| Lake Ellen Baptist Camp | Lake Ellen | 906-542-3529 |
| Lake Emily 4 Seasons Resort | 906-265-4929 | |
| Lake Mary Resort | 461 Lake Mary Rd | 906-875-6151 |
| Lakeside Cabins | Runkle Lake | 906-875-6483 |
| Lato Construction Inc. | 328 U.S. 141 | 906-875-3542 |
| Langenberg Funeral Home | 104 N. 3rd Street | 906-875-3238 |
| Law Reporter Co. | 209 Michigan Ave. | 906-875-6970 |
| Lawrence, Geoffrey (Atty) | 1363 Hwy US 2 | 906-875-4889 |
| Lesli's Headlines | 113 Wagner | 906-875-9902 |
| The Listening Inn | Clark Road | 906-822-7738 |
| Living Waters Bookstore | 321 Superior Ave. | 906-875-3883 |
| Lortie Plumbing & Heating | 44 Superior Ave. | 906-875-3859 |
| Lud Stoor Insurance Agency | 324 Crystal Ave. | 906-875-6626 |