Insights

Broad Carrier Access CornerStone has a history as an AT&T channel partner and now supports nearly every internet carrier, signaling strong multi-carrier procurement capabilities and potential for a diversified vendor strategy.

Unified Communications Focus With experience across Cisco, HP networking, ShoreTel/Mitel, and UCaaS like RingCentral, there are cross-sell opportunities for integrated networking plus hosted communications, appealing to customers seeking consolidated vendors.

Global reach Serving customers in the US, Central America, Europe, and Asia suggests capacity for multinational deployments and support, enabling upsell to mid-market and enterprise clients with international needs.

Mid-market Growth Revenue in the mid single to low double digits and an employee base in the small-to-mid size range indicate agility for tailored SMB/SME offerings, with potential for scalable managed services and why-now network optimization deals.

Reliability and Support Emphasis on top-tier reliability and responsive troubleshooting across data, networking, and voice creates a strong value proposition for managed services, service levels, and proactive monitoring engagements.

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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 4 email formats:
CornerStone Communications Inc. Email FormatsExamplePercentage
FLast@cornerstonecomm.netJDoe@cornerstonecomm.net
65%
First.Last@cornerstonecomm.netJohn.Doe@cornerstonecomm.net
15%
First@cornerstonecomm.netJohn@cornerstonecomm.net
10%
Last@cornerstonecomm.netDoe@cornerstonecomm.net
10%

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 September 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 September 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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