Fluid Equipment Development Company, LLC | Monroe | MI | Machinery Manufacturing333914 | — | ● ACTIVE |
| GLGreat Lakes Towers LLC | Monroe | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| SSSpartan Steel Coating | Monroe | MI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| TWTailor Welded Blanks | Monroe | MI | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| BCBay Corrugated Container INC | Monroe | MI | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| DSDetroit Stoker CO | Monroe | MI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| NSNorth Star Steel CO | Monroe | MI | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| PIPremier Industries Corporation | Monroe | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NGNational Galvanizing Hs Processing LP | Monroe | MI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Advanced Heat Treat CORP | Monroe | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| CACadillac Asphalt, LLC | Monroe | MI | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMichigan Paving & Materials CO. | Monroe | MI | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PMPioneer Metal Finishing-monroe | Monroe | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CPComplete Packaging | Monroe | MI | Wood Product Manufacturing321920 | 100-499 | ◐ LIKELY ACTIVE |
| MRMonroe Rubber and Plastics INC | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ACAutomotive Components Holdings, LLC - Monroe Plant | Monroe | MI | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| BPBar Processing CORP - Monroe | Monroe | MI | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| FFrenchtown | Monroe | MI | Transportation Equipment Manufacturing336360 | 500+ | ◐ LIKELY ACTIVE |
| MEMonroe Environmental CORP | Monroe | MI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| VBVenture Brewing | Monroe | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HWHickman Williams CO | Monroe | MI | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| IMIko Monroe INC | Monroe | MI | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| LZLa Z Boy Chair CO | Monroe | MI | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| TCThoroflush CORP | Monroe | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| YGYanfeng Global Automotive - Frenchtown Plant #1/#2 | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| 2W20 W 1st | Monroe | MI | Miscellaneous Manufacturing339116 | 20-99 | ◐ LIKELY ACTIVE |
| BPBackyard Products, LLC (Corp / Monroe) | Monroe | MI | Wood Product Manufacturing321992 | 100-499 | ◐ LIKELY ACTIVE |
| FCFloral City Cider Co | Monroe | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HAHanwha Advanced Materials America LLC. Monroe | Monroe | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| KCKuhlman Corporation - Monroe MI | Monroe | MI | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| MMonroe | Monroe | MI | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| MDMonroe Division | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MPMonroe Packaging Center | Monroe | MI | Machinery Manufacturing333993 | 500+ | ◐ LIKELY ACTIVE |
| NGNational Galvanizing | Monroe | MI | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| APAmmex Plastics | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BUBauhaus USA INC | Monroe | MI | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| BFBektrom Foods | Monroe | MI | Food Manufacturing311824 | — | ◇ UNVERIFIED |
| BBBrett Buchanan | Monroe | MI | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| DPDandy Packaging Incorporated | Monroe | MI | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| EIEngland INC | Monroe | MI | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| FUFinishers Unlimited of Monroe CO | Monroe | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| FUFinishers Unltd Monroe | Monroe | MI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| HIHoppenjans, Inc. | Monroe | MI | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| IEIacono Enterprises, LLC | Monroe | MI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| IIIndustrial Inspection Company | Monroe | MI | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| JFJcim Frenchtown Plt #1 | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| JPJeff's Powder Coating & Sandblasting | Monroe | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MMMonroe Mold LLC | Monroe | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MVMoon Valley Rustics LLC | Monroe | MI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MVMoon Valley Rustics LLC | Monroe | MI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |