| CICentral Indiana Ethanol, LLC | Marion | IN | Chemical Manufacturing325120 | 100-499 | ● ACTIVE |
| AIAgricor INC | Marion | IN | Food Manufacturing311211 | 20-99 | ● ACTIVE |
Atlas Foundry Company INC | Marion | IN | Primary Metal Manufacturing331511 | — | ● ACTIVE |
Hummingbird Customs LLC | Marion | IN | Printing and Related Support Activities323113 | — | ● ACTIVE |
L & L Press, INC | Marion | IN | Printing and Related Support Activities323111 | — | ● ACTIVE |
Marvel Labs INC | Marion | IN | Chemical Manufacturing325520 | — | ● ACTIVE |
National Machinery & Conveyor, INC | Marion | IN | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
The Collins Group, INC. | Marion | IN | Textile Product Mills314999 | — | ● ACTIVE |
| GCGeneral Cable Industries, INC. | Marion | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| HIHuhtamaki INC | Marion | IN | Paper Manufacturing322215 | 100-499 | ◐ LIKELY ACTIVE |
| HKHartson Kennedy Cabinet Top Company INC | Marion | IN | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| BBBahr Brothers Manufacturing, INC. | Marion | IN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CECV East LLC - CVE | Marion | IN | Food Manufacturing311812 | 500+ | ◐ LIKELY ACTIVE |
| GMGeneral Motors Marion Stamping | Marion | IN | Fabricated Metal Product Manufacturing332116 | 500+ | ◐ LIKELY ACTIVE |
| WMWiley Metal Fabricating INC | Marion | IN | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Marion | IN | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AAAmcast Automotive Corporation | Marion | IN | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| CICambridge Industries | Marion | IN | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| MSMarion Steel Fabrication Incorporated | Marion | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OMOzark Materials, LLC | Marion | IN | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TAT and J Plating INC | Marion | IN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TMThomson Multimedia INC. | Marion | IN | Computer and Electronic Product Manufacturing334411 | — | ◇ UNVERIFIED |
| TFTree Free Plastic Lumber Yard LLC | Marion | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DVDowning Vineyard and Winery, LLC | Marion | IN | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
Indiana Oxygen Company-Marion | Marion | IN | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| MMarion | Marion | IN | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| MIMarion I.S. Services | Marion | IN | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| PMPeerless Machine & Tool Corporation | Marion | IN | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| PPPioneer Packaging Company LLC - Marion | Marion | IN | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| PCPrysmian Cables and Systems USA, LLC Marion | Marion | IN | Electrical Equipment, Appliance & Component Manufacturing335929 | 100-499 | ◐ LIKELY ACTIVE |
| RMReElement Marion Facility | Marion | IN | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| IIImi Indiana LLC | Marion | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLein Corporation | Marion | IN | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PHPhillips Holdings LLC | Marion | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PPPrime Pvc | Marion | IN | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| QCQuaker Chemical Corportion | Marion | IN | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| TFTjr Fabrication LLC | Marion | IN | Paper Manufacturing322214 | — | ◇ UNVERIFIED |