREEN ROADWORKS, LLC | IL-0953 | Illinois DOT | — |
| Elgin, IL | EVERLAST BLACKTOP, INC. | IL-1651 | Illinois DOT | — |
| Frankfort, IL | EXCEL ELECTRIC, INC. | IL-395B | Illinois DOT | — |
| Benton, IL | F. W. ELECTRIC, INC. | IL-1720 | Illinois DOT | — |
| Chicago, IL | F.H. PASCHEN, S.N. NIELSEN & ASSOCIATES LLC | IL-4657 | Illinois DOT | — |
| Chicago Heights, IL | FENCE MASTERS, LLC | IL-1746 | Illinois DOT | — |
| Quincy, IL | FESSLER CONSTRUCTION | IL-099A | Illinois DOT | — |
| Neoga, IL | FETTERS CONTRACTING, LLC | IL-836C | Illinois DOT | — |
| Paris, IL | FEUTZ CONTRACTORS, INC. | IL-1770 | Illinois DOT | — |
| Lasalle, IL | FICEK ELECTRIC & COMMUNICATION SYSTEMS, INC. | IL-1766 | Illinois DOT | — |
| Freeport, IL | FISCHER EXCAVATING, INC. | IL-1799 | Illinois DOT | — |
| Chicago, IL | FOUNDATION MECHANICS, LLC | IL-1856 | Illinois DOT | — |
| Belleville, IL | FOURNIE CONTRACTING COMPANY, INC. | IL-1857 | Illinois DOT | — |
| Batavia, IL | FOX EXCAVATING, INC. | IL-566C | Illinois DOT | — |
| Watseka, IL | FREEHILL ASPHALT, INC. | IL-1882 | Illinois DOT | — |
| Springfield, IL | FREESEN, A DIVISION OF UNITED CONTRACTORS MIDWEST, INC. | IL-1908 | Illinois DOT | — |
| Warren, MI | FUTURE FENCE COMPANY | IL-1927 | Illinois DOT | — |
| Addison, IL | G & M CEMENT CONSTRUCTION, INC. | IL-1952 | Illinois DOT | — |
| Chicago, IL | G & V CONSTRUCTION CO., INC. | IL-1948 | Illinois DOT | — |
| Bellwood, IL | G A PAVING, LLC | IL-624C | Illinois DOT | — |
| Deer Creek, IL | G. A. RICH AND SONS, INC. | IL-578C | Illinois DOT | — |
| Rushville, IL | G. M. SIPES CONSTRUCTION, INC. | IL-5564 | Illinois DOT | — |
| Thornton, IL | GALLAGHER ASPHALT CORPORATION | IL-1950 | Illinois DOT | — |
| Chicago, IL | GARCES CONTRACTORS, LLC | IL-934C | Illinois DOT | — |
| Schaumburg, IL | GARY RABINE & SONS, INC. | IL-4946 | Illinois DOT | — |
| Highland, IL | GELLY EXCAVATING & CONSTRUCTION, INC. | IL-478C | Illinois DOT | — |
| Bettendorf, IA | GENERAL CONSTRUCTORS INC. OF THE QUAD CITIES | IL-2012 | Illinois DOT | — |
| Aurora, IL | GENEVA CONSTRUCTION COMPANY, LLC | IL-2030 | Illinois DOT | — |
| Princeton, IL | GENSINI EXCAVATING, INC. | IL-2024 | Illinois DOT | — |
| Fresno, CA | GEO-CELL SOLUTIONS, INC. | IL-827C | Illinois DOT | — |
| Bloomington, IL | GEORGE GILDNER, INC. | IL-916B | Illinois DOT | — |
| Westminster, CO | GEOSTABILIZATION INTERNATIONAL, LLC. | IL-934B | Illinois DOT | — |
| Addison, IL | GERARDI SEWER & WATER CO., INC. | IL-502A | Illinois DOT | — |
| Fenton, MO | GERSTNER ELECTRIC, INC. | IL-2037 | Illinois DOT | — |
| Crystal Lake, IL | GESKE AND SONS, INC. | IL-2044 | Illinois DOT | — |
| Modesto, IL | GIBBS CONSTRUCTION | IL-2055 | Illinois DOT | — |
| Spring Valley, IL | GILLAN CONSTRUCTION, LLC | IL-2074 | Illinois DOT | — |
| Belleville, IL | GLEESON ASPHALT, INC. | IL-2093 | Illinois DOT | — |
| Addison, IL | GLOBE CONSTRUCTION, INC. | IL-003A | Illinois DOT | — |
| Watsonville, CA | GRANITE CONSTRUCTION COMPANY | IL-2166 | Illinois DOT | — |
| Gilman, IL | GRAY'S MATERIAL SERVICE | IL-803C | Illinois DOT | — |
| Kankakee, IL | GROSSO CONSTRUCTION CO. | IL-2240 | Illinois DOT | — |
| Bethalto, IL | GRP MECHANICAL COMPANY, INC. | IL-776C | Illinois DOT | — |
| Ashley, IL | GUINZY CONSTRUCTION, INC. | IL-2262 | Illinois DOT | — |
| Galesburg, IL | GUNTHER CONSTRUCTION, A DIVISION OF UNITED CONTRACTORS MIDWEST, INC. | IL-2242 | Illinois DOT | — |
| Galesburg, IL | GUNTHER UNDERGROUND, A DIV OF UNITED CONTRACTORS MIDWEST | IL-525C | Illinois DOT | — |
| Glendale Heights, IL | H & H ELECTRIC CO. | IL-2550 | Illinois DOT | — |
| Pontiac, IL | H. J. EPPEL & CO., INC. | IL-1690 | Illinois DOT | — |
| Plano, IL | H. LINDEN & SONS SEWER AND WATER, INC. | IL-3445 | Illinois DOT | — |
| Okawville, IL | HAIER PLUMBING AND HEATING, INC. | IL-2273 | Illinois DOT | — |
| Belleville, IL | HANK'S EXCAVATING & LANDSCAPING, INC. | IL-2308 | Illinois DOT | — |
| Wheeling, IL | HARD ROCK CONCRETE CUTTERS, INC. | IL-710C | Illinois DOT | — |
| Springfield, IL | HAROLD O'SHEA BUILDERS, INC. | IL-899C | Illinois DOT | — |
| Calumet City, IL | HASSE CONSTRUCTION COMPANY, INC. | IL-2385 | Illinois DOT | — |
| Crown Point, IN | HAWK ENTERPRISES, INC. | IL-2411 | Illinois DOT | — |
| Washington Park, IL | HAYDEN WRECKING CORPORATION | IL-2430 | Illinois DOT | — |
| Granite City, IL | HAYES CONTRACTING, INC. | IL-2319 | Illinois DOT | — |
| Wheeling, IL | HECKER AND COMPANY, INC. | IL-2475 | Illinois DOT | — |
| Peoria, IL | HEIN CONSTRUCTION CO., INC. | IL-2480 | Illinois DOT | — |
| Freeport, IL | HELM ELECTRIC FACILITY SOLUTIONS, INC. D/B/A HELM ELECTRIC | IL-2490 | Illinois DOT | — |
| Fairview Heights, IL | HEMMER CONTRACTING, LLC | IL-2496 | Illinois DOT | — |
| Romeoville, IL | HERLIHY MID-CONTINENT COMPANY | IL-2520 | Illinois DOT | — |
| Goodfield, IL | HOERR CONSTRUCTION, INC. | IL-2635 | Illinois DOT | — |
| Trivoli, IL | HOERR'S BLACKTOP AND SEALCOATING | IL-963C | Illinois DOT | — |
| Lake Villa, IL | HOME TOWNE ELECTRIC, INC. | IL-2657 | Illinois DOT | — |
| Lockport, IL | HOMER TREE SERVICE, INC. | IL-2661 | Illinois DOT | — |
| Carleton, MI | HOMRICH WRECKING, INC. | IL-795C | Illinois DOT | — |
| Rushville, IL | HOOD CONSTRUCTION GROUP MIDWEST, LLC | IL-2670 | Illinois DOT | — |
| Canonsburg, PA | HOWARD CONCRETE PUMPING CO., INC. | IL-871B | Illinois DOT | — |
| Mattoon, IL | HOWELL PAVING, INC. | IL-2692 | Illinois DOT | — |
| Albion, IL | HSC PAVEMENT MAINTENANCE, INC. | IL-2708 | Illinois DOT | — |
| Waterloo, IL | HUEBNER CONCRETE CONTRACTING, INC. | IL-135B | Illinois DOT | — |
| Byron, IL | HUSKIE CONTRACTORS, LLC | IL-2744 | Illinois DOT | — |
| Waterloo, IL | HYATT EXCAVATING & PAVING, INC. | IL-832C | Illinois DOT | — |
| Elburn, IL | ICC GROUP, INC. | IL-2779 | Illinois DOT | — |
| St. Joseph, MO | IDEKER, INC. | IL-2769 | Illinois DOT | — |
| Elgin, IL | IHC CONSTRUCTION COMPANIES, LLC | IL-2816 | Illinois DOT | — |
| Urbana, IL | ILLIANA CONSTRUCTION CO. | IL-2770 | Illinois DOT | — |
| Benton, IL | ILLINI ASPHALT CORPORATION | IL-2776 | Illinois DOT | — |
| South Roxana, IL | ILLINI EXCAVATION & RECLAMATION, INC. | IL-2763 | Illinois DOT | — |
| East Peoria, IL | ILLINOIS CIVIL CONTRACTORS, INC. | IL-2824 | Illinois DOT | — |
| Jacksonville, IL | ILLINOIS ROAD CONTRACTORS, INC. | IL-2796 | Illinois DOT | — |
| Peru, IL | ILLINOIS VALLEY EXCAVATING, INC. | IL-2821 | Illinois DOT | — |
| Springfield, IL | ILLINOIS VALLEY PAVING, A DIVISION OF UNITED CONTRACTORS MIDWEST, INC. | IL-2825 | Illinois DOT | — |
| Villa Park, IL | IMPRESSIVE CONSTRUCTION, INC. | IL-292B | Illinois DOT | — |
| Brecksville, OH | INDEPENDENCE EXCAVATING, INC. | IL-882C | Illinois DOT | — |
| Chicago, IL | INDUSTRIAL FENCE, INC. | IL-2836 | Illinois DOT | — |
| Gary, IN | INDUSTRIAL STEEL CONSTRUCTION, INC. | IL-2845 | Illinois DOT | — |
| Orleans, IN | INLINER SOLUTIONS, LLC | IL-2953 | Illinois DOT | — |
| Chesterfield, MO | INSITUFORM TECHNOLOGIES USA, LLC | IL-2859 | Illinois DOT | — |
| Waukegan, IL | INTEGRATED LAKES MANAGEMENT, INC. | IL-0759 | Illinois DOT | — |
| Faribault, MN | INTERSTATE IMPROVEMENT, INC. | IL-2865 | Illinois DOT | — |
| Montpeliar, IA | INTERSTATE MAINTENANCE INCORPORATED | IL-2888 | Illinois DOT | — |
| Jacksonville, IL | IRC, INC. | IL-2812 | Illinois DOT | — |
| Watseka, IL | IROQUOIS PAVING CORPORATION | IL-2880 | Illinois DOT | — |
| Waverly, WV | IVS HYDRO, INC. | IL-917C | Illinois DOT | — |
| Crete, IL | J & J NEWELL CONCRETE CONTRACTORS, INC. | IL-4386 | Illinois DOT | — |
| Teutopolis, IL | J. B. ESKER AND SONS, INC. | IL-1710 | Illinois DOT | — |
| Carol Stream, IL | J. CONGDON SEWER SERVICE, INC. | IL-1207 | Illinois DOT | — |
| Edwardsville, IL | J. F. ELECTRIC, INCORPORATED | IL-2900 | Illinois DOT | — |
| Cicero, IL | J. NARDULLI CONCRETE, INC. | IL-4346 | Illinois DOT | — |
| Mchenry, IL | J. PEASE EXCAVATING, INC. | IL-927C | Illinois DOT | — |
| Mt. Pleasant, MI | J. RANCK ELECTRIC, INC. | IL-3011 | Illinois DOT | — |
| Joliet, IL | J. S. ALBERICO CONSTRUCTION CO., INC. | IL-0078 | Illinois DOT | — |
| Granville, IL | J. W. OSSOLA CO., INC. | IL-4580 | Illinois DOT | — |
| Peoria, IL | J.C. DILLON, INC. | IL-2948 | Illinois DOT | — |
| Livonia, MI | JAY DEE CONTRACTORS, INC. | IL-2933 | Illinois DOT | — |
| Eugene, OR | JENSEN DRILLING COMPANY | IL-2936 | Illinois DOT | — |
| Addison, IL | JG DEMO, INC. | IL-2897 | Illinois DOT | — |
| Peoria, IL | JIMAX LANDSCAPE, LLC | IL-2969 | Illinois DOT | — |
| Waukegan, IL | JOEL KENNEDY CONSTRUCTING CORP. | IL-3123 | Illinois DOT | — |
| Centralia, IL | JOHANNES CONSTRUCTION, INC. | IL-3033 | Illinois DOT | — |
| Westmont, IL | JOHN BURNS CONSTRUCTION COMPANY, LLC | IL-0733 | Illinois DOT | — |
| Chicago, IL | JOHN KENO AND COMPANY, INC. | IL-3134 | Illinois DOT | — |
| Addison, IL | JOHN NERI CONSTRUCTION COMPANY, INC. | IL-4375 | Illinois DOT | — |
| Mchenry, IL | JT UNDERGROUND, INC. | IL-959C | Illinois DOT | — |
| East Elm Hurst, NY | JUDLAU CONTRACTING, INC. | IL-3042 | Illinois DOT | — |
| Minonk, IL | JUSTCORE, INC. | IL-825C | Illinois DOT | — |
| Westmont, IL | K-FIVE CONSTRUCTION CORPORATION | IL-3069 | Illinois DOT | — |
| Johnston City, IL | K. D. CRAIN AND SONS, INC. | IL-1244 | Illinois DOT | — |
| Jacksonville, IL | K. E. VAS COMPANY | IL-6245 | Illinois DOT | — |
| Pontoon Beach, IL | KAMEX, INC. | IL-3064 | Illinois DOT | — |
| Kankakee, IL | KANKAKEE VALLEY CONSTRUCTION COMPANY, INC. | IL-3190 | Illinois DOT | — |
| Belleville, IL | KASKASKIA ENGINEERING GROUP, LLC DBA KEG BUILD | IL-3207 | Illinois DOT | — |
| St. Louis, MO | KCI CONSTRUCTION COMPANY | IL-3136 | Illinois DOT | — |
| East St. Louis, IL | KEELEY & SONS, INC. | IL-3085 | Illinois DOT | — |
| Owensville, IN | KEITH DIKE EXCAVATING, INC. | IL-937C | Illinois DOT | — |
| Elgin, IL | KELLENBERGER, INC. | IL-684C | Illinois DOT | — |
| Glen Carbon, IL | KELLER CONSTRUCTION, INC. | IL-3108 | Illinois DOT | — |
| Mt. Carmel, IL | KIEFFER BROS. CONSTRUCTION CO., INC. | IL-3145 | Illinois DOT | — |
| Omaha, NE | KIEWIT INFRASTRUCTURE CO. | IL-3208 | Illinois DOT | — |
| Steger, IL | KIM CONSTRUCTION COMPANY, INC. | IL-143A | Illinois DOT | — |
| Raymond, IL | KINNEY CONTRACTORS, INC. | IL-3163 | Illinois DOT | — |
| Canton, IL | KINSEL TRKG. & EXCVTG, LLC | IL-960C | Illinois DOT | — |
| Pana, IL | KLEIN EXCAVATING | IL-3172 | Illinois DOT | — |
| Goodfield, IL | KNAPP CONCRETE CONTRACTORS, INC | IL-3225 | Illinois DOT | — |
| Highland, IL | KORTE AND LUITJOHAN CONTRACTORS, INC. | IL-3234 | Illinois DOT | — |
| Franklin Park, IL | KOVILIC CONSTRUCTION COMPANY, INC. | IL-3243 | Illinois DOT | — |
| Plain, WI | KRAEMER NORTH AMERICA, LLC | IL-3251 | Illinois DOT | — |
| Trenton, IL | KRB EXCAVATING, INC. | IL-3258 | Illinois DOT | — |
| Peoria, IL | KRUMHOLZ BROTHERS LANDSCAPING, INC. | IL-3267 | Illinois DOT | — |
| Mchenry, IL | KUJO, INC. | IL-3288 | Illinois DOT | — |
| Mt Prospect, IL | L. J. KEEFE CO. | IL-3094 | Illinois DOT | — |
| Collinsville, IL | L. W. CONTRACTORS, INC. | IL-3311 | 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.