”MTS ARMENIA” CJSC 
Address:Yerevan, Argishti str.  4/1
Phone:  +374 60 771 111, +374 93 568 777
URL:  www.mts.am

“UCOM” LLC
Address:Yerevan, 9 G. Lusavorich
Phone:  +374 11 400 400
URL: www.ucom.am

“TELECOM ARMENIA” CJSC
Address:Yerevan, Azatutyan ave., 24/1
Phone: +374 10 410 410
URL: www.telecomarmenia.am