| Name | Title | Contact Details |
|---|
On Call Holdings International is a Virginia Beach, VA-based company in the Telecommunications sector.
Ascendent Systems, Inc. is a San Jose, CA-based company in the Telecommunications sector.
Equity Interface is a Great Neck, NY-based company in the Telecommunications sector.
Optistreams is a Fresno, CA-based company in the Telecommunications sector.
North Pittsburgh Systems, Inc. (North Pittsburgh) is a holding company. Its subsidiaries include North Pittsburgh Telephone Company (NPTC), Penn Telecom, Inc. (PTI) and Pinnatech, Inc. (Pinnatech). NPTC is a telephone public utility. PTI was certificated