| Business | Phone |
| Birchwood Plumbing Htg & Ac 8920 Moeller Dr, Harbor Springs 49740 | (231) 439-1680 |
| Chuck Niersel Plumbing & Htg 6961 W Stutsmanville Rd, Harbor Springs 49740 | (231) 526-7820 |
| Brighton Graham Engineering 5414 Lower Shore Dr, Harbor Springs 49740 | (231) 347-1639 |