| ACAfton Chemical Corporation | Sauget | 100–499 | ● ACTIVE |
Gallagher Materials CORP. | Thornton | 1–19 | ● ACTIVE |
Daubert Chemical Company, INC. | Chicago | — | ● ACTIVE |
Growmark, INC. | Bloomington | — | ● ACTIVE |
| MAMat Asphalt LLC | Chicago | 1–19 | ● ACTIVE |
Radco Industries INC | Batavia | — | ● ACTIVE |
Tower Metalworking Fluids CO. | Chicago | 20–99 | ● ACTIVE |
Advanced Lubrication INC | Kankakee | — | ● ACTIVE |
Bioblend Renewable Resources, LLC | Park Ridge | — | ● ACTIVE |
Iroquois Paving CORP | Watseka | — | ● ACTIVE |
Keller-heartt Company, INC. | Chicago | — | ● ACTIVE |
Modern Spartan Industries, CORP. | Algonquin | — | ● ACTIVE |
Rdl Marketing INC. | Chicago | — | ● ACTIVE |
Rooter's American Maintenance INC | Beckemeyer | — | ● ACTIVE |
Schaeffer Mfg. CO. | Du Quoin | — | ● ACTIVE |
Spartamax Defense, INC. | Rockford | — | ● ACTIVE |
| SLSyn-tech LTD | Addison | — | ● ACTIVE |
Triarii Advisors, LLC | Chicago | — | ● ACTIVE |
Unisource-energy, LLC | Naperville | — | ● ACTIVE |
United Fuel CO | Urbana | — | ● 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 |
| IMIko Midwest INC | Kankakee | 100–499 | ◐ LIKELY ACTIVE |
| KMKarnak Midwest LLC | Broadview | 20–99 | ◐ LIKELY ACTIVE |
| BOBeaver Oil Treatment and Recycling | Hodgkins | — | ◐ LIKELY ACTIVE |
| CPCitgo Petroleum CORP | Romeoville | — | ◐ LIKELY ACTIVE |
| EOExxonmobil Oil Corporation | Channahon | — | ◐ LIKELY ACTIVE |
| OROpen Road Asphalt CO LLC | Urbana | 1–19 | ◐ LIKELY ACTIVE |
| P6Phillips 66 Company | Hartford | — | ◐ LIKELY ACTIVE |
| P6Phillips 66 Company | Roxana | — | ◐ LIKELY ACTIVE |
| RCRain Cii Carbon LLC | Robinson | — | ◐ LIKELY ACTIVE |
| RRRobinson Refining Logistics LLC | Robinson | — | ◐ LIKELY ACTIVE |
| RVRock Valley Oil & Chemical CO | Rockford | — | ◐ LIKELY ACTIVE |
| GEGateway Energy & Coke CO LLC | Granite City | — | ◐ LIKELY ACTIVE |
| OCOwens-corning CORP | Summit | — | ◐ LIKELY ACTIVE |
| WMWr Meadows INC | Hampshire | — | ◐ LIKELY ACTIVE |
| EIEmulsicoat, INC. | Urbana | — | ◇ UNVERIFIED |
| EOExxonmobil Oil Corporation | Cicero | — | ◇ UNVERIFIED |
| IGIcp Group | Chicago | — | ◇ UNVERIFIED |
| KIKoppers INC | Cicero | — | ◇ UNVERIFIED |
| OMOxbow Midwest Calcining LLC | Lemont | — | ◇ UNVERIFIED |
| PPPerkins Products INC | Bedford Park | — | ◇ UNVERIFIED |
| RIRock Island Lubricants CORP INC | Rock Island | — | ◇ UNVERIFIED |
| TSTri State Asphalt LLC. | Morris | — | ◇ UNVERIFIED |
| VDValvoline, Division of Ashland INC. | Willow Springs | — | ◇ UNVERIFIED |
Comet Supply INC | Washington | — | ◐ LIKELY ACTIVE |
| RLRM Lucas | Alsip | 20–99 | ◐ LIKELY ACTIVE |
| BPBp Products North America, INC. | Wood River | — | ◐ LIKELY ACTIVE |
| BABuilders Asphalt, LLC | Mount Prospect | — | ◐ LIKELY ACTIVE |