| Business | Phone |
| Raap Plumbing Inc 5800 Bristol Ave Nw, Comstock Park 49321 | (616) 784-1124 |
| Den Ketelaar Plumbing Inc 883 W River Center Dr Ne, Comstock Park 49321 | (616) 785-3550 |
| Doorenbos Mechanical 4639 Cordes Ave Nw, Comstock Park 49321 | (616) 784-2811 |
| Van Denberg Plumbing 6775 Scott Lake Rd Ne, Comstock Park 49321 | (616) 784-7794 |
| River City Mechanical Inc 5325 6 Mile Ct Nw, Comstock Park 49321 | (616) 785-1311 |