Carol Stream is a small Illinois suburb in the Chicagoland metropolitan area. It's fairly close to the O'Hare International Airport, so it's a stop-off point for those traveling to or through Chicago. With the variety of Internet companies in this region, it's easy for businesses and residential customers to find the right plan for them.
You could start your search with AT&T. Not only is AT&T one of the largest ISPs in the United States, it is one of the most widespread in the Chicagoland region. Depending on which Carol Stream neighborhood you call home, you could access AT&T's fiber optic or DSL networks. The network reaches far past Carol Stream itself to include other Chicagoland communities.
Cable is offered through multiple companies in this region. Xfinity has some of the most impressive download speeds in the Chicago area, and service is available throughout Carol Stream. WOW! is the area's other primary cable choice.