Tangent Communications, 945 Busse Rd, Elk Grove Village, IL 60007, US

Nortech Telecommunications is a privately held company. Its customer base includes commercial, education and various government agency accounts. With annual revenues of more than $8 million, the company is a part of Black Box Corporation, which is one of the largest providers of communication and infrastructure solutions in the world. Black Box Corporation offers Voice Over Internet Protocol, messaging, mobility, data, multimedia and wireless systems. It designs, installs and maintains wired, wireless and hybrid data infrastructure. The parent company serves over 175,000 voice and data clients throughout the world. Black Box Corporation offers nearly 110,000 voice and data networking products. It provides routers, switches and security applications, as well as digital signage, cables, cabinets and racks. The parent company maintains approximately 190 offices and has operations in more than 140 countries, including Australia, Brazil, France, Japan, New Zealand, Singapore and Spain through its subsidiaries. Black Box Corporation offers extenders and console trays under the KVM ServSwitch brand. It serves the retail, government, finance, business, health care, education and transportation sectors. The parent company s clients include GMAC Commercial Mortgage and Whirlpool Corporation. Black Box Corporation s other subsidiaries include Telecommunication Systems Management and Converged Solutions Group.