STI Independent Sales Representatives
- Northwest: Alaska, Hawaii, Idaho, W. Montana,
Oregon, Washington
- Alster
Communications
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- West: California, Arizona, Nevada
- Jack Hoffman Associates
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- East: New York, New Jersey, Eastern Pennsylvania, Deleware, Maryland, Virginia, and Washington D.C.
- B&J Communications
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- Other Regions
- Survey Technologies, Inc.
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- Product Specific Sales Channels
- Aeroflex
- Sole source provider of the STI Field Test 6 software bundle specifically for the Aeroflex 3500 and IFR 2975 radio test set. Aeroflex part number AC25081.