About us
Granite is a leading communications services provider for businesses with multiple locations.
Granite provides one-stop solutions for voice, data, Internet, wireless, video and secure network options throughout the United States and Canada. Granite understands that no two businesses are run the same way, and will create a flexible communications solution tailored to each customer’s needs today and in the future. Granite’s scalability allows your business to grow with imminent demand.
Granite by the Numbers


Granite's Annual Revenue


Granite's debt


Fortune 100 customers serviced


Satisfied Corporate clients


Higher retention rate than the industry average


Served locations
Granite saves you money
Utilizing Granite eases the burden of invoice management. With Granite, you can consolidate multiple vendors and invoices under a single national supplier that provides discounted service. This one-stop-shop platform allows you to focus on other business matters.
One Company. One Bill. One Point of Contact.
Most Recent Press Updates
April 28, 2016
Granite Applauds FCC on Business Data Services Vote

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April 26, 2016
Granite Awards $1,150 Bonuses to All 1,600 Employees for Hitting Revenue Goals

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April 05, 2016
Life with Gracie: A bold step to help fight cancer

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March 31, 2016
Windham hockey team sports new hairdos

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March 31, 2016
Baker, Ireland share stories at prostate cancer awareness event

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March 29, 2016
Granite Raises $4.25 Million for Dana-Farber Cancer Institute in Saving by Shaving Event

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Frequently Asked Questions
Q How can Granite offer service on a national level when my company can't receive national service from any of the major telephone companies?
A Granite has long-term contracts with all of the major telephone and data carriers across the country. This allows us to provide a single national solution for your company's telephone and data needs.
Q Does Granite offer customized reporting?
A Yes. We offer Rock Reports, which is Granite's all-inclusive customer facing report portal. This platform allows a variety of customized reports suited to any business needs.
Q My company has hundreds of locations. I receive a variety of bills each month from multiple vendors. How does Granite handle billing?
A Granite understands that time is money and consolidates all bills at the corporate level or provides individual bills separated by location.

Contact us

  • Customer Service
  • Sales
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  • Grid Repair
  • Inside Wiring Partners
100 Newport Ave. Ext.
Quincy, MA 02171
P: 617.933.5500
F: 617.328.0312
900 Circle 75 Pkwy
Suite 450
Atlanta, GA 30339
P: 888.984.0055 x1200
F: 888.984.0050
400 S. Australian Ave.
Suite 200
West Palm Beach, FL 33401
P: 561.868.8100
F: 561.835.1327
Rhode Island
1 Albion Road
1st Floor
Lincoln, RI 02865
P: 401.334.3023
F: 401.334.3121
New York
462 Seventh Ave.
7th Floor
New York, NY 10018
P: 212.674.7166
F: 212.674.6754
4500 Ratliff Lane
Suite 108
Addison, TX 75001
P: 866.847.1500
F: 972.735.9627
555 Plainfield Rd
Suite E
Willowbrook, IL 60527
P: 866.847.1500
F: 630.323.4820