April 24, 2018

Walker Telecomm, Inc.*

April 24, 2018

W. Bradley Electric

February 11, 2019

VECA Electric & Technologies

April 24, 2018

T & R Communications*

April 24, 2018

Paganini Communications, Inc.*

April 24, 2018

Industrial Electronic Systems Inc.

November 19, 2018

IDT, Inc.

April 24, 2018

Fisk Electric*

February 7, 2019

Design Electric