ChartCo, has taken more orders for its ChartManager service from tow major tanker fleet owners. Greek company Avin International is the third major Greek shipping company, to sign up as a ChartCo customer while ChevronTexaco Shipping Company has signed up to ChartCo’s service following successful trials on two of its vessels. Avin International, a tanker operator active in the shipment of crude oil and petroleum products, chose to install ChartManager across its entire fleet following successful trials on aboard two of its vessels, the Kriti Amethyst and Sfakia.