Insights

Growth Opportunity Target mid-market businesses in upstate New York with bundled voice, data, cloud, and data center services as CornerStone shows strong growth and proven scalability in telecom solutions for SMBs.

Cloud and Colocation Leverage CornerStone’s cloud computing and data center offerings to upsell hybrid cloud, managed hosting, and disaster recovery services to clients seeking cost efficiency and admin control.

Hosted Voice Advantage Position hosted IP phones, digital PBXs, and mobility features to firms with dispersed teams or multiple offices, emphasizing remote productivity, centralized management, and reduced capital expenditures.

Cost Efficiency Highlight potential savings from consolidating voice and data services, as well as eliminating on-premise software licenses through CornerStone’s cloud and managed services.

Local Support Promise Emphasize strong local support and customer service as a differentiator for small to mid-sized businesses seeking reliable uptime and responsive issue resolution in the NY region.

CornerStone Telephone Company Email Formats	Example	Percentage
FLast@cstel.com	JDoe@cstel.com	100%

CornerStone Telephone Company Email Formats

Example

Percentage

FLast@cstel.com

JDoe@cstel.com

100%

Frequently Asked Questions

What is CornerStone Telephone Company's phone number?

You can contact CornerStone Telephone Company's main corporate office by phone at

+1-607-432-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CornerStone Telephone Company's official website and social media links?

CornerStone Telephone Company's official website is cstel.com and has social profiles on LinkedIn.

What is CornerStone Telephone Company's NAICS code?

CornerStone Telephone Company's NAICS code is 517 - Telecommunications.

How many employees does CornerStone Telephone Company have currently?

As of July 2026, CornerStone Telephone Company has approximately 26 employees across 1 continents, including North America. Key team members include Provisioning Manager: T. A.General Manager: J. M.Account Executive: B. C.. Explore CornerStone Telephone Company's employee directory with LeadIQ.

What industry does CornerStone Telephone Company belong to?

CornerStone Telephone Company operates in the Telecommunications industry.

What is CornerStone Telephone Company's email format?

CornerStone Telephone Company's email format typically follows the pattern of FLast@cstel.com. Find more CornerStone Telephone Company email formats with LeadIQ.

When was CornerStone Telephone Company founded?

CornerStone Telephone Company was founded in 2002.

CornerStone Telephone Company

Q: What is CornerStone Telephone Company's NAICS code?

CornerStone Telephone Company's NAICS code is 517 (Telecommunications).

TelecommunicationsNew York, United States11-50 Employees

CornerStone Telephone Company is a telecommunications provider that serves business customers with a range of voice and data services, cloud computing, data center capabilities, and hosted IP offerings. Its approach emphasizes local support as a differentiator, aiming to give clients control and visibility over their communications and IT resources while supporting growth and consolidation of services. Based in Troy, New York, the company operates within the telecom sector and targets businesses seeking scalable connectivity, remote collaboration via hosted IP phone systems and mobility features, and cost-efficient computing and data solutions. CornerStone highlights its ability to tailor configurations to meet specific client needs and to reduce capital and operating expenses through its mix of voice, data, and cloud services. The firm has received recognition for growth in the private company sector and has been noted for specific partnerships and awards within the cloud and hosted services space.

Insights

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