| Name | Title | Contact Details |
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Sigma Networks is a San Jose, CA-based company in the Telecommunications sector.
Sabre Industries is a Alvarado, TX-based company in the Telecommunications sector.
PhoneTel Technologies, Inc. is a Cleveland, OH-based company in the Telecommunications sector.
Citizens Telephone Company is a Higginsville, MO-based company in the Telecommunications sector.
Gemini Telemanagement Systems is a Redwood City, CA-based company in the Telecommunications sector.