| Company | Category | Area | Address | Web | E-mail | Contact person |
| ADTANGO COMMUNICATIONS CO | Communication Services | Virginia | 11717 OLD BAYBERRY LN, RESTON, Fairfax, Virginia, 20194-1516, USA |
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Michael Donlan |
| ADTECH LLC | Consulting | Virginia | 25474 CHAMBERS DR, CHANTILLY, Loudoun, Virginia, 20152-3975, USA |
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Gopinath Karunakaran |
| ADTECH SYSTEMS INC | Computers-System Designers & C | Virginia | 1501 LEE HWY STE 304, ARLINGTON, Arlington, Virginia, 22209-1109, USA |
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Rudy Hall |
| ADTEK ENGINEERS INC | Engineers-Structural | Virginia | 3251 OLD LEE HWY STE 405, FAIRFAX, Fairfax City, Virginia, 22030-1504, USA |
www.adtekengineers.com |
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Mahendra Shah |
| ADTEL | Business Services | Virginia | PO BOX 1426, ASHBURN, Loudoun, Virginia, 20146-1426, USA |
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George Long |
| ADTRAN | Communication Services | Virginia | 202 PRIMROSE CT SW, LEESBURG, Loudoun, Virginia, 20175-2520, USA |
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Jeff Harrison |
| ADTRAN | Electrical Work | Virginia | 1175 HERNDON PKWY, HERNDON, Fairfax, Virginia, 20170-5550, USA |
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| ADTRAN INC | Data Communications Equip/Syst | Virginia | 202 PRIMROSE CT SW, LEESBURG, Loudoun, Virginia, 20175-2520, USA |
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Jeff Harrison |
| ADTRAN INC | Computer Svs Nec | Virginia | 13001 ROCKRIDGE RD, CHESTER, Chesterfield, Virginia, 23831-4655, USA |
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BILL WISEGARVER |
| ADTRAN INC | Computer Svs Nec | Virginia | 13001 ROCKRIDGE RD, CHESTER, Chesterfield, Virginia, 23831-4655, USA |
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BILL WISEGARVER |
