| Business | Phone |
| Acr Electric Corp 117 Cornell Dr, Commack 11725 | (631) 543-4431 |
| Acr Electric Corp 635 Commack Rd, Commack 11725 | (631) 499-6608 |
| Alloy Electrical Contracting 30 Astor Ct, Commack 11725 | (631) 543-7191 |
| Bana Electric Corp 50 Hauppauge Rd, Commack 11725 | (631) 462-0485 |
| Bernardo Electric Co 8 Terry Ln, Commack 11725 | (631) 499-6656 |
| Chris Giery Electrical Contrs Po Box 1112, Commack 11725 | (631) 373-1407 |
| Commander Electric Inc 548 Commack Rd, Commack 11725 | (631) 462-1034 |
| Crossway Electric 6 Coconut Dr, Commack 11725 | (631) 266-1900 |
| National Electrical Contrs 6080 Jericho Tpke # 318, Commack 11725 | (631) 462-0490 |
| Fallon Electric 27 Shelton Ct, Commack 11725 | (631) 473-2833 |
| F J Petrillo 61 Scholar Ln, Commack 11725 | (631) 499-2113 |
| Jag Electric Corp 61 Scholar Ln, Commack 11725 | (631) 462-3299 |
| Karl Krage Electrical Inc 8 Bluegrass Ln, Commack 11725 | (631) 462-7720 |
| Tri-County Electric 41 Tulipwood Dr, Commack 11725 | (631) 543-0126 |