Justin Mainzer's Contact Details

Justin Mainzer's Company Details

Granite Telecommunications

Quincy, Massachusetts, US • 2267 Employees
Telecom Services

Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market. 2018 EIS awardee. The success we have achieved to date has been the direct result of the outstanding team of people that make up our company. It is a team that is committed to satisfying customers by producing, and supporting high quality, cost effective telecommunications solutions. We gain satisfaction from exceeding our customer expectations by doing the best possible job we can, and continuously improving what we do and how we do it. Our mission is to be the leading telecommunications company wherever we offer services as well as provide an environment where the value of each individual is recognized and where each person has the opportunity to further their growth and achieve success. Granite is one of the premier telecommunications solutions providers for businesses across the United States and Canada. With unparalleled North American coverage, Granite is the leading corporate phone service provider to multi-location companies through our scalable solutions, customized to manage all your local, regional and national locations. Through long-term commercial wholesale contracts, Granite offers dial-tone, infrastructure solutions, advanced data services, broadband, and security services to our customers at significant savings. Enjoy on-line location pre-qualification, order entry, order tracking and revenue reporting along with premier account managers.