| Business | Phone |
| A & R Heating & Air Cond 8575 N 68th St, Milwaukee 53223 | (414) 352-3690 |
| A A Heating & Air Conditioning Milwaukee 53208 | (414) 931-0528 |
| A A Heating & Refrigeration Milwaukee 53208 | (414) 931-5204 |
| Aaron's Heating & Cooling Llc 2011 S Allis St, Milwaukee 53207 | (414) 324-7379 |
| Abil's Heating & Air Cond 2315 S Howell Ave, Milwaukee 53207 | (414) 747-0444 |
| Absolutely Heating & Air Cond 6427 W North Ave, Milwaukee 53213 | (414) 476-5640 |
| Absolutely Mechanicals Inc 2305 W Camden Rd, Milwaukee 53209 | (414) 540-5590 |
| Accurate Heating & Cooling Inc 2159 S 60th St, Milwaukee 53219 | (414) 761-9580 |
| Action Heating & Cooling Inc 1418 W Saint Paul Ave, Milwaukee 53233 | (414) 291-5400 |
| Air Comfort Systems 635 S 70th St, Milwaukee 53214 | (414) 778-1195 |
| Air Repair Heating & Cooling 5673 N 91st St, Milwaukee 53225 | (414) 327-0376 |
| Airport Heating & Air Milwaukee 53221 | (414) 282-2290 |
| Archer Heating & Air Cond Milwaukee 53210 | (414) 442-0480 |
| Bintz Heating & Air Cond 2729 W Carmen Ave, Milwaukee 53209 | (414) 463-6490 |
| Bintz Heating & Air Cond 9055 N 51st St, Milwaukee 53223 | (414) 463-6490 |
| Blue Ribbon Heating & Cooling 2420 S 69th St, Milwaukee 53219 | (414) 329-3020 |
| Certified Heating 2850 S 44th St, Milwaukee 53219 | (414) 545-3030 |
| Comfort Specialists 3669 S Taylor Ct, Milwaukee 53207 | (414) 744-3745 |
| Conditioned Air Design Inc 11104 W Becher St, Milwaukee 53227 | (414) 546-2020 |
| D & M Heating Air Conditioning 4227 S 13th St, Milwaukee 53221 | (414) 281-5350 |
| D Bergemann Heating & Air Cond 5470 N 37th St A, Milwaukee 53209 | (414) 527-0067 |
| Dwk Heating & Maintenance 6447 W County Line Rd, Milwaukee 53223 | (414) 355-7904 |
| Dykeman Family Heating & Ac 1023 E Brady St, Milwaukee 53202 | (414) 273-7500 |
| Energy Expediters 7235 W National Ave, Milwaukee 53214 | (414) 259-1665 |
| Energy Systems Hvac 5470a N 37th St, Milwaukee 53209 | (414) 527-0614 |
| Enrster Heating & Ac 567 W Fransee Ln, Milwaukee 53217 | (414) 351-4303 |
| Fire & Ice Contracting 5563 N 54th St, Milwaukee 53218 | (414) 464-4786 |
| Fuel Tronics Htg & Air Cond 3235 W Cameron Ave, Milwaukee 53209 | (414) 444-9785 |
| Gas Service & Equipment 6580 N 40th St, Milwaukee 53209 | (414) 353-2200 |
| George T Niedermeyer Inc 5117 N 32nd St, Milwaukee 53209 | (414) 462-8118 |
| Great Lakes Heating & Cooling 2656 S Clement Ave, Milwaukee 53207 | (414) 482-2838 |
| Hampton Heating & Svc Co 3922 N 78th St, Milwaukee 53222 | (414) 464-6240 |
| Heritage Heating 4919 S 35th St, Milwaukee 53221 | (414) 282-2290 |
| Hubbard's Electric Heating 3819 N 26th St, Milwaukee 53206 | (414) 449-0164 |
| Ideal Heating Svc 910 E Wahner Pl, Milwaukee 53217 | (414) 358-1771 |
| Unique Indoor Comfort Inc 3707 N Richards St, Milwaukee 53212 | (414) 963-2200 |
| A J Iverson 3953 N 76th St, Milwaukee 53222 | (414) 444-9002 |
| J W Heating & Air Cond 9710 W Juniper Ct, Milwaukee 53224 | (414) 353-9050 |
| Jimenez Heating & Air Cond 2933 S 15th Pl, Milwaukee 53215 | (414) 406-5930 |
| Joyce Heating & Air Cond Inc 5020 W Vliet St, Milwaukee 53208 | (414) 774-2446 |
| K & W Mechanical Milwaukee 53227 | (414) 328-9080 |
| Knauer Plumbing Heating Inc 2478 N Murray Ave, Milwaukee 53211 | (414) 964-4950 |
| Knight's Heating & Cooling Inc 5630 N Dexter Ave, Milwaukee 53209 | (414) 535-1161 |
| Kummer's Heating & Air Cond 6556 N 91st St, Milwaukee 53224 | (414) 358-1679 |
| Landolt Service Inc 10906 W National Ave, Milwaukee 53227 | (414) 321-7000 |
| Louis G Beese Heating & Clng 5665 N 27th St, Milwaukee 53209 | (414) 466-6080 |
| Peoples Choice Heating-Cooling 1733 E Howard Ave, Milwaukee 53207 | (414) 768-8801 |
| Madison Mechanical Inc 6501 N Hyacinth Ln, Milwaukee 53217 | (414) 352-7459 |
| Zigs Heating & Ac 2808 S 13th St, Milwaukee 53215 | (414) 807-0609 |
| Mared Mechanical Contractors 4230 W Douglas Ave, Milwaukee 53209 | (414) 536-0411 |
| Marvo Heating & Air Cond Inc 4905 N 31st St, Milwaukee 53209 | (414) 444-1991 |
| Midwest Heating Co 3801 N 35th St, Milwaukee 53216 | (414) 871-1020 |
| Miller Brothers Heating & Air Milwaukee 53211 | (414) 881-8356 |
| Usa Heating & Cooling Milwaukee 53211 | (414) 881-9824 |
| Thien Heating & Cooling Milwaukee 53207 | (414) 744-7000 |
| Milwaukee Gas Htg North Side 3017 S 13th St, Milwaukee 53215 | (414) 483-9099 |
| Minvalco 11250 W Lapham St, Milwaukee 53214 | (414) 456-0090 |
| Mireks Heating & Ac 5729 W Vliet St, Milwaukee 53208 | (414) 302-1121 |
| Mmc Heating & Cooling 3605 S 46th Pl, Milwaukee 53220 | (414) 543-4829 |
| T M Fuchs Heating & Sheet Mtl 3914 W Vliet St, Milwaukee 53208 | (414) 933-3149 |
| Efficiency Plus Heating 2159 S 60th St, Milwaukee 53219 | (414) 329-0899 |
| Steve's Power Clean & Heating 1112 S 111th St, Milwaukee 53214 | (414) 774-8760 |
| Nimmer Heating & Air Cond 6530 W Forest Home Ave, Milwaukee 53220 | (414) 543-3626 |
| North Side Coal & Oil 5205 N Ironwood Ln 103, Milwaukee 53217 | (414) 962-5600 |
| Obvd Heating & Cooling Spec 2100 S Layton Blvd, Milwaukee 53215 | (414) 975-8120 |
| Seider Heating & Air Cond Inc 8232 N Teutonia Ave, Milwaukee 53209 | (414) 354-1180 |
| Rosales Heating & Air Cond 2021 W Forest Home Ave, Milwaukee 53215 | (414) 747-7594 |
| R & T Mechanical Contractors 330 N 30th St, Milwaukee 53208 | (414) 934-8939 |
| Power Specialties Corp 10136 W Fond Du Lac Ave, Milwaukee 53224 | (414) 353-2000 |
| Pro-Tech Mechanical-Inc Milwaukee 53203 | (414) 274-3266 |