Making Alabama Business Fiber Fast.
Speeds up to 1Gbps.
Data speeds up to 1Gbps provide Alabama businesses with the highest industry standards for uptime and reliability.
To date, we've laid over 12,500 miles of high-speed fiber - and counting.
We've been consistently recognized as a top ranked Internet Service Provider. (Emphasis on Service.)
"C Spire is #1 for the speed and reliability."
That's according to Castle Properties owner Mark Castleberry, and Mark would never steer you wrong. See how C Spire helps him and other business professionals do what they do best.


Gigabit speeds. Best in class uptime. Dedicated 100% local support. With us, it's not about technology for technology's sake. It's about helping your business run like a well-oiled machine and keeping you at your absolute best.

Fiber Fast Speeds
to harness cloud applications and rich multimedia

Reliable Performance
that meets the highest industry standard with 99.99% uptime

Advance Security
with fully managed Security As A Service technology

Customer Inspired
with 100% local support teams that deliver unmatched service
We love Alabama. Alabama loves us. Here's why.

We Give You 100% Local Support
If problems ever arise, you'll always know there's good people close by. All our award-winning teams and business support centers are located right here, near you. It's good business. And a good feeling.

We're Moving The Region Forward
The mid-South isn't just our market. It's our home. We've made it part of our mission to lift this region to a position of true technological leadership. That means settling for nothing but best-in-class wireless, IT and fiber solutions.

We Believe In Mid-South Business
We're honored that Alabama businesses of all shapes and sizes rely on us for high speed, highly redundant connectivity. We've placed over 12,500 miles of fiber, and we're adding more each month. Why? Because we believe there's a bright future here. And we're working to make it even brighter.