| Business | Phone |
| A-1 Central Vacuum 5518 Chapmans Rd, Allentown 18104 | (610) 366-7371 |
| A-Electric Allentown 18104 | (610) 395-4263 |
| Ace Electric 813 N 4th St, Allentown 18102 | (610) 782-0275 |
| Andrews Electrical Contracting 2263 Irma Dr, Allentown 18109 | (610) 264-7687 |
| B & B Electrical Contractors 1111 N 19th St, Allentown 18104 | (610) 432-9560 |
| B & M Electric 205 S 16th St, Allentown 18102 | (610) 776-1025 |
| Barry J Hoffman Co 213 N 14th St, Allentown 18102 | (610) 437-2507 |
| Bealer Electric 48 Mertz Ln, Allentown 18104 | (610) 395-8631 |
| Bollinger Electric Inc 514 N Madison St # 528, Allentown 18102 | (610) 437-4763 |
| C W & Sons Electric Heating Allentown 18102 | (610) 435-0689 |
| Cummings Electric Allentown 18102 | (610) 434-5400 |
| Darby Electric 1101 W Hamilton St, Allentown 18101 | (610) 433-9343 |
| Diefenderfer Telecommunication 116 S 2nd St, Allentown 18102 | (610) 434-9595 |
| Dms Electrical Po Box 94, Allentown 18105 | (610) 709-9778 |
| East Side Electric 623 E Hamilton St, Allentown 18109 | (610) 434-9399 |
| Electric Pro Inc Allentown 18101 | (610) 782-0775 |
| Encompass Electrical Tech 7584 Morris Ct # 230, Allentown 18106 | (610) 398-3663 |
| Frederick Electric 1754 Chapel Ave, Allentown 18103 | (610) 797-2195 |
| Frederick Electric 2937 S Pike Ave, Allentown 18103 | (215) 797-2195 |
| General Electric 1461 N 40th St, Allentown 18104 | (610) 530-2175 |
| General Electric Engineer Svc 6199 Palomino Dr, Allentown 18106 | (610) 336-9823 |
| Hamilton Design/Electric Inc 1725 E Susquehanna St, Allentown 18103 | (610) 798-4770 |
| Hannaberry Electric 200 Schantz Rd, Allentown 18104 | (610) 366-2151 |
| Horizon East Ltd Allentown 18103 | (610) 791-2353 |
| Hower Electric 2835 Suncrest Dr, Allentown 18104 | (610) 395-3043 |
| J & F Electric 1550 W Chew St, Allentown 18102 | (610) 842-3675 |
| J Haring Electric 3225 Aberdeen Cir, Allentown 18104 | (610) 398-4995 |
| Jim Lahanas Electric Inc 1115 N Godfrey St, Allentown 18109 | (610) 821-5844 |
| Kauffman Electric 2309 S 5th St, Allentown 18103 | (610) 797-4240 |
| Knight Electric Inc 100 Ramapo Trl, Allentown 18104 | (610) 351-6036 |
| Lehigh Valley Electric Inc 1871 Brookhaven Dr E, Allentown 18103 | (610) 434-0508 |
| Lombardo & Lipe Electric 3311 Airport Rd, Allentown 18109 | (610) 266-0814 |
| Lowry Electric Inc Allentown 18101 | (610) 782-2500 |
| Meisner Electric Inc 958 N Penn St, Allentown 18102 | (610) 770-1007 |
| William E Kiefer Electrical 2705 W Highland St, Allentown 18104 | (610) 439-0391 |
| Shafnisky Electric 1232 S 9th St, Allentown 18103 | (610) 435-2237 |
| Standard Electric Inc 1413 W Linden St, Allentown 18102 | (610) 437-4857 |
| Stephen G Skoutelas Electric 2838 Tupelo St, Allentown 18103 | (610) 797-8368 |
| Thomas L Hoffman Inc 635 Westminster St, Allentown 18109 | (610) 433-5887 |
| R J Skelding Co 840 N Dauphin St, Allentown 18109 | (610) 437-6605 |
| R P Gabel Electric 735 Lloyd St, Allentown 18109 | (610) 264-9854 |
| Robert O Keiper Electric Svc 1620 N 18th St, Allentown 18104 | (610) 437-0687 |
| Ron Isaac Electrical Contr 2154 Huckleberry Rd, Allentown 18104 | (610) 433-8829 |
| Schrantz Industrial Eltrcns 13 W Tilghman St, Allentown 18102 | (610) 435-8255 |
| Seneca Allentown 18104 | (610) 252-7280 |