Company takes big step to clean up wireless carrier problems. Tucows (NASDAQ: TCX) has signed a new mobile service deal with Verizon, marking a big shift in its Ting mobile service. The company offers mobile service, high-speed internet and domain names. It is the world’s second largest domain name registrar, including its OpenSRS and Enom reseller platforms. Its mobile service is a reseller of large carriers in a relationship known as mobile virtual network operator…"Tucows signs deal with Verizon, lowers 2019 guidance"