| AEROTECH HEATING & COOLING | 574 MCCLURG RD YOUNGSTOWN, OH | (330) 758-7251 |
| AINSLEY & SON HEATING INC | 762 BEV RD YOUNGSTOWN, OH | (330) 637-9361 |
| B C HEATING & AIR CONDITIONING INC | 88 WALTON AVE YOUNGSTOWN, OH | (330) 755-7312 |
| BAUM HEATING CO | YOUNGSTOWN, OH | (330) 758-0366 |
| BOSELLA BROS CONSTR | 708 DICKSON ST YOUNGSTOWN, OH | (330) 743-1646 |
| BUDGET HEATING AND COOLING | 807 DETROIT AVE YOUNGSTOWN, OH | (330) 782-3169 |
| CENTRAL HEATING & COOLING | 5626 SOUTH AVE YOUNGSTOWN, OH | (330) 782-7100 |
| CITY HEATING SERVICE | 1619 SALT SPRINGS RD YOUNGSTOWN, OH | (330) 792-1234 |
| COMPLETE HEATING & COOLING | 434 PARKCLIFFE AVE YOUNGSTOWN, OH | (330) 782-8883 |
| DARDAS SHEET METAL CO | 5360 LINGER PL YOUNGSTOWN, OH | (330) 757-4750 |
| DORSEY GENERAL MAINTENANCE | YOUNGSTOWN, OH | (330) 744-3655 |
| EFFICIENCY SPECIALISTS INC | 2743 HIGHLAND AVE YOUNGSTOWN, OH | (330) 757-7275 |
| HEYDLE HEATING & AIR CONDITIONING INC | YOUNGSTOWN, OH | (330) 758-5945 |
| HOLLAND FURNACES-MARION HEATING CO | 14 KENMORE AVE YOUNGSTOWN, OH | (330) 744-4149 |
| KAUTZ HEATING & AIR CONDITIONING | 14 KENMORE AVE YOUNGSTOWN, OH | (330) 746-3213 |
| KITTS HEATING & AIR CONDITIONING CO INC | 289 ELM ST YOUNGSTOWN, OH | (330) 755-9242 |
| MAHONING VALLEY HEATING AND AIR CONDITIONING INC | 567 MAPLE AVE YOUNGSTOWN, OH | (330) 758-2721 |
| P & R HEATING & COOLING | YOUNGSTOWN, OH | (330) 743-8020 |
| ROBERTSON HEATING SUPPLY CO | 1290 CRESCENT ST YOUNGSTOWN, OH | (330) 743-1143 |
| SAMUELS A A SHEET METAL INC | 222 STEEL ST YOUNGSTOWN, OH | (330) 793-9326 |
| SCHULER HEATING & COOLING | 225 MCCLURG RD YOUNGSTOWN, OH | (330) 726-1614 |
| SERVICE AIR INC | YOUNGSTOWN, OH | (330) 779-0799 |
| SMALDINO'S HEATING & AIR CONDITIONING CO | 805 N HAZELWOOD AVE YOUNGSTOWN, OH | (330) 792-4418 |
| TOLSON COMFORT SYSTS | YOUNGSTOWN, OH | (330) 726-4878 |
| TRUCOMFORT INC | YOUNGSTOWN, OH | (330) 782-3334 |
| TRUCOMFORT INC HEATING & COOLING | 828 TOD AVE YOUNGSTOWN, OH | (330) 744-5103 |
| VOYTILLA GEORGE | 189 S CENTER ST YOUNGSTOWN, OH | (330) 755-9498 |