Insights

Legacy AT&T Partner CornerStone has a long-standing history in telecom as an early AT&T channel partner and broad experience with major carriers, positioning them to upsell advanced carrier-grade data and voice services to customers seeking reliable, multi-carrier solutions.

UCaaS Maturity With experience deploying UCaaS including RingCentral since 2017, there is an opportunity to expand to additional UCaaS platforms, offer unified communications optimization, and bundle collaboration tools with networking services.

Global Coverage Serving customers across the US, Central America, Europe, and Asia suggests potential for multinational or multi-region connectivity projects, managed SD-WAN, and cross-border support agreements.

Midmarket Focus Revenue in the low hundreds of thousands to multi-million range and a lean staff indicate a target of small to mid-sized enterprises that need flexible, cost-effective data, voice, and network integration with fast support response.

Full-stack Capabilities Offering data, networking, and communication solutions from Cisco, various UCaaS platforms, and multiple internet carriers positions CornerStone to propose integrated managed services, network diagnostics, and proactive monitoring as recurring revenue opportunities.

Similar companies to CornerStone Communications Inc.

CornerStone Communications Inc. Tech Stack

CornerStone Communications Inc. uses 8 technology products and services including Open Graph, WordPress, Network Solutions, and more. Explore CornerStone Communications Inc.'s tech stack below.

  • Open Graph
    Content Management System
  • Content Management System
  • Network Solutions
    Domain Name Services
  • E-commerce
  • Font Awesome
    Font Scripts
  • Really Simple Discovery
    Miscellaneous
  • Jetpack
    Web Platform Extensions
  • Sitelinks Search Box
    Web Tools And Plugins

CornerStone Communications Inc.'s Email Address Formats

CornerStone Communications Inc. uses at least 3 email formats:
CornerStone Communications Inc. Email FormatsExamplePercentage
FLast@cornerstonecomm.netJDoe@cornerstonecomm.net
55%
First.Last@cornerstonecomm.netJohn.Doe@cornerstonecomm.net
36%
First@cornerstonecomm.netJohn@cornerstonecomm.net
9%

Frequently Asked Questions

What is CornerStone Communications Inc.'s phone number?

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You can contact CornerStone Communications Inc.'s main corporate office by phone at . 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 Communications Inc.'s official website and social media links?

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CornerStone Communications Inc.'s official website is cornerstonecomm.net and has social profiles on LinkedIn.

How much revenue does CornerStone Communications Inc. generate?

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As of November 2026, CornerStone Communications Inc.'s annual revenue is estimated to be $1M - $10M.

What is CornerStone Communications Inc.'s SIC code and NAICS code?

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CornerStone Communications Inc.'s SIC code is 4812 - Radiotelephone Communications and NAICS code is 517 - Telecommunications.

How many employees does CornerStone Communications Inc. have currently?

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As of November 2026, CornerStone Communications Inc. has approximately 11 employees across 1 continents, including North America. Key team members include President: C. S., Owner: R. A. and Director Of Operations: A. D. Explore CornerStone Communications Inc.'s employee directory with LeadIQ.

What industry does CornerStone Communications Inc. belong to?

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CornerStone Communications Inc. operates in the Telecommunications industry.

What technology does CornerStone Communications Inc. use?

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CornerStone Communications Inc.'s tech stack includes Open Graph, WordPress, Network Solutions, Shopify, Font Awesome, Really Simple Discovery, Jetpack and Sitelinks Search Box.

What is CornerStone Communications Inc.'s email format?

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CornerStone Communications Inc.'s email format typically follows the pattern of FLast@cornerstonecomm.net. Find more CornerStone Communications Inc. email formats with LeadIQ.

When was CornerStone Communications Inc. founded?

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CornerStone Communications Inc. was founded in 1998.
CornerStone Communications Inc. logo

CornerStone Communications Inc.

TelecommunicationsWisconsin, United States11-50 Employees

CornerStone Communications Inc. is a telecommunications company based in Big Bend, Wisconsin, founded in May 1998. It began as one of the first AT&T channel partners and has since grown into a small to mid-sized firm that supports a broad range of internet carriers.

Over time, CornerStone broadened its offerings to include networking equipment support starting in 2002, then ShoreTel/Mitel premise phone systems in 2007, and UCaaS solutions such as RingCentral in 2017. It serves customers across the US, Central America, Europe, and Asia, prioritizing reliability in data, networking, and communications. The company collaborates with major carrier brands and UCaaS providers to meet data, voice, and connectivity needs.

Section iconCompany Overview

Phone number
SIC Code
4812 - Radiotelephone Communications
NAICS Code
517 - Telecommunications
Founded
1998
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    CornerStone Communications Inc.'s revenue is estimated to be in the range of $1M - $10M

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