| Hamilton Ore | Iron Mountain | MI |
| Hammermill Paper | Watervliet | MI |
| Hammond Machinery Builders | Otsego | MI |
| Hammond, Standish & Company | Detroit | MI |
| Hampton Nursing Home | Bay City | MI |
| Hanchett Manufacturing | Big Rapids | MI |
| Hand Screw | Grand Rapids | MI |
| Handy High School | Bay City | MI |
| Hanna-Zabriski & Daron | Detroit | MI |
| HarbisonWalker | Ludington | MI |
| HarbisonWalker | Detroit | MI |
| Harbor Metal Treating | Benton Harbor | MI |
| Harbor Street Railway | Saint Joseph | MI |
| Hardy Salt | Manistee | MI |
| Harper Creek School | Battle Creek | MI |
| Harper Hospital | Detroit | MI |
| Harper Webber Hospital | Detroit | MI |
| Harrington Elementary | Detroit | MI |
| Harrow Spring | Kalamazoo | MI |
| Harry Hill High School | Lansing | MI |
| Harry Hill Vocational School | Lansing | MI |
| Harry Hill Vocational School | East Lansing | MI |
| Hartland High School | Hartland | MI |
| Harvey Aluminum | Adrian | MI |
| Haskelite Manufacturing | Grand Rapids | MI |
| Haslett High School | Haslett | MI |
| Haslett Middle School | Haslett | MI |
| Hastings Cabinet | Hastings | MI |
| Hastings Wool Boot | Hastings | MI |
| Hayes-Albion | Albion | MI |
| Hayes Body | Grand Rapids | MI |
| Hayes Manufacturing | Grand Rapids | MI |
| Hayes Wheel | Jackson | MI |
| Hazel Park High | Hazel Park | MI |
| Heat Treating Services Company Of America | Pontiac | MI |
| Heideman Engineering | Detroit | MI |
| Hekman Furniture | Grand Rapids | MI |
| Helen Evans | Ecorse | MI |
| Helmer Realty | Grand Rapids | MI |
| Hemlock High School | Hemlock | MI |
| Hemlock Semiconductor | Hemlock | MI |
| Henry Ford Centennial Library | Dearborn | MI |
| Henry Ford High School | Detroit | MI |
| Henry Ford Hospital | Detroit | MI |
| Henry Ford Museum | Dearborn | MI |
| Henry Richardi | Bellaire | MI |
| Herbert C. Jackson | River Rouge | MI |
| Hercules | Harbor Beach | MI |
| Herman Kiefer Hospital | Detroit | MI |
| Herpolsheimer Siding | Grand Rapids | MI |
