| Business | Phone |
| Grumpy's Heating 6500 W 129th Ave, Cedar Lake 46303 | (219) 374-7226 |
| Knz Corp 14125 W 130th Pl, Cedar Lake 46303 | (219) 374-2779 |
| Pilot Lite Inc Cedar Lake 46303 | (219) 374-6501 |
| Transite Heating & Ac 12834 Wicker Ave, Cedar Lake 46303 | (219) 374-5383 |