| Business | Phone |
| Dynamic Energy Solutions Po Box 2225, Kalamazoo 49003 | (269) 492-9713 |
| A & J Heating Supply 8160 Douglas Ave, Kalamazoo 49009 | (269) 383-6285 |
| Douglas Heating Supply 8160 Douglas Ave, Kalamazoo 49009 | (269) 344-6666 |
| Roto-Rooter Plumbing & Drain 5189 King Hwy, Kalamazoo 49048 | (269) 657-6660 |
| Metzger's Inc Air Cond & Htng 1802 Gull Rd, Kalamazoo 49048 | (269) 385-3562 |
| Heating & Cooling Svc 6304 Crestwood Ave, Kalamazoo 49048 | (269) 381-3421 |
| J P Heating & Air Conditioning 7142 E Michigan Ave, Kalamazoo 49048 | (269) 629-8055 |
| Dr Rooter Plumbing Kalamazoo 49007 | (269) 382-5400 |
| Airnow 2920 Business One Dr 127, Kalamazoo 49048 | (269) 349-5665 |