| GHGrape Harbor INC | Traverse City | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GPGraphic Packaging | Wyoming | MI | Paper Manufacturing322212 | — | ◐ LIKELY ACTIVE |
| GLGreat Lakes Bay Distillery LLC | Sterling | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GLGreat Lakes Rubber CO | Wixom | MI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| GMGreene Metal Products, INC. | Clinton Township | MI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| GPGreen Polymeric Materials, INC | Detroit | MI | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| GVGreenville Venture Partners LLC | Greenville | MI | Food Manufacturing311511 | 20-99 | ◐ LIKELY ACTIVE |
| GBGrigg Box CO | Detroit | MI | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| GRG & R Machine Tool INC | Taylor | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GAGrupo Antolin Michigan Inc-Michigan | Marlette | MI | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| GPGt Plastics INC | Oscoda | MI | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| HAH.A. Automotive Systems Inc | Troy | MI | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| HIH/a Industries INC | Sterling Heights | MI | Machinery Manufacturing333518 | 20-99 | ◐ LIKELY ACTIVE |
| HTHamlin Tool | Rochester Hills | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| HEHancock Enterprises | Taylor | MI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HIHandorn Inc. | Grand Rapids | MI | Furniture and Related Product Manufacturing337214 | 20-99 | ◐ LIKELY ACTIVE |
| HSHatch Stamping Company - Cleveland St | Chelsea | MI | Machinery Manufacturing333513 | 20-99 | ◐ LIKELY ACTIVE |
| HCHaviland Consumer Products INC | Walker | MI | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HBHaworth Big Rapids Components | Big Rapids | MI | Furniture and Related Product Manufacturing337211 | 100-499 | ◐ LIKELY ACTIVE |
| HBHaworth Big Rapids Wood | Big Rapids | MI | Furniture and Related Product Manufacturing337211 | 20-99 | ◐ LIKELY ACTIVE |
| HBH B Carbide Company | Lewiston | MI | Machinery Manufacturing333513 | 100-499 | ◐ LIKELY ACTIVE |
| HDH & D INC | Levering | MI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| HBhear.say brewing + theater | Ann Arbor | MI | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HTHeart Truss and Engineerig | Lansing | MI | Wood Product Manufacturing321213 | 100-499 | ◐ LIKELY ACTIVE |
| HDHeavy Duty Radiator LLC | Taylor | MI | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| HSHeidtman Steel Products Inc.-Bedford Tube Mill | Erie | MI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HBHeights Brewing LLC | Farmington | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HCHenrob Corporation | New Hudson | MI | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| HUHenrob US | New Hudson | MI | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| HHH & H Tool, INC | Lapeer | MI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| HHH & H Tube | Vanderbilt | MI | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| HPHighland Plastics INC | Shepherd | MI | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| HIHilco Industrial Plastics LLC | Armada Township | MI | Plastics and Rubber Products Manufacturing326121 | — | ◐ LIKELY ACTIVE |
| HTHilco Technologies | Caledonia | MI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| HTHilco Technologies | Grand Rapids | MI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| HAHirotec America | Auburn Hills | MI | Machinery Manufacturing333999 | 500+ | ◐ LIKELY ACTIVE |
| HLH & L Manufacturing | Middleville | MI | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| HLH & L Tool Company INC | Madison Heights | MI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| HFHoffmann Filter CORP | Brighton | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| HLHolland Litho Service Inc | Zeeland | MI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| HCHome City Ice | Lansing | MI | Beverage and Tobacco Product Manufacturing312113 | — | ◐ LIKELY ACTIVE |
| HBHomes Brewery LLC | Ann Arbor | MI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HBHonee Bear Canning | Lawton | MI | Food Manufacturing311421 | 100-499 | ◐ LIKELY ACTIVE |
| HIHorstman INC | Sterling Heights | MI | Transportation Equipment Manufacturing336330 | 20-99 | ◐ LIKELY ACTIVE |
| HMHot Melt Technologies INC | Rochester Hills | MI | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| HRHowmet Research Center | Whitehall | MI | Primary Metal Manufacturing331528 | — | ◐ LIKELY ACTIVE |
| HIHumanetics Innovative Solutions, INC | Farmington Hills | MI | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| HCHuron Casting, INC (blue Diamond Steel Casting) (b7013) | Pigeon | MI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| HAHydro Aluminum Metals Usa, LLC | Cassopolis | MI | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| III I Stanley Co., Inc. | Battle Creek | MI | Transportation Equipment Manufacturing336320 | 500+ | ◐ LIKELY ACTIVE |