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Hatteras Networks Inc. is a Durham, NC-based company in the Telecommunications sector.
Chibardun Telephone Cooperative, Inc. is a Cameron, WI-based company in the Telecommunications sector.
Opus Communications is a Mission, KS-based company in the Telecommunications sector.
Affordable Telephone Systems is a Carrollton, CA-based company in the Telecommunications sector.
Matrix Technologies is a Herndon, VA-based company in the Telecommunications sector.