I recently contracted phone and internet service for my business through Cornerstone and I have…read morebeen very happy with the service and support they provided. The phone system uses quality hardware and has a lot of functionality, and the internet service has been fast and reliable. Every Cornerstone employee I have interacted with has been friendly and knowledgeable - sales, install, and tech support. My entire experience with Cornerstone has been way better than what I encountered in the past when I was using a cable provider.

Stay far far away from Cornerstone, particularly from Ed in customer service. When my father died,…read moreI called Cornerstone to cancel his business phone lines. Cornerstone shut off the phones, but continued to bill his estate for months. Then they shut down our home phone line due to the account not being paid. I called to resolve the issue, and Ed told me, verbatim and in a snarky tone, "I can absolutely shut off your home phones!" He then insisted that we personally pay my deceased father's business line debts before we got our home phone line back. He was incredibly rude, had no interest in discussing options with a family in crisis, and to top it off, he put me on hold for an extended period of time to have a personal conversation with a girl in his office. I know this because I heard him begin the conversation before putting me on hold. I later found out we were being double billed for our internet, once from Time Warner and again from Cornerstone. I immediately switched my phones to Verizon. I suggest you stay far away from Cornerstone. I've never had less pleasant customer service experience, and I feel robbed by this corrupt company.

Switched our business internet from Deep Blue/Comcast 2 years ago to Spectrum. However, even though…read morethey can confirm that we have no active internet service, about every 6 months we get a "Past Due" bill from Comcast/Deep Blue. Have tried cancelling our business account three separate times over the past year, and after 45-60 minutes on hold with their "Center of Excellence", get told its cancelled only to get another 6 month past due notice (with no interval monthly bills).

As a customer of Deep Blue at my hotel that I manage, I can tell you that they are the most…read moreunresponsive, least adept Hotel Wifi Management company I have ever interacted with. Changing from deep blue to Thinix was one of the best decisions I have made, Deep Blue was not even able to get a landing page working at my Hotel for over 1 year. I have never once gotten a call back from support in 3 years, never once has any issue been resolved completely. Absolutely atrocious.

All phase cable gets the job done right the first time! Pat owner and operator of all phase cable…read moreis nothing short of talented, respectable, responsible, and professional! Hes done a multitude of work for me from running cable lines to installing electric baseboards and even recessed lighting! But believe me when i say there nothing this guy cant handle!

From the owner: Specializing in low voltage installation including but not limited to Cat 5 & 6 data, coax rg6 &…read more11, IT room clean ups.