AT & T Global Switched Dgtl
13984 New Braddock Rd, Centreville, VA
(703) 830-4077
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AT & T Voice
8163 Community Dr, Manassas, VA
(703) 361-5058
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AT & T
14151 Newbrook Dr, Chantilly, VA
(703) 378-0838
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AT & T
11311 Trenton Ct, Bristow, VA
(703) 392-1071
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AT & T
11700 Sudley Manor Dr, Manassas, VA
(703) 393-7809
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Afcea International
4400 Fair Lakes Ct, Fairfax, VA
(703) 631-6100
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Alcatel Wire & Cable Incorporated
10 N Hill Dr, Warrenton, VA
(540) 347-2839
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Allen, Robert G - Allen & Harold
9300 Forest Point Cir # 152, Manassas, VA
(703) 361-2278
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Alpha Informatics Limited
8809 Sudley Rd Ste 201, Manassas, VA
(703) 392-0303
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American Registry-Intrnt Nmbrs
4506 Daly Dr, Chantilly, VA
(703) 227-9840
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American Systems Corporation
13990 Parkeast Cir, Chantilly, VA
(703) 968-6300
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American Telephone Service
, Manassas, VA
(703) 791-6110
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Ams Inc Telecommunications
12701 Fair Lakes Cir, Fairfax, VA
(703) 267-5200
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Atlantic & Pacific Telecom
8560 Virginia Meadows Dr, Manassas, VA
(703) 330-8767
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Avaya Incorporated
2250 Corporate Park Dr, Herndon, VA
(571) 203-0910
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Avaya Incorporated
5180 Parkstone Dr, Chantilly, VA
(703) 222-8895
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Bell South
14510 Lee Hwy, Centreville, VA
(703) 378-2639
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Bia Financial
15120 Enterprise Ct, Chantilly, VA
(703) 818-2425
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Bible Telecommunications
9208 Venture Ct, Manassas Park, VA
(703) 530-0106
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Capital Telephone & Security
10402 Morias Ct, Manassas, VA
(703) 330-0066
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Cat Communications
7210 Gary Rd Ste E, Manassas, VA
(703) 530-1333
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Cox Business Services
3080 Centreville Rd, Herndon, VA
(703) 378-0882
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Crown Castel USA
3169 Gaskins Ln, Catlett, VA
(540) 788-9005
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Customer Networks
4102 Pepsi Pl, Chantilly, VA
(703) 802-1501
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Data Trac Information Service
14120 Newbrook Dr, Chantilly, VA
(703) 378-6500
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Datarac Information Service
14120 Newbrook Dr Ste 200, Chantilly, VA
(703) 817-9700
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Double Eagle Communications
10281 Frosty Ct, Manassas, VA
(703) 367-9200
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Electronic Funds Transfer Association
11350 Random Hills Rd Ste 650, Fairfax, VA
(703) 435-9800
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Encore Networks
45472 Holiday Dr Ste 3, Sterling, VA
(703) 318-7750
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Falcon Communications Solutions Incorporated
7035 Skyland Dr, Warrenton, VA
(703) 335-5000
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Falcon Wireless
9017 Center St, Manassas, VA
(703) 335-1500
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Federal Services Incorporated
4500 Southgate Pl Ste 300, Chantilly, VA
(703) 631-3901
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Frack Association
12609 Fitzwater Dr, Nokesville, VA
(703) 594-3609
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General Dynamics Corporation
15000 Conference Center Dr Ste 4500, Chantilly, VA
(703) 818-5300
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H2 Telecommunications
10402 Central Park Dr, Manassas, VA
(703) 257-1130
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Help Service Incorporated
14506f Lee Rd, Chantilly, VA
(703) 378-8900
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Hoppmann Audio Visual
4170 Lafayette Center Dr, Chantilly, VA
(703) 502-4080
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Infinitel
25613 Twelve Cedars Ct, Chantilly, VA
(703) 327-3011
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Inroute Communications
14012 Sullyfield Cir Ste D, Chantilly, VA
(703) 378-8880
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Liberty Communications Incorporated
6599 Commerce Ct, Warrenton, VA
(540) 341-8777
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Magellan Telecommunications
14197 Dumfries Rd, Manassas, VA
(703) 791-7811
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Mc Leod USA
273 W Shirley Ave, Warrenton, VA
(540) 428-1078
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Micro Automation
10550 Linden Lake Plz # 2, Manassas, VA
(703) 366-3550
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Mobile 365 Incorporated
4511 Singer Ct Ste 300, Chantilly, VA
(703) 961-8300
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New Creation Ents Incorporated
14844 Maidstone Ct, Centreville, VA
(703) 802-1064
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Nrtc
2121 Cooperative Way, Herndon, VA
(703) 787-0874
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Oneyda Cleaning Svc Incorporated
138 Holden Dr, Manassas Park, VA
(703) 585-4111
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Pan AM Sat Corporation
14201 Sullyfield Cir, Chantilly, VA
(703) 818-0057
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Pinnacle Management Systems
7960 Donegan Dr Ste 200, Manassas, VA
(703) 368-5194
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Rickel, Jack A - Comex Worldwide Corporation
25213 Lightridge Farm Rd, Aldie, VA
(703) 327-1520
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Rouse's Communication Service
11721 Swarts Dr, Fairfax, VA
(703) 934-0003
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Spectrum Services Intl
8516 Custer Ct, Manassas, VA
(703) 369-4997
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Swift Technology Center
9615 Center St, Manassas, VA
(703) 365-6000
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Tele Communication Systems Incorporated
7333 Coppermine Dr, Manassas, VA
(703) 334-2030
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Telecom Sciences Incorporated
, Marshall, VA
(540) 364-4880
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Teleproductions Intl Limited
4520 Daly Dr, Chantilly, VA
(703) 222-2408
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Tellabs Operations
43954 Vendome Ct, Ashburn, VA
(703) 858-5320
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User Telecommunications & Tech
13955 Log Cabin Dr, Haymarket, VA
(571) 261-5547
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Verizon Wireless
5230 Wellington Rd, Gainesville, VA
(703) 753-2930
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Whitman, Greg - Networx
261 Manassas Dr, Manassas Park, VA
(703) 257-4987
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