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| BEVERLY HEATING & COOLING | WASHINGTON, PA | (724) 228-9200 |
| CLUTTER HEATING & AIR CONDITIONING | 336 E MAIDEN ST WASHINGTON, PA | (724) 229-0261 |
| GROSS INDUSTRIAL CONSTRUCTION CO | RR 5 WASHINGTON, PA | (724) 222-7454 |
| HOUSTON CHAS JR | 21 ARCHERY CLUB LN WASHINGTON, PA | (724) 222-7533 |
| KINGSTON BROS HEATING CO | 85 MCELREE RD WASHINGTON, PA | (724) 222-3265 |
| MCKEAN PLUMBING & HEATING | 468 W CHESTNUT ST WASHINGTON, PA | (724) 225-6260 |
| MYZAK MECHANICAL SYSTEMS | WASHINGTON, PA | (724) 223-0789 |
| ROBERTSON HEATING SUPPLY CO | 84 STEWART AVE WASHINGTON, PA | (724) 222-6720 |
| SNOKE HEATING & AIR CONDITIONING | WASHINGTON, PA | (724) 222-8121 |
| THERMO TWIN INDUSTRIES INC | WASHINGTON, PA | (724) 222-6655 |
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