April 24, 2018

WPCS International, Inc.

April 24, 2018

West-Com & T.V., Inc.*

April 24, 2018

Walker Telecomm, Inc.*

February 11, 2019

VECA Electric & Technologies

April 24, 2018

T & R Communications*

April 24, 2018

Sprig Electric Inc.*

April 24, 2018

Smith And Sons Electric Inc.

April 24, 2018

Securecom Inc.*

April 24, 2018

SAC Valley Electric, Inc.