Insights

Market Positioning Cornerstone Maintenance Group (CMG) operates in the facilities services industry with a focus on providing comprehensive maintenance and repair solutions across multiple industries, targeting both single-location and multi-location clients—a broad market opportunity for expanding service contracts.

Client Loyalty With a mission to deliver consistent and high-quality service, CMG emphasizes building long-term partnerships through proactive monitoring and protocol adherence, presenting an opportunity to upsell ongoing maintenance agreements.

Technology Integration The company utilizes modern technology tools like React, Bootstrap, and Clipboard.js, positioning itself as capable of adopting innovative solutions and offering digital management or reporting services that can appeal to tech-savvy clients.

Growth Potential Operating with revenue between $10 million and $25 million and employing a dedicated team of up to 200 staff, CMG has room for expansion into new markets or service lines, especially by leveraging its full-service maintenance model.

Competitor Landscape Facing stiff competition from large firms like City Wide Facility Solutions and ISS, CMG can differentiate by emphasizing personalized service, flexible solutions, and cost-effective maintenance packages tailored to diverse client needs.

Cornerstone Maintenance Group Inc. Tech Stack

Cornerstone Maintenance Group Inc. uses 8 technology products and services including Font Awesome, React, jQuery, and more. Explore Cornerstone Maintenance Group Inc.'s tech stack below.

  • Font Awesome
    Font Scripts
  • React
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Clipboard.js
    Javascript Libraries
  • SWFObject
    Miscellaneous
  • Bootstrap
    UI Frameworks
  • MediaElement.js
    Video Players
  • Jetpack
    Web Platform Extensions

Media & News

Cornerstone Maintenance Group Inc.'s Email Address Formats

Cornerstone Maintenance Group Inc. uses at least 1 format(s):
Cornerstone Maintenance Group Inc. Email FormatsExamplePercentage
First@cmgserviceinc.comJohn@cmgserviceinc.com
33%
First.Last@cmgserviceinc.comJohn.Doe@cmgserviceinc.com
17%
Last@cmgserviceinc.comDoe@cmgserviceinc.com
17%
First@cmgserviceinc.comJohn@cmgserviceinc.com
33%

Frequently Asked Questions

Where is Cornerstone Maintenance Group Inc.'s headquarters located?

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Cornerstone Maintenance Group Inc.'s main headquarters is located at 1979 Marcus ave Lake success, NY 11042 United States. The company has employees across 1 continents, including North America.

What is Cornerstone Maintenance Group Inc.'s phone number?

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You can contact Cornerstone Maintenance Group 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 Maintenance Group Inc.'s official website and social media links?

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Cornerstone Maintenance Group Inc.'s official website is cmgserviceinc.com and has social profiles on LinkedIn.

What is Cornerstone Maintenance Group Inc.'s SIC code NAICS code?

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Cornerstone Maintenance Group Inc.'s SIC code is 7349 - Building Cleaning and Maintenance Services, Not Elsewhere NAICS code is 5612 - Facilities Support Services.

How many employees does Cornerstone Maintenance Group Inc. have currently?

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As of October 2025, Cornerstone Maintenance Group Inc. has approximately 51 employees across 1 continents, including North America. Key team members include President: S. T.Owner/Operator: W. T.Managing Director: M. J.. Explore Cornerstone Maintenance Group Inc.'s employee directory with LeadIQ.

What industry does Cornerstone Maintenance Group Inc. belong to?

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Cornerstone Maintenance Group Inc. operates in the Facilities Services industry.

What technology does Cornerstone Maintenance Group Inc. use?

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Cornerstone Maintenance Group Inc.'s tech stack includes Font AwesomeReactjQueryClipboard.jsSWFObjectBootstrapMediaElement.jsJetpack.

What is Cornerstone Maintenance Group Inc.'s email format?

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Cornerstone Maintenance Group Inc.'s email format typically follows the pattern of First@cmgserviceinc.com. Find more Cornerstone Maintenance Group Inc. email formats with LeadIQ.

When was Cornerstone Maintenance Group Inc. founded?

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Cornerstone Maintenance Group Inc. was founded in 2009.

Cornerstone Maintenance Group Inc.

Facilities ServicesNew York, United States51-200 Employees

Cornerstone Maintenance Group (CMG) is a full service Facility Maintenance, Project/Facility management & general contracting company, providing clients in various industries with quality maintenance and repair services at an affordable price. Our mission is to provide exceptional service and workmanship at reasonable prices. We are your one contact source for all your maintenance and repair issues. You'll have peace of mind, knowing your facilities are maintained professionally. Consolidating all services down to one source. 

We have highly trained and skilled technicians that can handle all your repair and maintenance needs. Our mission is to provide exceptional service and workmanship at reasonable prices. We are your one contact source for all your maintenance and repair issues. You'll have peace of mind, knowing your facilities are maintained professionally. Consolidating all services down to one source.

We proactively monitor the results of our service, and continuously working to raise the bar. We seek long-term partnerships based on our commitment to providing excellence. CMG has developed protocols and procedures to ensure consistent service to every client whether they have just one location or multiple locations.

Section iconCompany Overview

Headquarters
1979 Marcus ave Lake success, NY 11042 United States
Phone number
SIC Code
7349 - Building Cleaning and Maintenance Services, Not Elsewhere
NAICS Code
5612 - Facilities Support Services
Founded
2009
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    Cornerstone Maintenance Group Inc.'s revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Cornerstone Maintenance Group Inc.'s revenue is estimated to be in the range of $10M$25M

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