| KVKelley Vault Co/classic Granite | Champaign | IL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| KVKelley Vault CO INC | Urbana | IL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| KIKennametal INC | Elk Grove Village | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| KHKh Huppert CO | South Holland | IL | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| KCKingston Cleaners | Homewood | IL | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| KIKone INC | Coal Valley | IL | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| KCKrack CORP | Addison | IL | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| LALafarge Aggregates Il INC | Cave in Rock | IL | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| LELakewood Engineering & Mfg CO | Chicago | IL | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| LGLakin General CORP - Roller Division | Chicago | IL | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| LCLockformer Company | Lisle | IL | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| MTMachine Tool Builders INC | Machesney Park | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| MIMartin Industries INC | Washington Park | IL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MCMiddleby Cooking System | Elgin | IL | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| NMNacco Materials Handling Group INC | Danville | IL | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| NPNagle Pumps INC | Chicago Heights | IL | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| NWNalco Water Pretreatment Solutions LLC | Glenwood | IL | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| NINavistar INC | Melrose Park | IL | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| NCNorthwestern CORP | Morris | IL | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| OTOdm Tool & Manufacturing CO | Mccook | IL | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| OPOlmarc Packaging CO | Franklin Park | IL | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| OGOverton Gear CORP | Addison | IL | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| PIPamarco INC | Batavia | IL | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| PLPelstar LLC | Bridgeview | IL | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| PMP&h Manufacturing | Shelbyville | IL | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| PFPiranha Fabrication | Rockford | IL | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| PIPrater Industries INC | Bolingbrook | IL | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| PRPrecise Rotary Die INC | Schiller Park | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| PDPrecision Dormer LLC | Crystal Lake | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| PBProbat Burns | Vernon Hills | IL | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| QDQuantum Design INC | Caledonia | IL | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| QFQuincy Farm Products - Illinois - Quincy | Quincy | IL | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| RCRegal Cutting Tools Div Yg-1 CO LTD | South Beloit | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| RBRexam Beverage Can CO | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| RSRr Street & CO INC | Chicago | IL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| SISarcol INC | Chicago | IL | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| SSauer-danfoss | Lasalle | IL | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| SSSchindlers Service & Logistics Center | Niles | IL | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| SJScully Jones CORP | Chicago | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
 Sewer Equipment CO of America | Chadwick | IL | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| SRSgs Refrigeration, INC. | Dixon | IL | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
 Siemens Industry | Elgin | IL | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| SESmith, E M | Peoria | IL | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| SPSommer Products CO | Peoria | IL | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| SDStreator Dependable Mfg INC | Streator | IL | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| SRSturtevant Richmont Dv Ryeson CORP | Franklin Park | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| SMSumitomo Machinery CORP of America | Glendale Heights | IL | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| SISuntec Industries INC | Rockford | IL | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| STSwenson Technology INC | Harvey | IL | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| TMTci Mfg | Walnut | IL | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
