Here are some great examples: COMCAST XFINITY Gigabit speeds available across the country. COX GIGABLAST Super-fast gigabit internet speeds available to more customers every year. MEDIACOM 1GIG Gigabit speeds across Iowa (and beyond), making it the first to deliver a gig to an entire state. MIDCO GIG Gigabit speeds available to more than 80% of company's customers. GCI 1 GIG RED Gigabit internet to the far-flung reaches of Alaska.