| ACU MECHANICAL | ALLENTOWN, PA | (610) 820-7007 |
| ALLIED MECHANICAL SERVICES INC | 1041 N QUEBEC ST ALLENTOWN, PA | (610) 437-6161 |
| AOC II MECHANICAL | ALLENTOWN, PA | (610) 435-9909 |
| APGAR OIL CO INC | 639 E CONGRESS ST ALLENTOWN, PA | (610) 289-2040 |
| BEACH HVAC R | ALLENTOWN, PA | (610) 434-4188 |
| BRENT KINCAID HVAC | 432 W GREENLEAF ST ALLENTOWN, PA | (610) 770-7323 |
| CLIMATE SPECIALISTS | 425 BUSINESS PARK LN ALLENTOWN, PA | (610) 437-0503 |
| DEMETER'S CLIMATE CONTROL | ALLENTOWN, PA | (610) 791-9990 |
| DYNAMIC HEATING AIR CONDITIONING & REFRIGERATION | 316 N MADISON ST ALLENTOWN, PA | (610) 435-5547 |
| GABEL REYNOLD P ELECTRCL CONTRCTR | 735 LLOYD ST ALLENTOWN, PA | (610) 264-9854 |
| HANNABERY ELECTRIC | 200 SCHANTZ RD ALLENTOWN, PA | (610) 366-9400 |
| HARING JOHN ELECTRCL CONTRCTR | 3225 ABERDEEN CIR ALLENTOWN, PA | (610) 398-4995 |
| I C S HEATING & AIR CONDITIONING CO | 1732 W FAIRMONT ST ALLENTOWN, PA | (610) 432-8070 |
| JOF MECHANICAL | 944 MARCON BLVD ALLENTOWN, PA | (610) 266-1620 |
| K D & SON HEATING & AIR CONDITIONING | ALLENTOWN, PA | (610) 820-9768 |
| KINCAID BRENT HVAC | ALLENTOWN, PA | (610) 770-7323 |
| LEHIGH VALLEY HEATING SERVICE | 206 S CARLISLE ST ALLENTOWN, PA | (610) 439-1053 |
| MAITZ HOME SERVICES | 354 W SUSQUEHANNA ST ALLENTOWN, PA | (610) 797-8722 |
| MBI HVAC INC | 450 BUSINESS PARK LN ALLENTOWN, PA | (610) 821-9555 |
| PACIFIC PRIDE | 1431 W GREEN ST ALLENTOWN, PA | (610) 432-9881 |
| PEACE OF MIND MAINTENANCE | ALLENTOWN, PA | (610) 435-9909 |
| R D FUEL & HEATING | 733 N 17TH ST ALLENTOWN, PA | (610) 435-3520 |
| REICHENBACH BRUBAKER | 1313 PLYMOUTH ST ALLENTOWN, PA | (610) 434-7234 |
| S & W PLUMBING HEATING & AIR CONDITIONING | 2522 27TH ST SW ALLENTOWN, PA | (610) 797-0397 |
| SCOTT KURT REFRIGERATION-AIR CONDITIONING & HEATING | 122 W MONTGOMERY ST ALLENTOWN, PA | (610) 797-1021 |
| VALLEY AIRE | 820 N GLENWOOD ST ALLENTOWN, PA | (610) 435-5358 |
| VAN'S HEATING & COOLING | ALLENTOWN, PA | (610) 258-0613 |
| VAN'S HEATING & COOLING | ALLENTOWN, PA | (610) 866-9935 |
| WESTBURNE SUPPLY INC | 1818 GRAMMES RD ALLENTOWN, PA | (610) 798-0497 |
| ZIATYK BROTHERS INC | 814 FERNHILL LN ALLENTOWN, PA | (610) 776-1438 |