| Business | Phone |
| Summerdale Inc 4249 Mariner Ln, Okemos 48864 | (517) 347-0252 |
| Sleep Diagnostics Of Michigan 2525 Jolly Rd 240, Okemos 48864 | (517) 381-1374 |
| Sparrow Regional Laboratories 1600 W Grand River Ave # 4, Okemos 48864 | (517) 364-7800 |
| Sparrow Radiology 1600 W Grand River Ave, Okemos 48864 | (517) 381-6885 |