About Detectoguard Security Systems

Andrew Killeen_customThank you for taking the time to learn more about Detectoguard. Since 1971, the Killeen family has been serving the communities of Western Massachusetts and Southern Vermont as the owners and operators of Detectoguard.

On December 29,2022, Detectoguard was acquired by Northeast Security Solutions, Inc. of West Springfield, Massachusetts. Northeast Security Solutions is another family owned Western Massachusetts based security company owned by the Condon family.

Please review our website to learn more about Detectoguard’s products, and then contact us with any questions you may have, or to request a complimentary system analysis at 413-773-7581.

You can feel secure knowing that our family has taken your safety and security to heart.


Andrew Killeen
President & 3rd Generation Family Owner

Detectoguard Security Systems

106 Wells Street
Greenfield, MA 01301