AMCO to supply open-loop contactless payment technology to 33 bus operators in Greece May 25, 2022 | Company News, Europe Company News, Europe News, News AMCO has announced plans to supply its open-loop contactless payment technology to bus operators across 33 cities in Greece. The company will upgrade 2,500 validators across the cities to enable open-... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password