 Gallagher Materials CORP. | Thornton | 1–19 | ● ACTIVE |
 Daubert Chemical Company, INC. | Chicago | — | ● ACTIVE |
| MAMat Asphalt LLC | Chicago | 1–19 | ● ACTIVE |
 Tower Metalworking Fluids CO. | Chicago | 20–99 | ● ACTIVE |
 Bioblend Renewable Resources, LLC | Park Ridge | — | ● ACTIVE |
 Keller-heartt Company, INC. | Chicago | — | ● ACTIVE |
 Rdl Marketing INC. | Chicago | — | ● ACTIVE |
 Triarii Advisors, LLC | Chicago | — | ● ACTIVE |
| FLFuchs Lubricants CO | Harvey | 100–499 | ◐ LIKELY ACTIVE |
| GAGcp Applied Technologies INC | Bedford Park | 20–99 | ◐ LIKELY ACTIVE |
| GEGold Eagle CO | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| KMKarnak Midwest LLC | Broadview | 20–99 | ◐ LIKELY ACTIVE |
| BOBeaver Oil Treatment and Recycling | Hodgkins | — | ◐ LIKELY ACTIVE |
| OCOwens-corning CORP | Summit | — | ◐ LIKELY ACTIVE |
| EOExxonmobil Oil Corporation | Cicero | — | ◇ UNVERIFIED |
| IGIcp Group | Chicago | — | ◇ UNVERIFIED |
| KIKoppers INC | Cicero | — | ◇ UNVERIFIED |
| PPPerkins Products INC | Bedford Park | — | ◇ UNVERIFIED |
| VDValvoline, Division of Ashland INC. | Willow Springs | — | ◇ UNVERIFIED |
| RLRM Lucas | Alsip | 20–99 | ◐ LIKELY ACTIVE |
| BABuilders Asphalt, LLC | Mount Prospect | — | ◐ LIKELY ACTIVE |
| HWHarry W Kuhn INC | Lemont | — | ◐ LIKELY ACTIVE |
| OAOgden Avenue Materials INC. | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| OIOrtek INC | Mccook | — | ◐ LIKELY ACTIVE |
| KHK-five Hodgkins LLC | Hodgkins | — | ◐ LIKELY ACTIVE |
| ALAccurate Logistics INC | Markham | — | ◇ UNVERIFIED |
| AAAllied Asphalt Paving CO | Franklin Park | — | ◇ UNVERIFIED |
| ASAmerican Stone Mix, INC. - Franklin Park | Franklin Park | — | ◇ UNVERIFIED |
| BBBarlett Bituminous Asphalt LLC | Lemont | — | ◇ UNVERIFIED |
| BBBartlett Bituminous Asphalt LLC | Bartlett | — | ◇ UNVERIFIED |
| BPBodie-hoover Petroleum CORP | Lemont | — | ◇ UNVERIFIED |
| BABuilders Asphalt LLC | Skokie | — | ◇ UNVERIFIED |
| BABuilders Asphalt LLC | Elk Grove Village | — | ◇ UNVERIFIED |
| BLBusse LLC | Mount Prospect | — | ◇ UNVERIFIED |
| CLCalumet Lubricants CO LP | Burnham | — | ◇ UNVERIFIED |
| CFColumbus Foods | Chicago | — | ◇ UNVERIFIED |
| DSDa Stuart CO | Chicago | — | ◇ UNVERIFIED |
| HAHeritage Asphalt, LLC | Cicero | — | ◇ UNVERIFIED |
| HWHickman Williams & CO Specialty Carbon Resources | Cicero | — | ◇ UNVERIFIED |
| HIHoughton International INC | Chicago | — | ◇ UNVERIFIED |
| ICIko Chicago INC | Bedford Park | — | ◇ UNVERIFIED |
| KCK-5 Construction CORP | Chicago | — | ◇ UNVERIFIED |
| KCK-five Construction CO | Chicago | — | ◇ UNVERIFIED |
| KCK-five Construction CORP | Lemont | — | ◇ UNVERIFIED |
| KMKoch Material CO | Chicago | — | ◇ UNVERIFIED |
| MOMarine Oil Terminal | Chicago | — | ◇ UNVERIFIED |
| NCNalco Chemical CO | Chicago | — | ◇ UNVERIFIED |
| OAOgden Avenue Materials INC | Chicago | — | ◇ UNVERIFIED |
| OCO'hare Concrete Plant | Chicago | — | ◇ UNVERIFIED |
| OPOlympic Petroleum Corporation | Cicero | — | ◇ UNVERIFIED |
