Your Responsibility is Our Purpose!

Cornerstone continues our commitment to the correctional industry by investing in the future of our clients. Did you know that Cornerstone has over 10 offices—strategically located—across the United States to offer the best service and support capabilities in the industry? We are dedicated to the newest and best practices in our field. Choose a name that you can trust. Choose Cornerstone!

Call us today with your service and maintenance needs, 888-752-3228.

Find your Service Office

States starting with M

Maine

Contact: Jeremy Smith
Phone: 919.779.0006
Cell: 602.999.4950
This email address is being protected from spambots. You need JavaScript enabled to view it.

Maryland

Contact: Jeremy Smith
Phone: 919.779.0006
Cell: 602.999.4950
This email address is being protected from spambots. You need JavaScript enabled to view it.
Alarm License: 107-2037

Massachusetts

Contact: Jeremy Smith
Phone: 919.779.0006
Cell: 602.999.4950
This email address is being protected from spambots. You need JavaScript enabled to view it.

Michigan

Contact: Jeff Bauer
Phone: 920.882.8830
Cell: 920.850.4166
This email address is being protected from spambots. You need JavaScript enabled to view it.

12700 - 31 Mile Road
Washington, Michigan 48095
Office: 586-752-3200
Fax: 586-752-5270

Minnesota

Contact: Jeff Bauer
Phone: 920.882.8830
Cell: 920.850.4166
This email address is being protected from spambots. You need JavaScript enabled to view it.

Mississippi

Contact: Jerry Riggs
Phone: 256.560.4437
Cell: 256.214.0766
This email address is being protected from spambots. You need JavaScript enabled to view it.

Missouri

Contact: Brian Burleson
Phone: 256.560.4434
Cell: 210.709.9080
This email address is being protected from spambots. You need JavaScript enabled to view it.

Montana

Contact: Jeff Paulik
Phone: 920.882.8856
Cell: 920.850.3414
This email address is being protected from spambots. You need JavaScript enabled to view it.