VCL is an ISO 9001:2015, ISO 10001:2018, ISO 14001:2015, ISO 27001:2013 and ISO 45001:2018 certified communication transmission equipment and solutions manufacturer with successful installations in over 110 countries.

VCL's equipment is being currently being used by some of these prestigious reference customers (in alphabetic order) who include ABB, APTRANSCO India, AXPO Switzerland, Basin Electric Power Cooperative USA, BHEL India, Brazos Electric Power USA, Delhi Transco (NCR) India, EGAT Thailand, Electrica Transilvania Romania, ESO Bulgaria, GETCO (Gujarat Energy Transmission Corporation) India, Hanoi Power Vietnam, Larsen & Toubro India, Latvenergo Latvia, LITGRID Lithuania, Nepal Electricity Authority, NEPCO Jordan, Nova Scotia Power Inc. Canada, National Grid SA Saudi Arabia, Power Grid Corporation of India, Schneider Electric France, Siemens Indonesia, Siemens India, Siemens UAE, Sulaymaniyah Power Station Iraq, Swissgrid Switzerland, Tampa Electric Company USA, TANTRANSCO (Tamil Nadu Transmission Corporation) India, Turkish Electricity Company (TEIAS), Transelectrica Romania, EVN VietNam Electricity, Viesgo Distribución Eléctrica S.L Spain, WAPA (Western Area Power), Western Power Australia to name a few prestigious customers using VCL equipment.