| Business | Phone |
| A C Systems Inc 1200 Somerset Ln, Jefferson City 65101 | (573) 638-0474 |
| Advance Comfort Systems 704 Walsh St, Jefferson City 65101 | (573) 659-9111 |
| Balkenbush Mechanical Co 2312 E Mccarty St, Jefferson City 65101 | (573) 634-8763 |
| Bateman Heating & Cooling 813 Clark Ave, Jefferson City 65101 | (573) 635-0964 |
| Bemboom Heating & Cooling 2704 Cedarwood Ct, Jefferson City 65109 | (573) 257-1773 |
| Centech Heating & Cooling 4316 Route Cc, Jefferson City 65109 | (573) 635-8248 |
| Herb Haaf Heating & Cooling 601 Mulberry St, Jefferson City 65101 | (573) 659-8377 |
| Jim's Heating & Cooling Inc 813 Jefferson St, Jefferson City 65101 | (573) 635-0520 |
| K L Adam Heating & Cooling Jefferson City 65101 | (573) 634-1414 |
| Kempker Heating & Ac 1001 Osage Bend Rd, Jefferson City 65101 | (573) 496-2985 |
| Kenny Hoelscher Specialized 358 S Rock Creek Rd, Jefferson City 65101 | (573) 636-3355 |
| Universal Comfort Systems 5324 Algoa Rd, Jefferson City 65101 | (573) 636-8373 |
| Rademan Heating & Air Cond 5226 Bald Hill Rd, Jefferson City 65101 | (573) 395-4948 |