| Advanced Plumbing | 484 Hugart St Confluence, PA 15424-1016 | (814) 442-1819 |
| Advanced Plumbing & Heating | 7221 Montour st. Philadelphia, PA 19111 | (215) 745-8900 |
| Advantage Plumbing And Heating | 314 Mcknight St Gordon, PA 17936 | (570) 875-2506 |
| Advantage Plumbing And Heating | 609 Big Mine Run Rd Ashland, PA 17921-1418 | (570) 875-2506 |
| Affordable Plumbing & Heating | 48 Haven St Schuylkill Haven, PA 17972-1146 | (570) 385-3046 |
| Affordable Plumbing Co | 2111 Roberts Rd Erie, PA 16510-2379 | (814) 403-2133 |
| Air Dynamics Heating & Air Conditioning Inc | Rainbow Plaza Route 209 Brodheadsville, PA 18322 | (570) 992-1515 |
| All Source Services Group Inc. | 1104 East Pike Road Indiana, PA 15701 | (724) 465-2011 |
| All States Plumbing Professionals | 2295 Hill Church Houston Road Canonsburg, PA 15317 | (724) 746-8704 |
| All-in-one | 115 Dashem Ln Millheim, PA 16854-9609 | (814) 349-5248 |
| Allen K Johns Plumbing & Htg | 1472 Summer Hill Rd Auburn, PA 17922-9017 | (570) 754-7555 |
| Allied Mechanical & Electrical | 10671 William Penn Hwy Huntingdon, PA 16652 | (814) 643-0300 |
| Allied Mechanical & Electrical | 42 Industrial Cir Mifflintown, PA 17059-9572 | (717) 436-5151 |
| Allied Mechanical & Electrical Inc | RR 22 Henderson, PA 16652 | (814) 643-0300 |
| Allied Mechanical & Electrical LLC | 2141 Sandy Dr State College, PA 16803-2283 | (814) 238-0238 |
| Alpha & Omega | 394 Scotch Hl Hazleton, PA 18201 | (570) 636-1766 |
| Alpha-Omega Plumbing Repair | Doug St M P L Jefferson, PA 15344 | (281) 852-3322 |
| Althof George H Inc | 1526 French St Erie, PA 16501-2203 | (814) 455-0944 |
| Ameri-Tec Mechanical | 2077 Main St. Lititz, PA 17543 | (717) 625-0140 |
| America Appliance Parts | Corner of Rt. 611 & Rt. 715 Tannersville, PA 18372 | (570) 629-7001 |
| American Plumbing | 173 Carrier Rd Transfer, PA 16154-2103 | (724) 646-2831 |
| Anderson Plumbing | 1108 Hillside Rd Jamestown, PA 16134-6016 | (724) 927-6008 |
| Anderson Shortell Inc | 8 Bank St Bradford, PA 16701-1205 | (814) 362-9110 |
| Anderson's Heating And Air Conditioning Inc | 318 School St Indiana, PA 15701-2147 | (724) 465-8923 |
| Anderson's Pinnacle Plumbing | 2005 Peach St Erie, PA 16505 | (814) 835-9078 |
