| Company | Category | Area | Address | Web | E-mail | Contact person |
| A T & T | Telephone Comm | Colorado | 526 N HANCOCK AVE, COLORADO SPGS, El Paso, Colorado, 80903-3154, USA |
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| A T & T BROADBAND | Telephone Comm | Colorado | 6850 S TUCSON WAY, ENGLEWOOD, Arapahoe, Colorado, 80112-3923, USA |
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| A T & T CABLE SERVICES COLO | Cable/pay Television Service | Colorado | 1617 S ACOMA ST, DENVER, Denver, Colorado, 80223-3624, USA |
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Joe Stackhouse |
| A T & T CAPITAL CORP | Investments | Colorado | 4600 S ULSTER ST, DENVER, Arapahoe, Colorado, 80237-2848, USA |
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| A T & T CITS | Telephone Companies | Colorado | 6159 BERLIN CIR, ARVADA, Jefferson, Colorado, 80004-4920, USA |
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Jeff Kerley |
| A T & T CORP | Telephone Communications | Colorado | 1631 S JACKSON ST, DENVER, Denver, Colorado, 80210-3028, USA |
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| A T & T CORP | Telephone Communications | Colorado | 7630 S CHESTER ST, ENGLEWOOD, Arapahoe, Colorado, 80112-3434, USA |
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| A T & T CORP | Telephone Communications | Colorado | 323 AIRPORT BLVD, AURORA, Adams, Colorado, 80011-9352, USA |
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| A T & T CORP | Telephone Communications | Colorado | 323 AIRPORT BLVD, AURORA, Adams, Colorado, 80011-9352, USA |
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| A T & T GOVERNMENT SOLUTIONS | Search, Navign Eqp | Colorado | 985 SPACE CENTER DR STE 310, COLORADO SPGS, El Paso, Colorado, 80915-3632, USA |
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HAROLD HUTCHENS |
