| Business | Phone |
| A Hartlett & Son 406 N Eastwood Dr, Woodstock 60098 | (815) 338-0109 |
| Woodstock Heating Co 725 Wicker St, Woodstock 60098 | (815) 338-0282 |
| Air Perfection Heating & Clng Woodstock 60098 | (815) 338-7626 |
| B & K Heating & Cooling 315 Highland Ave, Woodstock 60098 | (815) 337-6850 |
| United Heating & Cooling 10502 Arabian Trl, Woodstock 60098 | (815) 356-1138 |
| Sanitary Plumbing & Heating Co 14703 Honeysuckle Ln, Woodstock 60098 | (815) 338-2713 |
| Northwest Mechanical 1242 Muriel St, Woodstock 60098 | (815) 482-8158 |