Contractor — page 2 of 2
574 companies, type “Contractor”.
1 · 2
| Place | Company | Vendor ID | Role | Since |
|---|---|---|---|---|
| Arlington Heights, IL | Kroeschell Engineering Co., Inc. | 35603 | Contractor | — |
| Montgomery, IL | KWCC Inc. | 40894 | Contractor | — |
| St Elmo, IL | Kyle Austin dba K & C Excavating LLC | 40841 | Contractor | — |
| Marion, IL | L & K Fire Protection, Inc. | 25701 | Contractor | — |
| Loves Park, IL | L&L Builders, Inc. | 29336 | Contractor | — |
| Glenview, IL | L. Marshall, Inc. | 116 | Contractor | — |
| Crystal Lake, IL | L.B. Hall Enterprises, Inc. | 32975 | Contractor | — |
| Addieville, IL | Lake Contracting, Inc. | 18372 | Contractor | — |
| Woodridge, IL | Lakes & Rivers Contracting, Inc. | 22552 | Contractor | — |
| Collinsville, IL | Lakeside Roofing Company | 23277 | Contractor | — |
| Rock Island, IL | Langman Construction, Inc. | 13375 | Contractor | — |
| Peoria, IL | Laser Electric, Inc. | 35594 | Contractor | — |
| Macomb, IL | Laverdiere Construction, Inc. | 17564 | Contractor | — |
| Aurora, IL | Layne Christensen Company | 25642 | Contractor | — |
| Fenton, MO | Layne Christensen Company | 25643 | Contractor | — |
| Granite City, IL | Limbaugh Construction Co. Inc. | 16341 | Contractor | — |
| Bensenville, IL | Lindahl Brothers, Inc. | 936 | Contractor | — |
| Joliet, IL | Lindblad Construction Company of Joliet, Inc. | 18558 | Contractor | — |
| Orland Park, IL | Linear Electric, Inc. | 18496 | Contractor | — |
| Montgomery, IL | Lite Construction, Inc. | 22243 | Contractor | — |
| Breese, IL | Litteken Construction Company, LLC | 30401 | Contractor | — |
| Marion, IL | Litton Enterprises, Inc. | 3667 | Contractor | — |
| Jerseyville, IL | Loellke Plumbing, LLC | 30469 | Contractor | — |
| Freeport, IL | Loescher Heating & Air Conditioning Co. | 23051 | Contractor | — |
| Robinson, IL | Lytle Electric Company | 4192 | Contractor | — |
| Peoria, IL | M & O Environmental Company | 19963 | Contractor | — |
| Mokena, IL | M & O Environmental Company | 19301 | Contractor | — |
| Mokena, IL | M & O Insulation Midwest LLC | 41082 | Contractor | — |
| Peoria, IL | M & O Insulation Midwest LLC | 41083 | Contractor | — |
| Monee, IL | M&J Underground Inc. | 34692 | Contractor | — |
| Itasca, IL | M. A. Mortenson Company | 1334 | Contractor | — |
| Quincy, IL | Mac's, Limited | 6378 | Contractor | — |
| Ingleside, IL | Maneval Construction Company, Inc. | 20288 | Contractor | — |
| Skokie, IL | Maron Electric Company | 414 | Contractor | — |
| Oregon, IL | Martin & Company Excavating | 22961 | Contractor | — |
| Brownstown, IL | Mason's Masonry Restoration, Inc. | 26223 | Contractor | — |
| Countryside, IL | Matrix Holdings LLC | 35189 | Contractor | — |
| Carterville, IL | May Excavating Inc. | 40620 | Contractor | — |
| Chicago, IL | Mazarini Inc. | 40581 | Contractor | — |
| Red Bud, IL | MC Electric, Inc. | 29553 | Contractor | — |
| Bridgeview, IL | McCauley Mechanical Construction, Inc. | 6106 | Contractor | — |
| Rockford, IL | McDermaid Roofing and Insulating Co. | 6040 | Contractor | — |
| Ohio, IL | McDonald Trucking & Paving, Inc. | 28144 | Contractor | — |
| Schaumburg, IL | McWilliams Electric Co. Inc. | 725 | Contractor | — |
| Willowbrook, IL | Meade Industries Inc. | 36707 | Contractor | — |
| Galesburg, IL | Mechanical Service of Galesburg, Inc. | 4596 | Contractor | — |
| Westmont, IL | Mechanical, Inc. | 29938 | Contractor | — |
| Mossville, IL | Mechanical, Inc. | 34417 | Contractor | — |
| Freeport, IL | Mechanical, Inc. | 18809 | Contractor | — |
| Muskego, WI | Mechanical, Inc. | 30592 | Contractor | — |
| Effingham, IL | Merz Heating & Air Conditioning, Inc. | 29605 | Contractor | — |
| Highland, IL | Mettler Development, LLC | 34969 | Contractor | — |
| Woodstock, IL | MG Mechanical Contracting, Incorporated | 23226 | Contractor | — |
| Woodstock, IL | MG Mechanical Contracting, LLC | 40989 | Contractor | — |
| Brownsville, WI | Michels Construction, Inc. | 35839 | Contractor | — |
| Tinley Park, IL | Michuda Construction Inc. | 18183 | Contractor | — |
| Tinley Park, IL | Michuda-Cruz Joint Venture LLC | 40325 | Contractor | — |
| Urbana, IL | Mid Illinois Concrete & Excavation, Inc. | 33135 | Contractor | — |
| Bloomington, IL | Mid Illinois Mechanical, Inc. | 20126 | Contractor | — |
| Freeburg, IL | Middendorf & Reuss Construction, Inc. | 31071 | Contractor | — |
| Orland Park, IL | Midway Contracting Group, LLC | 31025 | Contractor | — |
| Girard, IL | Midwest Construction and Consulting Services, LLC | 40477 | Contractor | — |
| St Louis, MO | Midwest Elevator Co., Inc. | 40767 | Contractor | — |
| Griffith, IN | Midwest Pressure Washing and Restoration, Inc. | 31016 | Contractor | — |
| Evansville, IN | Midwest Roofing & Insulation Co., Inc. | 19180 | Contractor | — |
| Chicago, IL | MIKK-DLP Construction Corp. | 40983 | Contractor | — |
| Rockford, IL | Miller Engineering Co. | 1189 | Contractor | — |
| Silvis, IL | Miller Trucking & Excavating Company | 31670 | Contractor | — |
| Wood River, IL | Morrissey Contracting Company, Inc. | 16779 | Contractor | — |
| Freeport, IL | Morse Electric Incorporated | 2038 | Contractor | — |
| St Louis, MO | Murphy Company Mechanical Contractors and Engineers | 30493 | Contractor | — |
| Chicago, IL | MZI Group, Inc. | 31499 | Contractor | — |
| Loves Park, IL | N-TRAK Group, L.L.C. | 31798 | Contractor | — |
| Sullivan, IL | Nadler Electrical Contracting, Inc. | 21706 | Contractor | — |
| Charleston, IL | Ne-Co Asphalt Co. Inc. | 4196 | Contractor | — |
| Rockford, IL | Nelson Fire Protection Co. | 25956 | Contractor | — |
| Frankfort, IL | NES, Inc. | 29887 | Contractor | — |
| Merrillan, WI | Neumann Company Contractors Inc | 476 | Contractor | — |
| Stickney, IL | New Age Electric, LLC | 35921 | Contractor | — |
| Glen Ellyn, IL | Next Gen Services Ltd | 40332 | Contractor | — |
| Chicago, IL | Nickelson Industrial Service, Inc. | 31790 | Contractor | — |
| Rockford, IL | Northern Illinois Service Co. | 20667 | Contractor | — |
| Mt Morris, IL | O'Brien Civil Works Inc. | 34167 | Contractor | — |
| Elmhurst, IL | Oak Brook Mechanical Services, Inc. | 15331 | Contractor | — |
| Mossville, IL | Oberlander Electric Co. | 4897 | Contractor | — |
| Elgin, IL | Omega III LLC | 34347 | Contractor | — |
| Joliet, IL | Omega Plumbing, Inc. | 33888 | Contractor | — |
| Pontiac, IL | Opperman Construction Co. | 19072 | Contractor | — |
| Urbana, IL | Otto Baum Company, Inc. | 33330 | Contractor | — |
| Morton, IL | Otto Baum Company, Inc. | 26590 | Contractor | — |
| Crest Hill, IL | Otto Baum Company, Inc. | 26591 | Contractor | — |
| St Charles, IL | P & J Masonry Restoration Professionals Inc. | 40466 | Contractor | — |
| Springfield, IL | P. H. Broughton & Sons, Inc. | 4670 | Contractor | — |
| Joliet, IL | P. T. Ferro Construction Co. | 2500 | Contractor | — |
| Peoria, IL | P.J. Hoerr, Inc. | 30462 | Contractor | — |
| Chicago, IL | Pacific Construction Services, LLC | 35682 | Contractor | — |
| Elk Grove Village, IL | Pagoda Electric & Construction Inc | 29550 | Contractor | — |
| Teutopolis, IL | Pals Electric, Inc. | 29837 | Contractor | — |
| Chicago, IL | Pan-Oceanic Engineering Co., Inc. | 28814 | Contractor | — |
| Chicago, IL | Parkway Elevators, Inc. | 30031 | Contractor | — |
| Arlington Heights, IL | Path Construction Company, Inc. | 30399 | Contractor | — |
| Chicago, IL | Paul Borg Construction Company | 29483 | Contractor | — |
| Noblesville, IN | Pauly Jail Building Company Inc | 23517 | Contractor | — |
| Palatine, IL | PCS Power & Communications Solutions, Inc. | 33329 | Contractor | — |
| Palatine, IL | Penn Services LLC | 31384 | Contractor | — |
| Peoria, IL | Peoria Metro Construction, Inc. | 17683 | Contractor | — |
| Springfield, IL | Petersburg Plumbing and Excavating, LLC | 31732 | Contractor | — |
| Edwardsville, IL | PFUND Construction Company, Inc. | 40565 | Contractor | — |
| Chicago, IL | Phoenix CCI LLC | 40322 | Contractor | — |
| Kankakee, IL | Piggush Simoneau, Inc. | 20153 | Contractor | — |
| Peoria, IL | PIPCO, LLC | 41123 | Contractor | — |
| Highland, IL | Plocher Construction Company, Inc | 21490 | Contractor | — |
| Hoffman Estates, IL | Plote Construction Inc | 4149 | Contractor | — |
| Breese, IL | Poettker Construction Company | 1594 | Contractor | — |
| Pekin, IL | Porter Electric LLC | 34220 | Contractor | — |
| Urbana, IL | Potter Electric Service, Inc. | 511 | Contractor | — |
| Chicago, IL | Power Construction Company, LLC | 30439 | Contractor | — |
| Chicago, IL | Powers and Sons Construction Company, Incorporated | 32348 | Contractor | — |
| Gary, IN | Powers and Sons Construction Company, Incorporated | 3923 | Contractor | — |
| Sadorus, IL | Prairie Restorations, Inc. | 29386 | Contractor | — |
| Bloomingdale, IL | PREFERRED ELECTRIC CONSTRUCTION CO | 40461 | Contractor | — |
| St Louis, MO | Premier Demolition Inc | 27623 | Contractor | — |
| Addison, IL | Premier Mechanical, Incorporated | 28269 | Contractor | — |
| Chicago, IL | Prestige Veteran Builders, Inc. | 40505 | Contractor | — |
| Indianapolis, IN | PSG Energy Group LLC | 35904 | Contractor | — |
| Wheeling, IL | Public Electric Construction Co. | 1278 | Contractor | — |
| Rolling Meadows, IL | Pullman SST, Inc. | 41086 | Contractor | — |
| Fairview Heights, IL | Pyramid Electrical Contractors, Inc. | 21730 | Contractor | — |
| Oak Forest, IL | Qu-Bar Mechanical, LLC | 33546 | Contractor | — |
| Crete, IL | Quality Controls, Inc. | 25988 | Contractor | — |
| Harvey, IL | Quality Mechanical, Inc. | 33512 | Contractor | — |
| Chicago, IL | Quantum Crossings LLC | 29989 | Contractor | — |
| Fairview, IL | Quick Electrical Contractors, Inc. | 30130 | Contractor | — |
| Montgomery, IL | R. J. O'Neil. Inc. | 34049 | Contractor | — |
| Glenview, IL | R. J. Olmen Company | 15136 | Contractor | — |
| Springfield, IL | R. L. Vollintine Construction, Inc. | 2942 | Contractor | — |
| Morris, IL | R.B. Crowther, Co. | 27670 | Contractor | — |
| Springfield, IL | R.D. Lawrence Construction Company, Ltd. | 2923 | Contractor | — |
| Davenport, IA | Ragan Mechanical, Inc. | 21236 | Contractor | — |
| St Louis, MO | Raineri Construction, LLC | 33103 | Contractor | — |
| East Alton, IL | Rapid Fire Safety & Security LLC | 41202 | Contractor | — |
| St Louis, MO | Rapid Fire Safety & Security LLC | 41201 | Contractor | — |
| Decatur, IL | Rathje Enterprises, Inc. | 16749 | Contractor | — |
| East Alton, IL | RCS Construction, Inc. | 3446 | Contractor | — |
| Springfield, IL | RD Lawrence Construction Corporation of Springfield | 41081 | Contractor | — |
| Oak Forest, IL | RD'S HVAC Inc. | 40255 | Contractor | — |
| Chester, IL | Red Dot Construction and Equipment Rentals, Inc. | 16631 | Contractor | — |
| Chicago, IL | Reed Construction, LLC | 40687 | Contractor | — |
| Chicago, IL | Reed Patriot 8 LLC | 40688 | Contractor | — |
| Quincy, IL | Rees Construction Company of Quincy | 7151 | Contractor | — |
| Champaign, IL | Remco Electrical Corporation | 1422 | Contractor | — |
| Galena, IL | Renaissance Restoration, Inc. | 5553 | Contractor | — |
| Indianapolis, IN | Renascent Inc. | 35871 | Contractor | — |
| Markham, IL | Reyes Group, Ltd. | 30177 | Contractor | — |
| Springfield, IL | Reyhan Bros., Inc. | 19271 | Contractor | — |
| Chicago, IL | Richard Group LLC | 33958 | Contractor | — |
| Quincy, IL | Richards Electric Motor Co. | 2785 | Contractor | — |
| Cherry Valley, IL | Ringland-Johnson, Inc. | 11860 | Contractor | — |
| Alsip, IL | RJL Group, Inc. | 35289 | Contractor | — |
| Okawville, IL | RMK Contracting & Plumbing Services, Inc. | 40515 | Contractor | — |
| Tinley Park, IL | Roberts Environmental Control Corp | 30826 | Contractor | — |
| Colona, IL | Rock River Electric Inc | 30687 | Contractor | — |
| Janesville, WI | Rock Road Companies, Inc. | 21957 | Contractor | — |
| Springfield, IL | Ron Furman's Commercial Sweeping and Paving, Inc | 34991 | Contractor | — |
| Murphysboro, IL | Ron Gobin Enterprises, Inc. | 35933 | Contractor | — |
| Springfield, IL | Roofing Associates LLC | 34323 | Contractor | — |
| Beckemeyer, IL | Rooter's American Maintenance, Inc. | 30823 | Contractor | — |
| Bradley, IL | Ruben E. Smith Const. and R & R, Inc. | 12975 | Contractor | — |
| Kankakee, IL | Ruder Electric, Inc. | 27537 | Contractor | — |
| Rockford, IL | Ruiz Construction Systems, Inc. | 33672 | Contractor | — |
| Riverton, IL | S & W Contractors Of Illinois, Inc. | 35383 | Contractor | — |
| Orland Park, IL | S Mechanical, LLC | 35237 | Contractor | — |
| Edwardsville, IL | S. M. Wilson & Co. | 40834 | Contractor | — |
| St Louis, MO | S. M. Wilson & Co. | 675 | Contractor | — |
| Pontoon Beach, IL | S. Shafer Excavating Incorporated | 35698 | Contractor | — |
| Edwardsville, IL | S.M. Wilson & Co | 40821 | Contractor | — |
| Hammond, IN | Safe Environmental Corp | 32911 | Contractor | — |
| Murphysboro, IL | Samron Midwest Contracting, Inc. | 30802 | Contractor | — |
| Teutopolis, IL | Sandschafer Electric, Inc. | 20078 | Contractor | — |
| Rockford, IL | Scandroli Construction Company | 1976 | Contractor | — |
| Kankakee, IL | Scanlon Excavating & Concrete, Inc. | 35588 | Contractor | — |
| Wheeling, IL | Schaefges Brothers Inc | 5447 | Contractor | — |
| Rockford, IL | Schmeling Construction Co. | 4561 | Contractor | — |
| Cary, IL | Schnabel Foundation Company | 6223 | Contractor | — |
| Marengo, IL | Schroeder Asphalt Service Inc | 31872 | Contractor | — |
| Countryside, IL | Schwartz Construction Group, Inc. | 33301 | Contractor | — |
| Chicago, IL | SCM Plumbing Company | 35661 | Contractor | — |
| Prairie Du Rocher, IL | SD Resources, Inc. | 40889 | Contractor | — |
| Steger, IL | Seal Tight Exteriors Inc. | 33189 | Contractor | — |
| Salem, IL | Security Alarm Corporation | 14590 | Contractor | — |
| Indianapolis, IN | Security Automation Systems, Inc. | 33501 | Contractor | — |
| Sugar Grove, IL | Semper Fi Land Inc. | 34193 | Contractor | — |
| Millstadt, IL | Shay Roofing, Inc. | 23197 | Contractor | — |
| Centralia, IL | Shores Builders, Inc. | 22003 | Contractor | — |
| Bellwood, IL | Simpson Construction Co. | 4247 | Contractor | — |
| Lasalle, IL | SKI Sealcoating & Maintenance, Inc. | 41067 | Contractor | — |
| Geneva, IL | Slaten Construction, Inc. | 40827 | Contractor | — |
| Marion, IL | Smith Hafeli, Inc. | 34665 | Contractor | — |
| Carbondale, IL | Southern Illinois Piping Contractors, LLC | 19964 | Contractor | — |
| Quincy, IL | Sparrow Plumbing & Heating Inc. | 2919 | Contractor | — |
| Rockford, IL | Special Power, Inc. | 2263 | Contractor | — |
| Chesterfield, IL | Spectrum Environmental, LLC | 40355 | Contractor | — |
| Peoria, IL | Sprinkmann Insulation, Inc. | 29322 | Contractor | — |
| Elk Grove Village, IL | SRC Electric LLC | 41009 | Contractor | — |
| Peoria, IL | Standard Heating & Cooling, Inc. | 22015 | Contractor | — |
| Bloomington, IL | Stark Excavating, Inc. | 13892 | Contractor | — |
| Rockford, IL | Stenstrom Construction, Inc. | 34897 | Contractor | — |
| Sterling, IL | Sterling Commercial Roofing, a Tecta America Co. LLC | 40758 | Contractor | — |
| Joliet, IL | Stip Bros. Excavating, Inc. | 30705 | Contractor | — |
| Mackinaw, IL | Stoops Plumbing Inc. | 31960 | Contractor | — |
| Chicago, IL | Structures Construction LLC | 34339 | Contractor | — |
| Chicago, IL | StruxC-MC LLC | 34895 | Contractor | — |
| Waukegan, IL | Stuckey Construction Company, Inc. | 22972 | Contractor | — |
| Alton, IL | Stutz Excavating, Inc. | 13982 | Contractor | — |
| Monee, IL | Sunset Sewer & Water Inc. | 41124 | Contractor | — |
| Forsyth, IL | Superior Fire Protection Systems Inc. | 4940 | Contractor | — |
| Granite City, IL | Supplied Industrial Solutions Inc | 31227 | Contractor | — |
| Chicago, IL | Synergy Construction Group LLC | 41139 | Contractor | — |
| Chicago, IL | T & J Plumbing, Inc. | 26907 | Contractor | — |
| St Louis, MO | Tarlton Corporation | 611 | Contractor | — |
| Chicago, IL | Techo Corporation | 40580 | Contractor | — |
| Lemont, IL | Tecnica Environmental Services, Inc. | 22042 | Contractor | — |
| Joliet, IL | Tecorp, Inc. | 34471 | Contractor | — |
| Chicago, IL | The Aberdeen Group, Inc. | 35302 | Contractor | — |
| Chicago, IL | The Bowa Group, Inc. | 33104 | Contractor | — |
| Wood Dale, IL | The George Sollitt Construction Company | 709 | Contractor | — |
| Mascoutah, IL | The Kilian Corporation | 719 | Contractor | — |
| St Louis, MO | Thornburgh Abatement, Inc. | 28210 | Contractor | — |
| Alsip, IL | Tori Construction, LLC | 30583 | Contractor | — |
| Plainfield, IL | Torres Electrical Contractors LLC. | 40690 | Contractor | — |
| Davenport, IA | Tri-City Electric Company Of Iowa | 22289 | Contractor | — |
| Aurora, IL | Tri-State Enterprises, Inc. | 17596 | Contractor | — |
| Willowbrook, IL | Troop Contracting, Inc. | 32321 | Contractor | — |
| Huntley, IL | Tropical Environmental, Inc. | 32368 | Contractor | — |
| Sylmar, CA | Tutor Perini Corporation | 41198 | Contractor | — |
| Urbana, IL | Twin Lakes Fire Service, LLC | 33517 | Contractor | — |
| Chicago, IL | Tyler Lane Construction, Inc. | 29875 | Contractor | — |
| Chicago, IL | Ujamaa Construction, Inc. | 30122 | Contractor | — |
| Galesburg, IL | United Contractors Midwest, Inc. | 32214 | Contractor | — |
| Galesburg, IL | United Contractors Midwest, Inc. | 33547 | Contractor | — |
| Bloomington, IL | United Contractors Midwest, Inc. | 31138 | Contractor | — |
| Springfield, IL | United Contractors Midwest, Inc. | 31135 | Contractor | — |
| Springfield, IL | United Contractors Midwest, Inc. | 31136 | Contractor | — |
| Springfield, IL | United Contractors Midwest, Inc. | 33548 | Contractor | — |
| Tremont, IL | United Contractors Midwest, Inc. | 31137 | Contractor | — |
| Champaign, IL | United Mechanical Group, Inc. | 34656 | Contractor | — |
| Lake Forest, IL | United States Alliance Fire Protection, Inc. | 18283 | Contractor | — |
| Oswego, IL | Utility Dynamics Corporation | 14597 | Contractor | — |
| Bolingbrook, IL | Valor Technologies, Inc. | 26782 | Contractor | — |
| Rogers, MN | Veit & Company, Inc. | 35684 | Contractor | — |
| Champaign, IL | VEYA Inc. | 31064 | Contractor | — |
| Streator, IL | Vissering Construction Company | 20353 | Contractor | — |
| Big Rock, IL | Volt Electric, Inc. | 34170 | Contractor | — |
| Glendale Heights, IL | Voris Mechanical, Inc. | 15831 | Contractor | — |
| Murphysboro, IL | W. J. Burke Electric Company | 17896 | Contractor | — |
| Lebanon, IL | W. James Taylor, Inc. | 641 | Contractor | — |
| Hamilton, IL | W. L. Miller Company | 19262 | Contractor | — |
| Chicago, IL | Walsh Construction Company ll, LLC | 31769 | Contractor | — |
| Edwards, IL | Warner Mechanical. LLC | 34375 | Contractor | — |
| Elgin, IL | Weatherguard Roofing Company | 27640 | Contractor | — |
| Bloomington, IL | Weber Electric, Inc. | 18124 | Contractor | — |
| Glendale Heights, IL | Western Waterproofing Company, Inc. | 32163 | Contractor | — |
| Peoria, IL | Western Waterproofing Company, Inc. | 32164 | Contractor | — |
| Springfield, IL | Western Waterproofing Company, Inc. | 746 | Contractor | — |
| South Holland, IL | Whited Brothers, Inc. | 27539 | Contractor | — |
| Bloomingdale, IL | William T. Connelly Inc. | 30118 | Contractor | — |
| Peoria Heights, IL | Williams Brothers Construction Inc. | 4119 | Contractor | — |
| Freeport, IL | Winter Construction Inc. | 25566 | Contractor | — |
| Morton, IL | Wm. Aupperle & Sons, Inc. | 6204 | Contractor | — |
| Bloomington, IL | Wm. Masters, Inc. | 12885 | Contractor | — |
| Peotone, IL | Wolf Electric Inc | 29505 | Contractor | — |
| Saint Peters, MO | Wright Construction Services, Inc | 40782 | Contractor | — |
| Terre Haute, IN | Yargus Enterprises LLC | 40024 | Contractor | — |
| Goodfield, IL | Zeller Electric, Inc. | 14438 | Contractor | — |
Alphabetical order — this site ranks no one. Companies in the Illinois Capital Development Board file of October 2, 2026. Individuals are not on this site. How to read this.