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OPEX Communications is a Elk Grove Village, IL-based company in the Telecommunications sector.
We also utilize Signaling System 7 (SS7) which puts the information required to set up and manage telephone calls in a separate network rather than within the same network that the telephone call is being made on. By doing this, it allows more efficiency
COMMSERV is a Houston, TX-based company in the Telecommunications sector.
Amtec is a Boca Raton, FL-based company in the Telecommunications sector.
Communications Plus West Coast Cabling is a Santee, CA-based company in the Telecommunications sector.