| Business | Phone |
| Adams Well Drilling Inc 5893 Sterling Dr, Howell 48843 | (517) 545-7517 |
| Bob Cain Well Drilling 6624 Preston Rd, Howell 48855 | (517) 548-2210 |
| Brown Drilling Co 7215 E Highland Rd, Howell 48843 | (517) 546-0600 |
| Patrick Kluesner Well Drilling 4205 Musson Rd, Howell 48855 | (517) 546-0027 |
| Keller Well Drilling Inc 5615 Chilson Rd, Howell 48843 | (810) 227-2550 |