Nanoelectromechanical Systems Market. About EFJohnson Technologies. EFJohnson knows a smarter way to P25, and we are eager to share it with you. As your one-stop resource for P25, our new leadership team is completely focused on delivering the highest-quality, cost-effective mission critical communications solutions. Corporate Profile Corporate headquarters are in Irving, TXSatellite offices in Waseca, MN and Lincoln, NEApproximately 200 employees Strategic Vision & Direction In 2014, EF Johnson Technologies, Inc. was acquired by JVCKENWOOD Corporation, a global manufacturer specializing in electronics and entertainment products. Ammunition Market. Two-Factor Authentication Market. Grass Valley Home. Lumata. Lumata. Home. Semiconductor and Electronics Market Research Reports.