Berk-Tek has been a manufacturer of network copper and fiber optic cable products. The company is a manufacturer of fiber optic and copper cables designed to transport high-speed data, voice and power transmissions.

Black Box Corporation is a technology solutions provider dedicated to helping customers build, manage, optimize, and secure their IT infrastructure. Black Box delivers high-value products and services through its global presence and 3,500 team members. Black Box Network Services remains focused on delivering high-quality products and solutions with an unyielding commitment to technical support and service.

Optellios’ Fiber Patrol® division produces advanced fibre-optic intrusion detection and alarm management solutions, capable of accurately identifying and locating an intrusion to within a few feet for perimeters exceeding 10 miles in length, with the industry’s first intrusion sensor system that keeps working even if the sensor cable is cut.