| Business | Phone |
| Abovenet Communications 1807 Michael Faraday Ct, Reston 20190 | (571) 262-2898 |
| Advanced Communications 11723 Karbon Hill Ct, Reston 20191 | (703) 476-8539 |
| African Communications Agency 11921 Freedom Dr, Reston 20190 | (703) 925-5927 |
| Broadwing Communications 12120 Sunset Hills Rd, Reston 20190 | (703) 435-4961 |
| Browntel Technologies 11935 Travistock Ct, Reston 20191 | (703) 264-0446 |
| Effective Communications Inc 11876 Sunrise Valley Dr 200, Reston 20191 | (703) 391-1067 |
| Geo Tel Communications Corp 11800 Sunrise Valley Dr, Reston 20191 | (703) 860-2240 |
| Growth Communications 12110 Sunset Hills Rd, Reston 20190 | (703) 715-3011 |
| Yipes Communication Inc 2100 Reston Pkwy, Reston 20191 | (703) 860-6800 |
| Yipes Communications 12347 Sunrise Valley Dr, Reston 20191 | (703) 860-4100 |
| Innovative Communication Soltn 11921 Freedom Dr, Reston 20190 | (703) 904-4377 |
| Unified Communications Intl 11921 Freedom Dr, Reston 20190 | (703) 904-4344 |
| Teleos Communications 12110 Sunset Hills Rd, Reston 20190 | (703) 715-3014 |
| Living Mind 1609 Inlet Ct, Reston 20190 | (703) 471-0918 |
| London Communications 12310 Pinecrest Rd 201, Reston 20191 | (703) 716-9200 |
| Maximus Communications 11419 Sunset Hills Rd, Reston 20190 | (703) 689-2217 |