| Martam Construction Inc. | Commercial Filing | Active | |
| A Lamp Concrete Contractors Inc. | Commercial Filing | Active | |
| Whitesell & Martin Inc | Commercial Filing | Active | |
| Midwest Glass Tinters, Inc. | Commercial Filing | Active | |
| Entec Services Inc. | Commercial Filing | Active | |
| Ringland-Johnson Inc. | Commercial Filing | Active | |
| Alliance Contractors Inc. | Commercial Filing | Active | |
| Miller Engineering Company | Commercial Filing | Active | |
| Sunpeak Llc | Commercial Filing | Active | |
| Otto Baum Company Inc. | Commercial Filing | Active | |
| Pace Systems Inc | Commercial Filing | Active | |
| Skc Construction Inc. | Commercial Filing | Active | |
| Martam Construction Inc. | Commercial Filing | Active | |
| Accomplished Mechanical Industries Ltd | Commercial Filing | Active | |
| Weiland Steel Inc. | Commercial Filing | Active | |
| Troch Mcneil Paving Co. | Commercial Filing | Active | |
| Plote Construction Inc. | Commercial Filing | Active | |
| Superior Road Striping Inc. | Commercial Filing | Active | |
| Performance Pipelining Inc | Commercial Filing | Active | |
| International Decorators Inc. | Commercial Filing | Active | |
| Chicagoland Paving Contractors Inc. | Commercial Filing | Active | |
| Hargrave Builders Inc. | Commercial Filing | Active | |
| Midwest Material Supply Llc | Commercial Filing | Active | |
| Hargrave Builders Inc. | Commercial Filing | Active | |
| Grp Mechanical Company Inc. | Commercial Filing | Active | |
| Hargrave Builders Inc. | Commercial Filing | Active | |
| Hargrave Builders Inc. | Commercial Filing | Active | |
| Abbey Construction Co. Inc. | Commercial Filing | Active | |
| E.L. Pruitt Company | Commercial Filing | Active | |
| Petry Kuhne Company | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Landscapes By Gary Weiss. Inc | Commercial Filing | Active | |
| Davis-Houk Mechanical Inc | Commercial Filing | Active | |
| Libertyville Tile And Carpet Ltd | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Stark Excavating Inc. | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Stark Excavating Inc. | Commercial Filing | Active | |
| V3 Construction Group Ltd | Commercial Filing | Active | |
| Global Technical Systems Inc | Commercial Filing | Active | |
| Industrial Mechanical Contractors, Llc | Commercial Filing | Active | |
| Alarm Detection Systems Inc. | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Petry Kuhne Company | Commercial Filing | Active | |
| Global Technical Systems Inc | Commercial Filing | Active | |
| Anderson Electric Inc. | Commercial Filing | Active | |
| Davis-Houk Mechanical Inc | Commercial Filing | Active | |
| Petry Kuhne Company | Commercial Filing | Active | |
| Schroeder Asphalt Services Inc. | Commercial Filing | Active | |
| Monarch Construction Co | Commercial Filing | Active | |
| Nafisco, Inc. | Commercial Filing | Active | |
| Trine Construction Corp. | Commercial Filing | Active | |
| The George Sollitt Construction Company | Commercial Filing | Active | |
| Centennial Contractors Inc. | Commercial Filing | Active | |
| E. T. Simonds Construction Company | Commercial Filing | Active | |
| Alarm Detection Systems Inc. | Commercial Filing | Active | |
| Centennial Contractors Inc. | Commercial Filing | Active | |
| Industrial Fence Inc | Commercial Filing | Active | |
| International Decorators Inc. | Commercial Filing | Active | |
| Metromex Contractors Inc | Commercial Filing | Active | |
| All Weather Courts, Inc | Commercial Filing | Active | |
| Chicago Heights Construction Company | Commercial Filing | Active | |
| Synagro Central Llc | Commercial Filing | Active | |
| Lindahl Brothers Inc. | Commercial Filing | Active | |
| Hoosierland Excavating Llc | Commercial Filing | Active | |
| New Energy Structures Company | Commercial Filing | Active | |
| New Energy Structures Company | Commercial Filing | Active | |
| Faith Technologies Inc | Commercial Filing | Active | |
| Geneva Construction Company | Commercial Filing | Active | |
| Cooling Land Concepts Llc | Commercial Filing | Active | |
| Geocon Professional Services Llc | Commercial Filing | Active | |
| Kelso-Burnett Co. | Commercial Filing | Active | |
| Knobelsdorff Electric Inc | Commercial Filing | Active | |
| Knobelsdorff Electric Inc | Commercial Filing | Active | |
| Weatherproofing Technologies Inc. | Commercial Filing | Active | |
| Schroeder & Schroeder. Inc. | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| Entec Services Inc. | Commercial Filing | Active | |
| Alarm Detection Systems Inc. | Commercial Filing | Active | |
| Edelman Llc | Commercial Filing | Active | |
| Snc Construction Inc. | Commercial Filing | Active | |
| Duce Construction Company | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Snc Construction Inc. | Commercial Filing | Active | |
| Snc Construction Inc. | Commercial Filing | Active | |
| Cross Construction Inc | Commercial Filing | Active | |
| Otto Baum Company Inc. | Commercial Filing | Active | |
| Anderson Electric Inc. | Commercial Filing | Active | |
| Lanz Heating & Cooling Inc. | Commercial Filing | Active | |
| Sk Service Corp | Commercial Filing | Active | |
| Sk Service Corp | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Cross Construction Inc | Commercial Filing | Active | |
| Boller Construction Co Inc | Commercial Filing | Active | |
| Lorig Construction Company | Commercial Filing | Active | |
| Bolder Contractors Llc | Commercial Filing | Active | |
| Able Masonry Development Co. | Commercial Filing | Active | |
| Ac Pavement Striping Co. | Commercial Filing | Active | |
| Landmark Contractors Inc. | Commercial Filing | Active | |
| Schroeder Asphalt Services Inc. | Commercial Filing | Active | |
| Hargrave Builders Inc | Commercial Filing | Active | |
| Landmark Contractors Inc. | Commercial Filing | Active | |
| Galaxy Underground Inc | Commercial Filing | Active | |
| A Horn Inc | Commercial Filing | Active | |
| Builders Concrete Services Llc | Commercial Filing | Active | |
| M&J Underground Inc. | Commercial Filing | Active | |
| A Lamp Concrete Contractors Inc. | Commercial Filing | Active | |
| Kloepfer Construction Inc. | Commercial Filing | Active | |
| Boller Construction Co Inc | Commercial Filing | Active | |
| Artlow Systems, Inc | Commercial Filing | Active | |
| Oosterbaan & Sons Co. | Commercial Filing | Active | |
| Geocon Professional Services Llc | Commercial Filing | Active | |
| M&J Underground Inc. | Commercial Filing | Active | |
| Davis-Houk Mechanical Inc | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Otto Baum Company Inc. | Commercial Filing | Active | |
| Abitua Sewer Water & Plumbing Inc. | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| White Construction Llc | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Davis-Houk Mechanical Inc | Commercial Filing | Active | |
| 93Energy Llc | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Knobelsdorff Electric Inc | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Shores Builders Inc | Commercial Filing | Active | |
| Bruno'S Tuckpointing, Inc. | Commercial Filing | Active | |
| Joiner Sheet Metal & Roofing Inc | Commercial Filing | Active | |
| Pals Electric Inc. | Commercial Filing | Active | |
| Grunloh Construction Inc. | Commercial Filing | Active | |
| Cummins Inc. | Commercial Filing | Active | |
| America'S Parking Remarking Llc | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Dms Contracting Inc | Commercial Filing | Active | |
| Right Way Traffic Control. Inc. | Commercial Filing | Active | |
| Entec Services Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Impact Wind Llc | Commercial Filing | Active | |
| Bennett & Brosseau Roofing Inc | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |
| Commercial Electric Inc. | Commercial Filing | Active | |