 Amrize Cement INC. | Chicago | — | ● ACTIVE |
 United States Gypsum Company | Chicago | — | ● ACTIVE |
| EGEngineered Glass Products LLC | Chicago | — | ◐ LIKELY ACTIVE |
| GMGlobal Material Technologies INC | Chicago | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC | Chicago | — | ◇ UNVERIFIED |
| OCOzinga Chicago Rmc INC | Chicago | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Company | Chicago | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Chinatown | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1005 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1033 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Inc-yard 1032 | Chicago | — | ◇ UNVERIFIED |
 American Wilbert Vault CORP | Chicago | — | ◇ UNVERIFIED |
| AIAwmco INC | Chicago | — | ◇ UNVERIFIED |
| AAztec | Chicago | — | ◇ UNVERIFIED |
| CMCowhey Materials and Fuel | Chicago | — | ◇ UNVERIFIED |
| EGEagle Grinding Wheel CORP | Chicago | — | ◇ UNVERIFIED |
| EBElston Block Plant | Chicago | — | ◇ UNVERIFIED |
| GIGtc International | Chicago | — | ◇ UNVERIFIED |
| HMHeckett Multiserv-plant 45 | Chicago | — | ◇ UNVERIFIED |
| HFHenry Frerk Sons INC | Chicago | — | ◇ UNVERIFIED |
| OMOremus Material LLC | Chicago | — | ◇ UNVERIFIED |
| OROzinga Ready Mix - 103rd St Plant | Chicago | — | ◇ UNVERIFIED |
| PPaschen-newberg-foster | Chicago | — | ◇ UNVERIFIED |
| PMPerformance Minerals CORP | Chicago | — | ◇ UNVERIFIED |
| PMPrairie Material Sales - Plant 2 | Chicago | — | ◇ UNVERIFIED |
| SSSheridan Sand & Gravel | Chicago | — | ◇ UNVERIFIED |
| SCSouth Chicago Property Development | Chicago | — | ◇ UNVERIFIED |
| SMStrategic Materials INC | Chicago | — | ◇ UNVERIFIED |
| SMStrategic Materials INC | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC Yard 1007 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P118 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P119 | Chicago | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | — | ◇ UNVERIFIED |
| 1O100 - Ozinga Rmc, Chicago Division | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| 1N120 Northside Yard | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| 16130 - 64th Street Yard | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| LSLumber St. Plant 110 | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| GGGrabinski Group INC | Chicago | — | ◐ LIKELY ACTIVE |
| ASAbitua Sewer Water & Plumbing INC | Chicago | — | ◇ UNVERIFIED |
| BCBaja Contractors INC | Chicago | — | ◇ UNVERIFIED |
| CDChicago Dept of Transportation | Chicago | — | ◇ UNVERIFIED |
| CFChicago Fire Brick CO | Chicago | — | ◇ UNVERIFIED |
| EUEuroptec USA LLC | Chicago | — | ◇ UNVERIFIED |
| GBGrandioso Brick & Stone | Chicago | — | ◇ UNVERIFIED |
| ITInnovative Technology & Materials INC | Chicago | — | ◇ UNVERIFIED |
| JCJames Cape & Sons-illinois | Chicago | — | ◇ UNVERIFIED |
| MAMarvel Abrasive Products, LLC | Chicago | — | ◇ UNVERIFIED |
| NENew England Cement CORP INC | Chicago | — | ◇ UNVERIFIED |
| NLNirvana9 LLC | Chicago | — | ◇ UNVERIFIED |
| OCOzinga Chicago Rmc INC | Chicago | — | ◇ UNVERIFIED |
