| Business | Phone |
| All Seasons Mechanical 1234 W Lincoln St, Freeport 61032 | (815) 235-2939 |
| Sturtevant Heating & Air Cond 1802 Cross Roads Ln N, Freeport 61032 | (815) 232-5668 |
| Norstar Mechanical Industries 3515 S Baileyville Rd, Freeport 61032 | (815) 232-2500 |
| Loescher Heating & Air Cond 1860 S Walnut Rd, Freeport 61032 | (815) 232-6166 |