E1 Bulk Wholeseller – a company, which sells E1 digital transmitting products in large
quantities. Some companies after selling their E1 products provide complete technical
maintenance and support.
Persia Telecom Co. is a subsidiary of IOEC (Iranian Offshore Engineering & Construction Company) in Islamic Republic of Iran that was established in 2004.
IOEC is the 1st Iranian general contractor in the Oil & Gas industry.