| Company | Category | Area | Address | Web | E-mail | Contact person |
| HSI TECHNOLOGY GROUP | Data Communications Systems-Ne | Michigan | 34832 MOUND RD, STERLING HTS, Macomb, Michigan, 48310-5765, USA |
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Dave Hutton |
| HSI TELECOM | Telephone Comm | Alabama | 161 LINDBERG AVE, ATMORE, , Alabama, 36502-3205, USA |
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| HSI TELECOM | Telecommunications Services | Alabama | 449 HIGHWAY 84 E, MONROEVILLE, Monroe, Alabama, 36460-8609, USA |
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| HSI TELECOM INC | Telecommunications Services | Alabama | 1339 S MAIN ST, ATMORE, Escambia, Alabama, 36502-2833, USA |
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| HSI TELECOM INC | Telephone Companies | Alabama | 17960 US HIGHWAY 98, FOLEY, Baldwin, Alabama, 36535-9490, USA |
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| HSI TELECOM INC | Telecommunications Services | Alabama | 1421 S MAIN ST, ATMORE, Escambia, Alabama, 36502-3509, USA |
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| HSI TELECOM INC | Telephone Comm | Alabama | 901 W NASHVILLE AVE, ATMORE, , Alabama, 36502-2201, USA |
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| HSI TELECOM INC | Telecommunications Services | Alabama | 4095 JACK SPRINGS RD, ATMORE, Escambia, Alabama, 36502-6186, USA |
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| HSI TELECOM INC | Telephone Comm | Alabama | 4095 JACK SPRINGS RD, ATMORE, , Alabama, 36502-6186, USA |
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| HSI TELECOM INC | Telephone Comm | Alabama | 325 N MAIN ST, ATMORE, , Alabama, 36502-1705, USA |
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