| A. J. Demor & Sons |
| Address: | 2150 Eldo Rd. Monroeville, PA 15146 |
| Phone: | (412) 242-6125 |
| Fax: | (412) 372-5818 |
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| AMB Excavating |
| Address: | 3401 Grand Ave. Pittsburgh, PA 15225 |
| Phone: | (412) 771-3711 |
| Fax: | (412) 771-3717 |
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| Bell Plumbing Services |
| Address: | 656 Forest Avenue Pittsburgh, PA 15202 |
| Phone: | (412) 734-3067 |
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| Boyum & Mox Mechanical |
| E-Mail: | boyumandmox@verizon.net |
| Address: | 3102 Trapper Drive South Park, PA 15129 |
| Phone: | (412) 758-8596 |
| Fax: | (412) 734-1942 |
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| Brubach Plumbing Co. |
| Address: | 1314 Woods Run Avenue Pittsburgh, PA 15212 |
| Phone: | (412) 761-3928 |
| Fax: | (412) 761-3332 |
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| Costa Plumbing |
| Address: | 2441 Saw Mill Run Blvd. Pittsburgh, PA 15234 |
| Phone: | (412) 885-6818 |
| Fax: | (412) 885-4608 |
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| DeFinis Mechanical |
| Address: | 520 Florence Avenue Pittsburgh, PA 15202 |
| Phone: | (412) 761-8300 |
| Fax: | (412) 761-8301 |
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| Eagle Design, Inc. |
| Address: | 436 Butler Street Pittsburgh, PA 15223 |
| Phone: | (412) 781-0119 |
| Fax: | (412) 781-2165 |
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| East West Mfg. |
| Address: | 3849 Willow Ave Castle Shannon, PA 15234 |
| Phone: | (412) 207-7385 |
| Fax: | (412) 207-7391 |
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| Enders Plbg & Htg. |
| Address: | 328 Bluff St. Kittanning, PA 16201 |
| Phone: | (724) 543-2213 |
| Fax: | (724) 545-1045 |
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| F. E. Johanssen & Son |
| Address: | 4767 Baum Blvd. Pittsburgh, PA 15213 |
| Phone: | (412) 621-3173 |
| Fax: | (412) 621-6273 |
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| Fayette Plbg Serv, Inc. |
| Address: | 668-4 Cliff Mine Rd Coraopolis, PA 15108 |
| Phone: | (724) 695-2200 |
| Fax: | (724) 695-0315 |
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| Flaherty Mechanical Cont. |
| Address: | 548 Baldwin Street Bridgeville, PA 15017 |
| Phone: | (412) 221-4252 |
| Fax: | (412) 221-4147 |
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| Gary Larkin Plumbing |
| Address: | 407 Baumer St. Pittsburgh, PA 15209 |
| Phone: | (412) 821-6599 |
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| General Contracting Serv. |
| Address: | P.O. Box 2001 Warrendale, PA 15086 |
| Phone: | (724) 776-2686 |
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| J.B. Plumbing, LLC |
| Address: | 1071 Milford Drive Bethel Park, PA 15102 |
| Phone: | (412) 341-0981 |
| Fax: | (412) 341-0527 |
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| James Carr & Sons Plbg |
| Address: | P.O. Box 10453 Mt. Lebanon, PA 15234 |
| Phone: | (724) 348-0797 |
| Fax: | (724) 348-0797 |
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| Janko Plumbing |
| Address: | 1009 Golfview Drive McKeesport, PA 15135 |
| Phone: | (412) 896-9252 |
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| John Chapman Co |
| Address: | 331 S. Main St. Washington, PA 15301 |
| Phone: | (724) 228-1900 |
| Fax: | (724) 228-4311 |
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| Limbach Co. |
| Address: | 31 – 35th Street Pittsburgh, PA 15201 |
| Phone: | (412) 359-2100 |
| Fax: | (412) 359-2248 |
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| Manion Plumbing |
| Address: | 5940 King School Rd. Bethel Park, PA 15102 |
| Phone: | (412) 831-5164 |
| Fax: | (412) 831-7112 |
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| McCarls Plumbing |
| Address: | P. O. Box 191 Beaver Falls, PA |
| Phone: | (724) 843-5660 |
| Fax: | (724) 843-3180 |
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| McKamish, Inc. |
| Address: | 50 - 55th Street Pittsburgh, PA 15201 |
| Phone: | (412) 781-6262 |
| Fax: | (412) 781-2007 |
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| McRandal Company |
| Address: | 701 Freeport Road Pittsburgh, PA 15238 |
| Phone: | (412) 820-9366 |
| Fax: | (412) 820-9368 |
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| Mele Mechanical |
| Address: | One Mele Place Rankin, PA 15104 |
| Phone: | (412) 351-1234 |
| Fax: | (412) 351-1278 |
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| North Pittsburgh Mech. |
| Address: | 1480 Freeport Rd. Mars, PA 16046 |
| Phone: | (724) 776-6110 |
| Fax: | (724) 776-4961 |
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| Pittsburgh Precision Plbg. |
| Address: | 1123 Chislett St. Pittsburgh, PA 15206 |
| Phone: | (412) 290-1866 |
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| Port Vue Plbg. Co. |
| Address: | 3716 Liberty Way McKeesport, PA 15133 |
| Phone: | (412) 673-3988 |
| Fax: | (412) 673-7934 |
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| Pro Mechanical |
| Address: | 110 Cheswick Avenue Cheswick, PA 15024 |
| Phone: | (724) 274-4048 |
| Fax: | (724) 274-5921 |
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| Ruston Plumbing Co. |
| Address: | 1263 Overdale Dr W. Homestead, PA 15120 |
| Phone: | (412) 461-5756 |
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| Ruthrauff/Sauer |
| Address: | 400 Locust St. McKees Rocks, PA 15136 |
| Phone: | (412) 771-6800 |
| Fax: | (412) 771-4222 |
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| Scalise Industries |
| Address: | P.O. Box 611 Lawrence, PA 15055 |
| Phone: | (724) 746-5400 |
| Fax: | (724) 746-5410 |
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| Sentry Mechanical |
| Address: | 1724 Leechburg Road Pittsburgh, PA 15235 |
| Phone: | (412) 795-3040 |
| Fax: | (412) 795-3204 |
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| Specialty Pool Contractors |
| Address: | 144 Lindley Lane Pittsburgh, PA 15237 |
| Phone: | (412) 364-7660 |
| Fax: | (412) 364-1325 |
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| SSM Industries |
| Address: | 3401 Grand Ave. Pittsburgh, PA 15225 |
| Phone: | (412) 771-3400 |
| Fax: | (412) 771-1118 |
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| Steimer Plumbing |
| Address: | 220 West Grant Ave. Duquesne, PA 15110 |
| Phone: | (412) 466-1010 |
| Fax: | (412) 466-2313 |
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| W. G. Tomko, Inc. |
| Address: | 2559 Rt. 88 Finleyville, PA 15332 |
| Phone: | (724) 348-2000 |
| Fax: | (724) 348-0371 |
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| Wayne Crouse, Inc. |
| Address: | 3370 Stafford Street Pittsburgh, PA 15204 |
| Phone: | (412) 771-5176 |
| Fax: | (412) 771-2357 |
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| Wheels Mechanical |
| Address: | 610 Old Clairton Rd. Pittsburgh, PA 15236 |
| Phone: | (412) 653-5118 |
| Fax: | (412) 653-7620 |