| FAFloyd and Beasley Transfer CO | Sycamore | AL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
 Ideal Industries INC | Sycamore | IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| OCOzinga Concrete Products | Sycamore | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SOSeymour of Sycamore | Sycamore | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AMAuto Meter Products INC | Sycamore | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| DEDawn Equipment CO | Sycamore | IL | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| Ideal Industries INC | Sycamore | IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| IIIdeal Industries INC | Sycamore | IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| SRScott Rock - Sycamore Quarry | Sycamore | KS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SSSycamore Systems LLC | Sycamore | IL | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| AUAdient US LLC | Sycamore | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| APAmcor Packaging Distribution (inc.) | Sycamore | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| BBBrian Bemis World Auto | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ECEast Coast Asphalt, LLC - Sycamore Plant 027 | Sycamore | GA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GSGulf South Pole & Timber Co., Inc. | Sycamore | GA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LPLee Peck Jewelry | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LMLingis Manufacturing & Machine Co., INC. | Sycamore | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RMRiverside Marathon | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCSababa Commerce LLC | Sycamore | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SOSeymour of Sycamore INC | Sycamore | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SPSuper Pantry 02 | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCSycamore Clark | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TLTate & Lyle Solutions USA LLC | Sycamore | IL | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| TAThe Andersons INC. | Sycamore | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| WSWoodgate Shell | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ZGZubaida Gas Enterprises | Sycamore | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
