| Business | Phone |
| Ctvi 2814 Avenue I, Brooklyn 11210 | (718) 252-6540 |
| Expert Communications Inc 112 Washington Ave, Brooklyn 11205 | (718) 692-1111 |
| Future Communications 7110 Fort Hamilton Pkwy, Brooklyn 11228 | (718) 748-6153 |
| A-C Communications 26 Court St, Brooklyn 11242 | (718) 858-2626 |
| Bay Communications Supply Inc 2375 E 18th St, Brooklyn 11229 | (718) 615-1935 |
| Blonder Avi Communications 2751 E 64th St, Brooklyn 11234 | (718) 253-7400 |
| Borrich Ismain 6810 5th Ave, Brooklyn 11220 | (718) 745-4800 |
| Improcom Inc 2070 E 27th St, Brooklyn 11229 | (718) 769-3400 |
| Izi Eneterprises Inc 132 Church Ave, Brooklyn 11218 | (718) 431-2002 |
| Com-Tel Comm Systems Inc 1575 56th St, Brooklyn 11219 | (718) 436-5000 |
| Comptel Communications Inc 225 Adams St, Brooklyn 11201 | (718) 875-2625 |
| Comtek 932 E 29th St, Brooklyn 11210 | (718) 436-2400 |
| Street Smart Telephones Inc 164 4th Ave, Brooklyn 11217 | (718) 855-6712 |
| Telco Discount Stores 109 Avenue U, Brooklyn 11223 | (718) 373-5300 |
| Teletech Communications 172 Classon Ave, Brooklyn 11205 | (718) 783-8383 |
| Telfonics Telecommunications 334 Foster Ave, Brooklyn 11230 | (718) 633-0804 |
| Telstar Products Inc 71 Beaver St, Brooklyn 11206 | (718) 455-4500 |
| Universal Enterprize 1274 Fulton St, Brooklyn 11216 | (718) 783-4421 |
| North Eastern Telephone Inc 1042 E 93rd St, Brooklyn 11236 | (718) 927-2020 |
| Nyc Wireless Communication 1497 Fulton St, Brooklyn 11216 | (718) 771-7050 |
| Prince Telecommunications 9312 Ditmas Ave, Brooklyn 11236 | (718) 346-6600 |