1stel is a Texas-based company that offers phone and internet services, including data security, to businesses. They are powered by AT&T's network and are committed to meeting the needs of businesses, while also providing quality technical support. Business owners can find a range of services, such as internet, telephone, and data security, on their website. 1stel aims to be a reliable provider of internet and telephone services, ensuring businesses have the necessary connectivity and support for their operations.