Security Systems

April 24, 2018

Comtel Systems Technology*

April 1, 2018

Cupertino Electric*

April 24, 2018

Decker Electric Co., Inc.*

February 7, 2019

Delucchi Electric, Inc.

February 7, 2019

Design Electric

April 24, 2018

Fisk*

November 19, 2018

GC Security Design

November 19, 2018

IDT, Inc.

April 24, 2018

Industrial Electronic Systems Inc.